/*
ÀÌ ¼Ò½º ÆÄÀÏÀº WinApiÀÇ ÀÚ¹Ù °­Á¿¡¼­ ÀÛ¼ºÇÑ ¿¹Á¦µéÀÔ´Ï´Ù.
°¢ ¿¹Á¦º°·Î ÁÖ¼® 󸮵Ǿî ÀÖÀ¸¹Ç·Î ÁÖ¼® ½ÃÀÛ À§Ä¡¿¡ /¸¦ Çϳª ´õ »ðÀÔÇÏ¿©
ÁÖ¼®À» Ǭ ÈÄ ½ÇÇàÇØ º¸½Ã¸é µË´Ï´Ù.
*/

/////////////////////////////////////////////////////////////////////
//1Àå. ÀÚ¹Ù

/* ù ¹ø° ¿¹Á¦
public class JavaExam {
	public static void main(String[] args) {
		System.out.println("Java Example Program");
	}
}
//*/

/* print¿Í println
class JavaExam {
	public static void main(String args[]) {
		System.out.println("One");
		System.out.println("Two");
		System.out.print("One");
		System.out.print("Two");
	}
}
//*/

/* ¿©·¯ °³ÀÇ º¯¼ö ÇѲ¨¹ø¿¡ Ãâ·ÂÇϱâ
class JavaExam {
	public static void main(String args[]) {
		int i = 123;
		double d = 3.14;
		String str = "¹®ÀÚ¿­";
		System.out.println("i = " + i + ", d = " + d + ", str = " + str);
	}
}
//*/

/* printf
class JavaExam {
	public static void main(String args[]) {
		int i = 123;
		double d = 3.14;
		String str = "¹®ÀÚ¿­";
		System.out.printf("i = %d, d = %f, str = %s\n", i, d, str);
		System.out.printf("i = %3$d, d = %2$f, str = %1$s\n", str, d, i, d);
		System.out.printf("__%5d__%-5d__%05d__%8.2f__\n", i, i, i, d);
	}
}
//*/

/* ¹®ÀÚ ´ÜÀ§ ÀÔ·Â - ¹ÙÀÌÆ® ½ºÆ®¸²À̶ó ÇѱÛÀº ¾ÈµÊ
import java.io.*;
class JavaExam {
	public static void main(String args[]) {
		int name;
		System.out.println("À̸§À» ÀÔ·ÂÇÑ ÈÄ Enter¸¦ ´©¸£½Ã¿À(³¡³¾ ¶§´Â Ctrl+Z).");
		for (;;) {
			try {
				name = System.in.read();
				if (name == -1) break;
				System.out.print((char)name);
			}
			catch (IOException e) {
				System.out.println("input error");
			}
		}
		System.out.println("ÀԷ¿Ϸá");
	}
}
//*/

/* ¹®ÀÚ ´ÜÀ§ ÀÔ·Â - Çѱ۵µ °¡´É
import java.io.*;
class JavaExam {
	public static void main(String args[]) {
		int name;
		System.out.println("À̸§À» ÀÔ·ÂÇÑ ÈÄ Enter¸¦ ´©¸£½Ã¿À(³¡³¾ ¶§´Â Ctrl+Z).");
		InputStreamReader r = new InputStreamReader(System.in);
		for (;;) {
			try {
				name = r.read();
				if (name == -1) break;
				System.out.print((char)name);
			}
			catch (java.io.IOException e) {
				System.out.println("input error");
			}
		}
		System.out.println("ÀԷ¿Ϸá");
	}
}
//*/

/* ÁÙ ´ÜÀ§ ÀÔ·Â
import java.io.*;
class JavaExam {
	public static void main(String args[]) {
		InputStreamReader r = new InputStreamReader(System.in);
		BufferedReader b = new BufferedReader(r);
		try {
			String str = b.readLine();
			System.out.println(str);
			System.out.println("ÀԷ¿Ϸá");
		}
		catch (IOException e) {
			System.out.println("input error");
		}
	}
}
//*/

/* Á¤¼ö¸¦ ÀԷ¹޾Ƽ­ 2¹èÇÏ¿© Ãâ·ÂÇϱâ
import java.io.*;
class JavaExam {
	public static void main(String args[]) {
		System.out.print("Á¤¼ö¸¦ ÀÔ·ÂÇϽÿÀ : ");
		InputStreamReader r = new InputStreamReader(System.in);
		BufferedReader b = new BufferedReader(r);
		try {
			String str = b.readLine();
			int i = Integer.parseInt(str);
			System.out.println("ÀԷ°ªÀÇ 2¹è = " + i*2);
		}
		catch (IOException e) {
			System.out.println("input error");
		}
	}
}
//*/

/////////////////////////////////////////////////////////////////////
//2Àå. ±âº» ¹®¹ý

/* º¯¼ö ¼±¾ð ¹× ´ëÀÔ
class JavaExam {
	public static void main(String args[]) {
		int value;
		value = 1234;
		System.out.println(value);
	}
}
//*/

/* ºÎµ¿ ¼Ò¼öÁ¡ÀÇ ¿ÀÂ÷
class JavaExam {
	public static void main(String args[]) {
		float f = 0f;
		
		for (int i = 0; i < 1000; i++) {
			f += 0.1f;
		}
		System.out.println(f);
	}
}
//*/

/* ÁøÀ§Çü º¯¼ö
class JavaExam {
	public static void main(String args[]) {
		int a = 3;
		boolean b = (a == 3);
		if (b) {
			System.out.println("a°¡ 3ÀÌ´Ù.");
		}
	}
}
//*/

/* ¹®ÀÚÇü º¯¼ö
class JavaExam {
	public static void main(String args[]) {
		char ch = 'ÇÑ';
		System.out.println(ch);
		//short s = ch;
		int i = ch;
	}
}
//*/

/* ¹®ÀÚ¿­ º¯¼ö
class JavaExam {
	public static void main(String args[]) {
		String str = "¾Æ¸§´Ù¿î À̶¥¿¡ ±Ý¼ö°­»ê¿¡\n" +
			"´Ü±º ÇҾƹöÁö°¡ \"ÅÍ\"ÀâÀ¸½Ã°í";
		for (int i = 0; i < str.length(); i++) {
			System.out.print(str.charAt(i));
		}
	}
}
//*/

/* ¹è¿­ ¼±¾ð ¹× »ç¿ë
class JavaExam {
	public static void main(String args[]) {
		int[] ar;
		ar = new int[10];
		for (int i =0;i<5;i++) {
			ar[i]=i*2;
			System.out.println(ar[i]);
		}
	}
}
//*/

/* ¹è¿­ ÃʱâÈ­
class JavaExam {
	public static void main(String args[]) {
		int[] ar = { 8, 9, 0, 6, 2 };
		//for (int i =0;i<5;i++) {
		for (int i =0;i<ar.length;i++) {
			System.out.println(ar[i]);
		}
	}
}
//*/

/* ¹è¿­ ÀçÃʱâÈ­
class JavaExam {
	public static void main(String args[]) {
		int[] ar = { 8, 9, 0, 6, 2 };
		ar = new int[] { 9, 1, 7, 6, 0, 0, 4, 0, 5, 1 };
		for (int i =0;i<ar.length;i++) {
			System.out.println(ar[i]);
		}
	}
}
//*/

/* 2Â÷¿ø ¹è¿­ ÃʱâÈ­
class JavaExam {
	public static void main(String args[]) {
		int[][] ar = { 
			{ 77, 56, 70, 82},
			{ 99, 96, 89, 88},
			{ 81, 69, 62, 80}
		};
		for (int student = 0;student < ar.length; student++) {
			for (int subject = 0;subject < ar[0].length;subject++) {
				System.out.print(ar[student][subject] + " ");
			}
			System.out.println("");
		}
	}
}
//*/

/* Ragged ¹è¿­
class JavaExam {
	public static void main(String args[]) {
		int[][] ar;
		ar = new int[3][];
		
		ar[0] = new int[3];
		ar[1] = new int[2];
		ar[2] = new int[4];

		for (int i =0;i < ar.length;i++) {
			System.out.println(ar[i].length);
		}
	}
}
//*/

/* Á¶°Ç¹®
class JavaExam {
	public static void main(String args[]) {
		int age = 21;
		if (age >= 19) {
			System.out.println("´ç½ÅÀº ¼ºÀÎÀÔ´Ï´Ù.");
		} else {
			System.out.println("¾ÖµéÀº °¡¶ó.");
		}
	}
}
//*/

/* for¹®À¸·Î ÇÕ°è ±¸Çϱâ
class JavaExam {
	public static void main(String args[]) {
		int sum = 0;
		for (int i = 1; i <= 100; i++){
			sum += i;
		}
		System.out.println(sum);
	}
}
//*/

/* ¿øÁÖÀ² ±¸Çϱâ
class JavaExam {
	public static void main(String args[]) {
		double pie=0;
		int mother;
		double sign=1.0;
		for (mother=1;mother < 1000000;mother+=2) {
			pie += (1.0/mother)*sign;
			sign = -sign;
		}
		pie *= 4;
		System.out.println("pie = " + pie);
	}
}
//*/

/* for¹®ÀÇ Á¦¾î º¯¼ö - ¿¡·¯ 󸮵Ê
class JavaExam {
	public static void main(String args[]) {
		int i = 10;
		for (int i = 0; i <= 5; i++) {
			System.out.println("·çÇÁ ½ÇÇàÁß");
		}
		System.out.println("i = " + i);
	}
}
//*/

/* µÎ °³ÀÇ Á¦¾î º¯¼ö
class JavaExam {
	public static void main(String args[]) {
		for (int i = 0, j = 1; i < 5; i++, j += 2){
			System.out.printf("i = %d, j = %d\n", i, j);
		}
	}
}
//*/

/* ¹è¿­ ¼øȸ
class JavaExam {
	public static void main(String args[]) {
		int[] ar = { 8, 9, 0, 6, 2 };
		for (int i : ar) {
			System.out.println(i);
		}
	}
}
//*/

/* while ¹®À¸·Î ÇÕ°è ±¸Çϱâ
class JavaExam {
	public static void main(String args[]) {
		int sum = 0;
		int i = 1;
		while (i <= 100) {
			sum += i;
			i++;
		}
		System.out.println(sum);
	}
}
//*/

/* do while ¹®À¸·Î ÇÕ°è ±¸Çϱâ
class JavaExam {
	public static void main(String args[]) {
		int sum = 0;
		int i = 1;
		do {
			sum += i;
			i++;
		} while (i <= 100);
		System.out.println(sum);
	}
}
//*/

/* ¹«ÇÑ ·çÇÁ¿Í break·Î ÃÖ¼Ò °ø¹è¼ö ã±â
class JavaExam {
	public static void main(String args[]) {
		int a = 6;
		int b = 8;
		
		int k = 1;
		for (;;) {
			if (k % a == 0 && k % b == 0) {
				break;
			}
			k++;
		}
		System.out.printf("%d¿Í %dÀÇ ÃÖ¼Ò °ø¹è¼ö = %d", a, b, k);
	}
}
//*/

/* ÀÌÁß ·çÇÁ Å»Ãâ
class JavaExam {
	public static void main(String args[]) {
		outer:
		for (int i = 0; i < 3 ; i++) {
			for (int j = 0; j < 3; j++) {
				if (i == 1 && j == 1)
					break outer;
				System.out.println("i = " + i + ", j = " + j);
			}
		}
	}
}
//*/

/* switch ¹®
class JavaExam {
	public static void main(String args[]) {
		int num = 3;
		switch (num) {
		case 1:
			System.out.println("Çϳª");
			break;
		case 2:
			System.out.println("µÑ");
			break;
		case 3:
			System.out.println("¼Â");
			break;
		case 4:
			System.out.println("³Ý");
			break;
		case 5:
			System.out.println("´Ù¼¸");
			break;
		default:
			System.out.println("±× ¿ÜÀÇ ¼ýÀÚ");
			break;
		}
	}
}
//*/

/* »çÄ¢ ¿¬»ê
class JavaExam {
	public static void main(String args[]) {
		int a = 4, b = 3;
		System.out.printf("%d + %d = %d\n", a, b, a + b);
		System.out.printf("%d - %d = %d\n", a, b, a - b);
		System.out.printf("%d * %d = %d\n", a, b, a * b);
		System.out.printf("%d / %d = %d\n", a, b, a / b);
		System.out.printf("%d / %d = %f\n", a, b, (double)a / b);
		System.out.printf("%d %% %d = %d\n", a, b, a % b);
		System.out.printf("%f %% %f = %f\n", 5.0, 2.3, 5.0 % 2.3);
	}
}
//*/

/* ¹®ÀÚ¿­ ¿¬°á
class JavaExam {
	public static void main(String args[]) {
		System.out.println(12 + 34);
		System.out.println("miss" + "kim");
		System.out.println("miss" + 12);
		System.out.println(12 + "miss");
		System.out.println("miss" + 12 + 34);
		System.out.println(12 + 34 + "miss");
		System.out.println("" + 12 + 34 + "miss");
	}
}
//*/

/* »ïÇ× Á¶°Ç ¿¬»êÀÚ
class JavaExam {
	public static void main(String args[]) {
		int a = -3;
		int absa = (a > 0 ? a:-a);
		System.out.println(absa);
		System.out.println(a == 3 ? 3:"3ÀÌ ¾Æ´Ô");
	}
}
//*/

/* Áõ°¡ ¿¬»êÀÚ
class JavaExam {
	public static void main(String args[]) {
		int a = 3;
		System.out.println(a++);
		System.out.println(++a);
	}
}
//*/

/* ºñ±³ ¿¬»êÀÚ¿Í ³í¸® ¿¬»êÀÚ
class JavaExam {
	public static void main(String args[]) {
		int a = 1, b = 2;
		if (a == 1 && b == 2) {
			System.out.println("OK1");
		}
		if (a != 1 || b == 3) {
			System.out.println("OK2");
		}
		if (a > 1 && b == 2) {
			System.out.println("OK3");
		}
	}
}
//*/



/////////////////////////////////////////////////////////////////////
//3Àå.Ŭ·¡½º

/* Car Ŭ·¡½º
class Car {
	String Name;
	String Color;
	boolean Gasoline;
	
	void Run() {
		if (Gasoline) {
			System.out.println("ºÎ¸ª ºÎ¸ª");
		} else {
			System.out.println("´úÄÈ ´úÄÈ");
		}
	}
	void Stop() {
		System.out.println("³¢ÀÌÀÍ");
	}
}

class JavaExam {
	public static void main(String args[]) {
		Car Pride = new Car();
		Pride.Name = "ÇÁ¶óÀ̵å";
		Pride.Color = "ÆĶû";
		Pride.Gasoline = true;
		
		Pride.Run();
		Pride.Stop();
	}
}
//*/

/* ¸Þ¼Òµå ¿À¹ö·Îµù
class Adder {
	static int Add(int a, int b) { return a + b; }
	static int Add(int a, int b, int c) { return a + b + c; }
	static double Add(double a, double b) { return a + b; }
	//long Add(int a, int b) { return (long)(a + b); }
}

class JavaExam {
	public static void main(String args[]) {
		System.out.println(Adder.Add(1,2));
		System.out.println(Adder.Add(1,2,3));
		System.out.println(Adder.Add(1.2,3.4));
	}
}
//*/

/* °¡º¯Àμö
class Adder {
	static int Add(int ... a) {
		int sum = 0;
		for (int i=0;i<a.length;i++) {
			sum += a[i];
		}
		//for (int i : a) {
		//	sum += i;
		//}
		return sum;
	}
}

class JavaExam {
	public static void main(String args[]) {
		System.out.println(Adder.Add(1,2));
		System.out.println(Adder.Add(1,2,3));
		System.out.println(Adder.Add(4,5,6));
	}
}
//*/

/* °ª°ú ÂüÁ¶
class Car {
	String Name;
}

class JavaExam {
	public static void main(String args[]) {
		int Value = 1;
		int Value2 = Value;
		Value2 = 2;
		System.out.println(Value);
		
		Car Pride = new Car();
		Pride.Name = "ÇÁ¶óÀ̵å";
		Car Pride2 = Pride;
		Pride2.Name = "À÷³×½Ç¼ö";
		System.out.println(Pride.Name);
	}
}
//*/

/* °ª¿¡ ÀÇÇÑ Àü´Þ
class JavaExam {
	public static void main(String args[]) {
		int Value = 1;
		System.out.println(Value);
		method(Value);
		System.out.println(Value);
	}
	static void method(int Value) {
		Value = 2;
	}
}
//*/

/* ÂüÁ¶ÇüÀÇ Àü´Þ
class Car {
	String Name;
}

class JavaExam {
	public static void main(String args[]) {
		Car Pride = new Car();
		Pride.Name = "ÇÁ¶óÀ̵å";
		System.out.println(Pride.Name);
		method(Pride);
		System.out.println(Pride.Name);
	}
	static void method(Car aCar) {
		aCar.Name = "À÷³×½Ç¼ö";
	}
}
//*/

/* ¹®ÀÚ¿­ °ª Àü´Þ
class JavaExam {
	public static void main(String args[]) {
		String str = "abc";
		System.out.println(str);
		method(str);
		System.out.println(str);
	}
	static void method(String str) {
		str = "def";
	}
}
//*/

/* ¹®ÀÚ¿­ ÂüÁ¶ Àü´Þ
class JavaExam {
	public static void main(String args[]) {
		String str = "abc";
		System.out.println(str);
		str = method(str);
		System.out.println(str);
	}
	static String method(String str) {
		str = "def";
		return str;
	}
}
//*/

/* ÃʱâÈ­ ºí·Ï
class Sales {
	int[] table;
	{
		table = new int[10];
		for (int i = 0; i < table.length; i++) {
			table[i] = i*2;
		}
	}
}

class JavaExam {
	public static void main(String args[]) {
		Sales sales = new Sales();
		System.out.println(sales.table[2]);
	}
}
//*/

/* »ý¼ºÀÚ
class Car {
	String Name;
	String Color;
	boolean Gasoline;
	
	Car(String aName, String aColor, boolean aGasoline) {
		Name = aName;
		Color = aColor;
		Gasoline = aGasoline;
	}

	//Car(String Name, String Color, boolean Gasoline) {
	//	this.Name = Name;
	//	this.Color = Color;
	//	this.Gasoline = Gasoline;
	//}
	
	void Run() {
		if (Gasoline) {
			System.out.println("ºÎ¸ª ºÎ¸ª");
		} else {
			System.out.println("´úÄÈ ´úÄÈ");
		}
	}
	void Stop() {
		System.out.println("³¢ÀÌÀÍ");
	}
}

class JavaExam {
	public static void main(String args[]) {
		Car Pride = new Car("ÇÁ¶óÀ̵å", "ÆĶû", true);
		
		Pride.Run();
		Pride.Stop();
	}
}
//*/

/* »ý¼ºÀÚ ¿À¹ö·Îµù
class Car {
	String Name = "¸ð¸§";
	String Color = "Èò»ö";
	boolean Gasoline = true;

	Car(String aName) {
		Name = aName;
	}
	
	Car(String aName, String aColor, boolean aGasoline) {
		this(aName);
		Color = aColor;
		Gasoline = aGasoline;
	}
	
	void Run() {
		if (Gasoline) {
			System.out.println("ºÎ¸ª ºÎ¸ª");
		} else {
			System.out.println("´úÄÈ ´úÄÈ");
		}
	}
	void Stop() {
		System.out.println("³¢ÀÌÀÍ");
	}
}

class JavaExam {
	public static void main(String args[]) {
		Car Pride = new Car("ÇÁ¶óÀ̵å", "ÆĶû", true);
		Car Avante = new Car("¾Æ¹æ¶¼");
		
		Pride.Run();
		Pride.Stop();
	}
}
//*/

/* µðÆúÆ® »ý¼ºÀÚ
class Car {
	String Name = "¸ð¸§";
	String Color = "Èò»ö";
	boolean Gasoline = true;

	void Run() {
		if (Gasoline) {
			System.out.println("ºÎ¸ª ºÎ¸ª");
		} else {
			System.out.println("´úÄÈ ´úÄÈ");
		}
	}
	void Stop() {
		System.out.println("³¢ÀÌÀÍ");
	}
}

class JavaExam {
	public static void main(String args[]) {
		Car Pride = new Car();

		Pride.Run();
		Pride.Stop();
	}
}
//*/

/* finalizie
class Network {
	Network() {
		System.out.println("³×Æ®¿öÅ©¿¡ ¿¬°áÇÑ´Ù.");
	}
	public void finalize() {
		System.out.println("¿¬°áÀ» ²÷´Â´Ù.");
	}
}

class JavaExam {
	public static void main(String args[]) {
		Network N = new Network();
		N.finalize();
	}
}
//*/

/* ¾×¼¼½º ÁöÁ¤ÀÚ
class Car {
	public String Name;
	protected String Color;
	boolean Gasoline;
	private int ModelYear;

	public void Internal() {
		Name = "¿¡²á¾²";
		Color = "±Ý»ö";
		Gasoline = true;
		ModelYear = 2009;
	}
	
	public int GetModelYear() {
		return ModelYear;
	}
	public void SetModelYear(int aModelYear) {
		if (aModelYear > 2000) {
			ModelYear = aModelYear;
		}
	}
}

class JavaExam {
	public static void main(String args[]) {
		Car Pride = new Car();
		Pride.Name = "ÇÁ¶óÀ̵å";
		Pride.Color = "ÆĶû";
		Pride.Gasoline = true;
		//Pride.ModelYear=2005;
		Pride.SetModelYear(2005);
		System.out.println(Pride.GetModelYear());
	}
}
//*/

/* Á¤Àû Çʵå
class Car {
	String Name;
	static int CarNum = 0;
	Car(String aName) {
		Name = aName;
		CarNum++;
	}
}

class JavaExam {
	public static void main(String args[]) {
		Car Pride = new Car("ÇÁ¶ûÀÌ");
		Car Matis = new Car("¸¶ÆÃÀÌ");
		Car Carnival = new Car("´Ï¹ßÀÌ");
		System.out.println("Â÷ " + Car.CarNum + "´ë ±¸ÀÔÇß´Ù.");
	}
}
//*/

/* Á¤Àû ÃʱâÈ­ ºí·Ï
class Sales {
	static int[] table;
	static {
		table = new int[10];
		for (int i = 0; i < table.length; i++) {
			table[i] = i*2;
		}
	}
}

class JavaExam {
	public static void main(String args[]) {
		Sales sales = new Sales();
		System.out.println(Sales.table[2]);
	}
}
//*/

/* Á¤Àû ¸Þ¼Òµå
class Hello {
	static void Morning() {
		System.out.println("ÁÁÀº ¾Æħ");
	}
	static void Lunch() {
		System.out.println("Á¡½É ¸Ô¾ú¾î?");
	}
	static void Evening() {
		System.out.println("¼ú ÇÑÀÜ ¾î¶§");
	}
}
class JavaExam {
	public static void main(String args[]) {
		Hello.Morning();
		Hello.Lunch();
		Hello.Evening();
	}
}
//*/

/* Á¤Àû Çʵå¿Í Á¤Àû ¸Þ¼Òµå
class Statistics {
	static int[] Info;
	double ratio = 1.5;
	static {
		Info = new int[10];
		Info[0] = 1415;
		Info[1] = 9265;
		Info[2] = 3589;
	}
	static int GetAverage() {
		int sum = 0;
		for (int i : Info) {
			sum += i;
		}
		//sum *= ratio;
		return sum/Info.length;
	}
	double GetSomeValue(double input) {
		return input * ratio * GetAverage();
	}
}
class JavaExam {
	public static void main(String args[]) {
		System.out.println(Statistics.GetAverage());
		Statistics S = new Statistics();
		System.out.println(S.GetSomeValue(3));
	}
}
//*/

/* »ó¼ö Çʵå
class Circle {
	static final double PIE = 3.14159265;
	double Radius;
	Circle(double aRadius) {
		Radius = aRadius;
	}
	
	double GetCircum() { return 2*Radius*PIE; }
	double GetArea() { return Radius*Radius*PIE; }
}
class JavaExam {
	public static void main(String args[]) {
		Circle C = new Circle(3);
		System.out.println("¿øÁÖ = " + C.GetCircum());
		System.out.println("¸éÀû = " + C.GetArea());
	}
}
//*/

/* »ý¼ºÀÚ¿¡¼­ ÃʱâÈ­ÇÏ´Â »ó¼ö Çʵå
class NoteBook {
	final String CPU;
	int Memory;
	int HDD;
	
	NoteBook(String aCPU, int aMemory, int aHDD) {
		CPU = aCPU;
		Memory = aMemory;
		HDD = aHDD;
	}
	
	void UpgradeMemory(int aMemory, int aHDD) {
		Memory = aMemory;
		HDD = aHDD;
		// CPU = "Super Strong 8 Core 4.5GHz";
	}
	
	void OutSpec() {
		System.out.printf("CPU = %S, Memory = %d, HDD= %d\n", CPU, Memory, HDD);
	}
}

class JavaExam {
	public static void main(String args[]) {
		NoteBook Sens = new NoteBook("Intel Q9000", 3, 500);
		NoteBook XNote = new NoteBook("AMD Sampron", 2, 320);
		Sens.OutSpec();
		XNote.OutSpec();
		Sens.UpgradeMemory(8,750);
		Sens.OutSpec();
	}
}
//*/

/* ¿­°ÅÇü
enum Race {
	TERRAN, ZERG, PROTOSS
}

class JavaExam {
	public static void main(String args[]) {
		Race MyTeam;
		// Race MyTeam = new Race(TERRAN);
		MyTeam = Race.ZERG;
		// MyTeam = 1;
		// int i = (int)MyTeam;
		System.out.println(MyTeam);
		
		for (Race R : Race.values()) {
			System.out.print(R+" ");
		}
		System.out.println("");
		
		Race YourTeam = Race.valueOf("PROTOSS");
		System.out.println(YourTeam);
	}
}
//*/

/* ¿­°ÅÇü¿¡ ´Ù¸¥ ŸÀÔÀÇ °ª ¿¬°áÇϱâ
enum Race {
	TERRAN("Å׶õ"), ZERG("Àú±×"), PROTOSS("ÇÁ·ÎÅ佺");
	final private String HanRace;
	Race(String Han) {
		HanRace = Han;
	}
	String getHanName() {
		return HanRace;
	}
}
class JavaExam {
	public static void main(String args[]) {
		Race MyTeam;
		MyTeam = Race.ZERG;
		System.out.println(MyTeam.getHanName());
	}
}
//*/

/* Àڹ٠ŸÀÔ ¿­°ÅÇü
enum JavaType {
	SHORT("ªÀº Á¤¼öÇü",2), INT("Á¤¼öÇü",4),DOUBLE("½Ç¼öÇü",8);
	final private String TypeName;
	final private int Length;
	JavaType(String Name, int Byte) {
		TypeName = Name;
		Length = Byte;
	}
	String getName() { return TypeName; }
	int getLength() { return Length; }
}

class JavaExam {
	public static void main(String args[]) {
		JavaType Type;
		Type = JavaType.INT;
		
		System.out.println("ŸÀÔ : " + Type + ", À̸§ : " + 
			Type.getName() + ", ±æÀÌ : " + Type.getLength());
	}
}
//*/

/* »ó¼Ó
class Car {
	public String Name;
	protected String Color;
	boolean Gasoline;
	
	Car(String aName, String aColor, boolean aGasoline) {
		Name = aName;
		Color = aColor;
		Gasoline = aGasoline;
	}

	void Run() {
		if (Gasoline) {
			System.out.println("ºÎ¸ª ºÎ¸ª");
		} else {
			System.out.println("´úÄÈ ´úÄÈ");
		}
	}
	void Stop() {
		System.out.println("³¢ÀÌÀÍ");
	}
}

class Truck extends Car {
	int Ton;
	Truck(String aName, String aColor, boolean aGasoline, int aTon) {
		super(aName,aColor,aGasoline);
		//ÀϺΠ¸â¹ö¸¦ ¼öÁ¤ °¡´É
		//super(aName,aColor,false);
		Ton = aTon;
	}
	void Run() {
		//½´ÆÛ Å¬·¡½ºÀÇ ¸Þ¼Òµå È£Ãâ. ²À óÀ½ÀÌ ¾Æ´Ï¾îµµ »ó°ü¾øÀ½
		//super.Run();
		System.out.println("¿ì´çÅÁ ÄôÅÁ");
	}
	void Convey() {
		System.out.println("ÁüÀ» ½Ç¾î ³ª¸¥´Ù.");
	}
}

class JavaExam {
	public static void main(String args[]) {
		Truck Porter = new Truck("Æ÷ÅÍ", "Èò»ö", false, 1000);
		Porter.Run();
		Porter.Convey();
	}
}
//*/

/* ºÎ¸ð´Â ÀÚ½ÄÀ» °¡¸®Å²´Ù.
class Car {
	public String Name;
	protected String Color;
	boolean Gasoline;
	
	Car(String aName, String aColor, boolean aGasoline) {
		Name = aName;
		Color = aColor;
		Gasoline = aGasoline;
	}

	void Run() {
		if (Gasoline) {
			System.out.println("ºÎ¸ª ºÎ¸ª");
		} else {
			System.out.println("´úÄÈ ´úÄÈ");
		}
	}
	void Stop() {
		System.out.println("³¢ÀÌÀÍ");
	}
}

class Truck extends Car {
	int Ton;
	Truck(String aName, String aColor, boolean aGasoline, int aTon) {
		super(aName,aColor,aGasoline);
		Ton = aTon;
	}
	void Run() {
		System.out.println("¿ì´çÅÁ ÄôÅÁ");
	}
	void Convey() {
		System.out.println("ÁüÀ» ½Ç¾î ³ª¸¥´Ù.");
	}
}

class JavaExam {
	public static void main(String args[]) {
		Car MyCar = new Car("Á¦³×½Ã½º", "»¡°­", true);
		Car YourCar = new Truck("ºÀ°í", "ÆĶû", true, 1500);

		MyCar.Run();
		YourCar.Run();
		//YourCar.Convey();

		//Truck MyTruck = new Car("Á¦³×½Ã½º", "»¡°­", true);
		//MyTruck.Run();
		//MyTruck.Stop();
		//MyTruck.Convey();
	}
}
//*/

/* ´ÙÇü¼º
class Car {
	public String Name;
	protected String Color;
	boolean Gasoline;
	
	Car(String aName, String aColor, boolean aGasoline) {
		Name = aName;
		Color = aColor;
		Gasoline = aGasoline;
	}

	void Run() {
		if (Gasoline) {
			System.out.println("ºÎ¸ª ºÎ¸ª");
		} else {
			System.out.println("´úÄÈ ´úÄÈ");
		}
	}
	void Stop() {
		System.out.println("³¢ÀÌÀÍ");
	}
}

class Truck extends Car {
	int Ton;
	Truck(String aName, String aColor, boolean aGasoline, int aTon) {
		super(aName,aColor,aGasoline);
		Ton = aTon;
	}
	void Run() {
		System.out.println("¿ì´çÅÁ ÄôÅÁ");
	}
	void Convey() {
		System.out.println("ÁüÀ» ½Ç¾î ³ª¸¥´Ù.");
	}
}

class JavaExam {
	public static void TestCar(Car car) {
		car.Run();
		car.Stop();
		//car.Convey();
	}
	public static void main(String args[]) {
		Car MyCar = new Car("Á¦³×½Ã½º", "»¡°­", true);
		Car YourCar = new Truck("ºÀ°í", "ÆĶû", true, 1500);

		TestCar(MyCar);
		TestCar(YourCar);
	}
}
//*/

/* °´Ã¼ ij½ºÆÃ
class Car {
	public String Name;
	protected String Color;
	boolean Gasoline;
	
	Car(String aName, String aColor, boolean aGasoline) {
		Name = aName;
		Color = aColor;
		Gasoline = aGasoline;
	}

	void Run() {
		if (Gasoline) {
			System.out.println("ºÎ¸ª ºÎ¸ª");
		} else {
			System.out.println("´úÄÈ ´úÄÈ");
		}
	}
	void Stop() {
		System.out.println("³¢ÀÌÀÍ");
	}
}

class Truck extends Car {
	int Ton;
	Truck(String aName, String aColor, boolean aGasoline, int aTon) {
		super(aName,aColor,aGasoline);
		Ton = aTon;
	}
	void Run() {
		System.out.println("¿ì´çÅÁ ÄôÅÁ");
	}
	void Convey() {
		System.out.println("ÁüÀ» ½Ç¾î ³ª¸¥´Ù.");
	}
}


class JavaExam {
	public static void main(String args[]) {
		Car MyTruck = new Truck("ºÀ°í", "ÆĶû", true, 1500);

		Truck AnyTruck;
		AnyTruck = (Truck)MyTruck;
		AnyTruck.Convey();
	}
}


//*/

/* Ŭ·¡½º°£ÀÇ Ä³½ºÆ® ¿¬»ê
class Car {
	public String Name;
	protected String Color;
	boolean Gasoline;
	
	Car(String aName, String aColor, boolean aGasoline) {
		Name = aName;
		Color = aColor;
		Gasoline = aGasoline;
	}

	void Run() {
		if (Gasoline) {
			System.out.println("ºÎ¸ª ºÎ¸ª");
		} else {
			System.out.println("´úÄÈ ´úÄÈ");
		}
	}
	void Stop() {
		System.out.println("³¢ÀÌÀÍ");
	}
}

class Truck extends Car {
	int Ton;
	Truck(String aName, String aColor, boolean aGasoline, int aTon) {
		super(aName,aColor,aGasoline);
		Ton = aTon;
	}
	void Run() {
		System.out.println("¿ì´çÅÁ ÄôÅÁ");
	}
	void Convey() {
		System.out.println("ÁüÀ» ½Ç¾î ³ª¸¥´Ù.");
	}
}

class JavaExam {
	public static void TestCar(Car car) {
		car.Run();
		car.Stop();
		if (car instanceof Truck) {
			Truck truck = (Truck)car;
			truck.Convey();
			//((Truck)car).Convey();
		}
	}

	public static void main(String args[]) {
		Car[] arCar = {
			new Car("±×·£Àú", "°ËÁ¤", true),
			new Truck("Æ÷ÅÍ", "ÆĶû", false, 1500),
			new Car("¼Ò³ªÅ¸", "ÇϾç", true),
		};

		for (Car car: arCar) {
			TestCar(car);
		}
	}
}
//*/

/* Ãß»ó Ŭ·¡½º
abstract class Dog {
	void SwingTail() {
		System.out.println("»ì¶û»ì¶û");
	}
	abstract void Bark();
}

class Jindo extends Dog {
	void Bark() {
		System.out.println("¸Û¸Û");
	}
}

class Chihuahua extends Dog {
	void Bark() {
		System.out.println("¿Ð¿Ð");
	}
}

class JavaExam {
	public static void main(String args[]) {
		Jindo Jindol = new Jindo();
		Chihuahua Happy = new Chihuahua();
		Jindol.Bark();
		Happy.Bark();
	}
}
//*/

/* ÀÎÅÍÆäÀ̽º
interface Animal {
	void Eat();
	void Sleep();
}

class Cow implements Animal {
	public void Eat() {
		System.out.println("¿ì°Æ¿ì°Æ");
	}
	public void Sleep() {
		System.out.println("ÄðÄð");
	}
}

class JavaExam {
	public static void main(String args[]) {
		Cow So = new Cow();
		So.Eat();
		So.Sleep();
	}
}
//*/

/* ´ÙÁß »ó¼Ó
abstract class Dog {
	void SwingTail() {
		System.out.println("»ì¶û»ì¶û");
	}
	abstract void Bark();
}

interface Animal {
	void Eat();
	void Sleep();
}

class Chihuahua extends Dog implements Animal {
	void Bark() {
		System.out.println("¿Ð¿Ð");
	}
	public void Eat() {
		System.out.println("³È³È³È³È");
	}
	public void Sleep() {
		System.out.println("½Ø±Ù½Ø±Ù");
	}
}

class JavaExam {
	public static void main(String args[]) {
		Chihuahua Happy = new Chihuahua();
		Happy.SwingTail();
		Happy.Bark();
		Happy.Eat();
		Happy.Sleep();
		
		//Animal Ddaeng7 = new Chihuahua();
		//Ddaeng7.Eat();
		//Ddaeng7.Sleep();
	}
}
//*/

/* Ŭ·¡½ºÀÇ Áßø
class CarName {
	String Model;
	int Year;
	CarName(String aModel, int aYear) {
		Model = aModel;
		Year = aYear;
	}
}

class Car {
	CarName Name;
	String Color;

	Car(String aModel, int aYear,String aColor) {
		Name = new CarName(aModel,aYear);
		Color = aColor;
	}

	void OutInfo() {
		System.out.printf("¸ðµ¨ = %s, ³â½Ä = %d, »ö»ó = %s\n",
			Name.Model, Name.Year, Color);
	}
}

public class JavaExam {
	public static void main(String[] args) {
		Car Pride = new Car("ÇÁ¶óÀ̵å", 2005, "ÆĶû");
		Pride.OutInfo();

		CarName Grandeur = new CarName("±×·£´ÙÀÌÀú", 2009);
		System.out.printf("¸ðµ¨ = %s, ³â½Ä = %d\n", Grandeur.Model,Grandeur.Year);
	}
}
//*/

/* Á¤Àû ÀÌ³Ê Å¬·¡½º
class Car {
	CarName Name;
	String Color;

	static class CarName {
		String Model;
		int Year;
		CarName(String aModel, int aYear) {
			Model = aModel;
			Year = aYear;
		}
	}

	Car(String aModel, int aYear,String aColor) {
		Name = new CarName(aModel,aYear);
		Color = aColor;
	}

	void OutInfo() {
		System.out.printf("¸ðµ¨ = %s, ³â½Ä = %d, »ö»ó = %s\n",
			Name.Model, Name.Year, Color);
	}
}

public class JavaExam {
	public static void main(String[] args) {
		Car Pride = new Car("ÇÁ¶óÀ̵å", 2005, "ÆĶû");
		Pride.OutInfo();

		Car.CarName Grandeur = new Car.CarName("±×·£´ÙÀÌÀú", 2009);
		System.out.printf("¸ðµ¨ = %s, ³â½Ä = %d\n", Grandeur.Model,Grandeur.Year);
	}
}
//*/

/* ÀÌ³Ê Å¬·¡½º
class Car {
	CarName Name;
	String Color;

	class CarName {
		String Model;
		int Year;
		CarName(String aModel, int aYear) {
			Model = aModel;
			Year = aYear;
		}
		void OutColor() {
			System.out.println("»ö»óÀº " + Color + "ÀÔ´Ï´Ù.");
		}
	}

	Car(String aModel, int aYear,String aColor) {
		Name = new CarName(aModel,aYear);
		Color = aColor;
	}

	void OutInfo() {
		System.out.printf("¸ðµ¨ = %s, ³â½Ä = %d, »ö»ó = %s\n",
			Name.Model, Name.Year, Color);
	}
}

public class JavaExam {
	public static void main(String[] args) {
		Car Pride = new Car("ÇÁ¶óÀ̵å", 2005, "ÆĶû");
		Pride.OutInfo();
		Pride.Name.OutColor();

		Car.CarName Pride2 = Pride.new CarName("ÇÁ¶ûÀÌ", 2009);
		Pride2.OutColor();
	}
}
//*/

/* ·ÎÄà ÀÌ³Ê Å¬·¡½º
public class JavaExam {
	public static void main(String[] args) {
		class Car {
			void Run() {
				System.out.println("ºÎ¸ª ºÎ¸ª");
			}
		}
		
		Car Forte = new Car();
		Forte.Run();
	}
}
//*/

/* ¿ÜºÎ Ŭ·¡½º¸¦ »ó¼Ó¹Þ´Â ·ÎÄà ÀÌ³Ê Å¬·¡½º
class Car {
	void Run() {
		System.out.println("ºÎ¸ª ºÎ¸ª");
	}
}

public class JavaExam {
	public static void main(String[] args) {
		class Truck extends Car {
			void Run() {
				System.out.println("¿ì´çÅÁ ÄôÅÁ");
			}
		}
		
		Truck Porter = new Truck();
		Porter.Run();
	}
}
//*/

/* ÀÍ¸í ·ÎÄà ÀÌ³Ê Å¬·¡½º
class Car {
	void Run() {
		System.out.println("ºÎ¸ª ºÎ¸ª");
	}
}

public class JavaExam {
	public static void main(String[] args) {
		Car Porter = new Car() {
			void Run() {
				System.out.println("¿ì´çÅÁ ÄôÅÁ");
			}
		};
		
		Porter.Run();
	}
}
//*/

/* ÀÎÅÍÆäÀ̽º¸¦ ±¸ÇöÇÏ´Â ÀÍ¸í ·ÎÄà ÀÌ³Ê Å¬·¡½º
interface ICar {
	void Run();
}

public class JavaExam {
	public static void main(String[] args) {
		ICar Porter = new ICar() {
			public void Run() {
				System.out.println("¿ì´çÅÁ ÄôÅÁ");
			}
		};
		
		Porter.Run();
	}
}
//*/

/* ÀÎÅÍÆäÀ̽º¸¦ ±¸ÇöÇÏ´Â ÀÍ¸í ·ÎÄà ÀÌ³Ê Å¬·¡½º
interface ICar {
	void Run();
}

public class JavaExam {
	public static void main(String[] args) {
		class Anonymous implements ICar {
			public void Run() {
				System.out.println("¿ì´çÅÁ ÄôÅÁ");
			}
		};

		Anonymous Porter = new Anonymous();
		Porter.Run();
	}
}
//*/

/////////////////////////////////////////////////////////////////////
//4Àå.ÀÚ¹Ù ¶óÀ̺귯¸®

/* PackageTest
package kr.winapi;

public class PackageTest {
	public static void main(String[] args) {
		kimutil.UtilClass.UtilMethod();
		parkutil.UtilClass.UtilMethod();
	}
}
//*/

/* kilutil.UtilClass.java
package kimutil;

public class UtilClass {
	public static void UtilMethod() {
		System.out.println("±èÂ÷ÀåÀÇ À¯Æ¿¸®Æ¼");
	}
}
//*/

/* parkutil.UtilClass.java
package parkutil;

public class UtilClass {
	public static void UtilMethod() {
		System.out.println("¹Ú°úÀåÀÇ À¯Æ¿¸®Æ¼");
	}
}
//*/

/* import
package kr.winapi;

import kimutil.UtilClass;

public class PackageTest {
	public static void main(String[] args) {
		UtilClass.UtilMethod();
		parkutil.UtilClass.UtilMethod();
	}
}
//*/

/* toString
class Car {
	String Name;
	String Color;
	Car(String aName, String aColor) { Name = aName; Color = aColor; }
	//public String toString() { return Color + " " + Name; }
}

class JavaExam {
	public static void main(String args[]) {
		int i = 1234;
		System.out.println(i);
		Car Pride = new Car("ÇÁ¶óÀ̵å", "ÆĶû");
		System.out.println(Pride);
	}
}
//*/

/* equals
class Car {
	String Name;
	Car(String aName) { Name = aName; }
	public boolean equals(Object obj) {
		if (obj instanceof Car) {
			Car other = (Car)obj;
			return (Name.equals(other.Name));
		}
		return false;
	}
}

class JavaExam {
	public static void main(String args[]) {
		Car Pride = new Car("ÇÁ¶óÀ̵å");
		Car Pride2 = new Car("ÇÁ¶óÀ̵å");
		Car Cerato = new Car("¼¼¶óÅä");
		Car PrideCopy = Pride;
		System.out.println(Pride == Pride2 ? "°°´Ù":"´Ù¸£´Ù");
		System.out.println(Pride == PrideCopy ? "°°´Ù":"´Ù¸£´Ù");
		System.out.println(Pride.equals(Pride2) ? "°°´Ù":"´Ù¸£´Ù");
		System.out.println(Pride.equals(Cerato) ? "°°´Ù":"´Ù¸£´Ù");
	}
}
//*/

/* getClass
import java.lang.reflect.*;
class Car {
	String Name;
	String Color;
	boolean Gasoline;
	void Run() { }
	void Stop() { }
}
class JavaExam {
	public static void main(String args[]) {
		Car Pride = new Car();
		Class cls = Pride.getClass();
		//Class cls = Car.class;
		System.out.println("Ŭ·¡½º À̸§ = " + cls.getName());
		System.out.println("½´ÆÛ Å¬·¡½º = " + cls.getSuperclass().getName());
		Field[] fields = cls.getDeclaredFields();
		System.out.print("Çʵå : ");
		for (Field F : fields) {
			System.out.print(F.getName() + " ");
		}
		System.out.print("\n¸Þ¼Òµå : ");
		Method methods[] = cls.getDeclaredMethods();
		for (Method M : methods) {
			System.out.print(M.getName() + " ");
		}
	}
}
//*/

/* ¹Ú½Ì
class JavaExam {
	public static void main(String args[]) {
		int i = 1234;
		String str;
		//str = i.toString();
		Integer wrapint = new Integer(i);
		//Integer wrapint = i;
		//Integer wrapint = Integer.valueOf(i);
		str = wrapint.toString();
		System.out.println(str);
	}
}
//*/

/* ¹®ÀÚ¿­·ÎºÎÅÍ ¹Ú½Ì
class JavaExam {
	public static void main(String args[]) {
		Integer wrapint = new Integer("629");
		String str = wrapint.toString();
		int i = Integer.parseInt(str);
		System.out.println(i);

		String a = "12", b = "34";
		System.out.println(a + b);
		System.out.println(Integer.parseInt(a) + Integer.parseInt(b));
	}
}
//*/

/* ¾ð¹Ú½Ì
class JavaExam {
	public static void main(String args[]) {
		Integer wrapint = new Integer(629);
		int i = wrapint.intValue();
		System.out.println(i);

		Double wrapdouble = new Double("3.14");
		int di = wrapdouble.intValue();
		System.out.println(di);
	}
}
//*/

/* ·¡ÆÛÀÇ ±â´É
class JavaExam {
	public static void main(String args[]) {
		System.out.printf("int ŸÀÔÀÇ Å©±â = %d, ÃÖ¼Ò°ª = %d, ÃÖ´ë°ª = %d\n", 
				Integer.SIZE, Integer.MIN_VALUE, Integer.MAX_VALUE);
		System.out.printf("Double ŸÀÔÀÇ Å©±â = %d, Áö¼ö ÃÖ¼Ò°ª = %d, Áö¼ö ÃÖ´ë°ª = %d\n", 
				Double.SIZE, Double.MIN_EXPONENT, Double.MAX_EXPONENT);
		
		System.out.println(Integer.toBinaryString(1234));
		System.out.println(Integer.toBinaryString(Float.floatToRawIntBits(3.14f)));
	}
}
//*/

/* StringÀÇ »ý¼ºÀÚ
public class JavaExam {
	public static void main(String[] args) {
		String str;
		str = "¾Æ¸§´Ù¿î";
		System.out.println(str);

		String str2 = "¿ì¸®³ª¶ó";
		System.out.println(str2);
		
		char[] ar = { 'k', 'o', 'r', 'e', 'a' };
		String str3 = new String(ar);
		System.out.println(str3);
		
		System.out.println("´ëÇѹα¹".length());
	}
}
//*/

/* ¹®ÀÚ¿­ ºñ±³
public class JavaExam {
	public static void main(String[] args) {
		String str1 = "James Gosling";
		String str2 = "James Gosling";
		String str3 = "James ";
		str3 += "Gosling";
		String str4 = "james gosling";
		
		System.out.println(str1 == str2 ? "°°´Ù":"´Ù¸£´Ù");
		System.out.println(str1 == str3 ? "°°´Ù":"´Ù¸£´Ù");
		System.out.println(str1.equals(str3) ? "°°´Ù":"´Ù¸£´Ù");
		System.out.println(str1.equals(str4) ? "°°´Ù":"´Ù¸£´Ù");
		System.out.println(str1.equalsIgnoreCase(str4) ? "°°´Ù":"´Ù¸£´Ù");
		
		String Apple = "Apple";
		String Orange = "Orange";
		int Result = Apple.compareTo(Orange);
		if (Result == 0) {
			System.out.println("°°´Ù");
		} else if (Result < 0) {
			System.out.println("AppleÀÌ ´õ ¾ÕÂÊ");
		} else if (Result > 0) {
			System.out.println("AppleÀÌ ´õ µÚÂÊ");
		}
	}
}
//*/

/* ¹®ÀÚ¿­ °Ë»ö
public class JavaExam {
	public static void main(String[] args) {
		String str = "String Search Method of String Class";
		
		System.out.println("¾ÕÂÊ t = " + str.indexOf('t'));
		System.out.println("µÚÂÊ t = " + str.lastIndexOf('t'));
		System.out.println("¾ÕÂÊ z = " + str.indexOf('z'));
		System.out.println("¾ÕÂÊ String = " + str.indexOf("String"));
		System.out.println("µÚÂÊ String = " + str.lastIndexOf("String"));
	}
}
//*/

/* ¹®ÀÚ¿­ º¯°æ
public class JavaExam {
	public static void main(String[] args) {
		String str = "  Made In Korea  ";
		
		System.out.println(str.toLowerCase());
		System.out.println(str.toUpperCase());
		System.out.println(str.trim());

		str.toUpperCase();
		String str2 = str.toUpperCase(); 
		System.out.println(str);
		System.out.println(str2);
		
		String str3 = "µ¶µµ´Â ÀϺ»¶¥ÀÌ´Ù. ´ë¸¶µµ´Â ÀϺ»¶¥ÀÌ´Ù.";
		System.out.println(str3.replaceFirst("ÀϺ»", "Çѱ¹"));
		System.out.println(str3.replaceAll("ÀϺ»", "Çѱ¹"));
	}
}
//*/

/* ºÎºÐ ¹®ÀÚ¿­ ÃßÃâ
public class JavaExam {
	public static void main(String[] args) {
		String str = "0123456789";
		System.out.println(str.substring(3,7));
		
		String name = "Á¦ À̸§Àº <¾Æ¹«°³>ÀÔ´Ï´Ù.";
		int st, ed;
		st = name.indexOf('<');
		ed = name.indexOf('>');
		System.out.println(name.substring(st+1,ed));
	}
}
//*/

/* StringÀ¸·Î ¹®ÀÚ¿­ Á¶ÀÛ
public class JavaExam {
	public static void main(String[] args) {
		String str = "";
		for (int i = 0; i < 1000; i++) {
			for (char ch = 'A'; ch <= 'z'; ch ++) {
				str += ch;
			}
			str += '\n';
		}
		System.out.println(str);
	}
}
//*/

/* StringBuilder·Î ¹®ÀÚ¿­ Á¶ÀÛ
public class JavaExam {
	public static void main(String[] args) {
		StringBuilder str = new StringBuilder();
		for (int i = 0; i < 1000; i++) {
			for (char ch = 'A'; ch <= 'z'; ch ++) {
				str.append(ch);
			}
			str.append('\n');
		}
		System.out.println(str);
	}
}
//*/

/* ¼öÇà ½Ã°£ ÃøÁ¤
class JavaExam {
	public static void main(String args[]) {
		long start = System.currentTimeMillis();
		for (int i = 0; i < 10000; i++) {
			System.out.println(i + "¹ø° ÁÙ");
		}
		long end = System.currentTimeMillis();
		System.out.println((end-start)/1000.0 + " ÃÊ °É¸²");
	}
}
//*/

/* ³­¼ö »ý¼º
import java.util.Random;
class JavaExam {
	public static void main(String args[]) {
		Random R = new Random();
		for (int i = 0; i < 10; i++) {
			System.out.println(R.nextInt(100));
			System.out.println(3.14e-1);
		}
	}
}
//*/

/* ÇöÀç ½Ã°£ Ãâ·Â
import java.util.*;
class JavaExam {
	public static void main(String args[]) {
		GregorianCalendar C = new GregorianCalendar();
		System.out.printf("%d³â %d¿ù %dÀÏ %s %d½Ã %dºÐ %dÃÊ",
			C.get(Calendar.YEAR), 
			C.get(Calendar.MONTH), 
			C.get(Calendar.DATE), 
			C.get(Calendar.AM_PM) == Calendar.AM ? "¿ÀÀü":"¿ÀÈÄ", 
			C.get(Calendar.HOUR), 
			C.get(Calendar.MINUTE), 
			C.get(Calendar.SECOND)); 
	}
}
//*/

/* ArrayList
import java.util.*;
class JavaExam {
	public static void main(String args[]) {
		ArrayList<String> arName = new ArrayList<String>();
		arName.add("ÀüµÎȯ");
		arName.add("±è¿µ»ï");
		arName.add("±è´ëÁß");
		arName.add(1,"³ëÅ¿ì");
		for (int i = 0;i < arName.size();i++) {
			System.out.println(arName.get(i));
		}

		System.out.println("==========");
		arName.remove(2);
		arName.set(2,"¿ø´õ°É½º");
		for (int i = 0;i < arName.size();i++) {
			System.out.println(arName.get(i));
		}
		if (arName.indexOf("³ëÅ¿ì") != -1) {
			System.out.println("ÀÖ´Ù");
		} else {
			System.out.println("¾ø´Ù");
		}
	}
}
//*/

/* ±âº»Çü¿¡ ´ëÇÑ ArrayList
import java.util.*;
class JavaExam {
	public static void main(String args[]) {
		ArrayList<Integer> arNum = new ArrayList<Integer>();
		arNum.add(86);
		arNum.add(92);
		arNum.add(77);
		for (Integer i : arNum) {
			System.out.println(i);
		}
	}
}
//*/

/* LinkedList
import java.util.*;
class JavaExam {
	public static void main(String args[]) {
		LinkedList<String> arName = new LinkedList<String>();
		arName.add("ÀüµÎȯ");
		arName.add("±è¿µ»ï");
		arName.add("±è´ëÁß");
		arName.add(1,"³ëÅ¿ì");
		
		//for (int i = 0;i < arName.size();i++) {
		//	System.out.println(arName.get(i));
		//}
		
		Iterator<String> it = arName.iterator();
		while (it.hasNext()) {
			System.out.println(it.next());
		}
		
		// ³ú ÀÚ¹Ù 539 ÆäÀÌÁö¿¡ µÈ´Ù°í µÇ¾î Àִµ¥ ¾ÈµÊ
		//Iterator<String> it = arName.iterator();
		//for (String Name : it) {
		//	System.out.println(Name);
		//}
		
	}
}
//*/

/* HashMap
import java.util.*;
class JavaExam {
	public static void main(String args[]) {
		HashMap<String,Integer> Snack = new HashMap<String,Integer>();
		Snack.put("¿À¡¾î ¶¥Äá", 2500);
		Snack.put("ÁÒ¸®Æþ", 1900);
		Snack.put("Çֺ극ÀÌÅ©", 450);
		Snack.put("»©»©·Î", 900);
		
		String MySnack = "ÁÒ¸®Æþ";
		System.out.println(MySnack + "ÀÇ °¡°ÝÀº " + Snack.get(MySnack));
	}
}
//*/

/////////////////////////////////////////////////////////////////////
//5Àå.°í±Þ ¹®¹ý

/* ¿¹¿Ü ó¸®
public class JavaExam {
	public static void main(String[] args) {
		int[] ar= {1,2,3,4,5};
		int index = 5;
		try {
			System.out.println(ar[index]);
		}
		catch (ArrayIndexOutOfBoundsException e) {
			System.out.println("÷ÀÚ°¡ ¹è¿­ ¹üÀ§¸¦ ³Ñ¾î¼¹½À´Ï´Ù.");
		}
		catch (Exception e) {
			System.out.println(e.getMessage());
		}
		System.out.println("¿¬»êÀ» ¿Ï·áÇß½À´Ï´Ù.");
	}
}
//*/

/* üũµå ¿¹¿Ü
public class JavaExam {
	public static void main(String[] args) {
		System.out.println("ÇÁ·Î±×·¥ ½ÃÀÛ");
		try {
			Thread.sleep(3000);
		}
		catch (InterruptedException e) {
			System.out.println("¿¹¿Ü ¹ß»ý");
		}
		System.out.println("ÇÁ·Î±×·¥ ³¡");
	}
}
//*/

/* ¿¹¿Ü °´Ã¼ÀÇ ¸Þ¼Òµå
public class JavaExam {
	public static void main(String[] args) {
		method();
	}

	static void method() {
		submethod();
	}

	static void submethod() {
		int i;
		int a = 3, b = 0;
		try {
			i = a / b;
			System.out.println(i);
		}
		catch (Exception e) {
			System.out.println(e.getMessage());
			e.printStackTrace();
		}
	}
}
//*/

/* ¿¹¿Ü ´øÁö±â
public class JavaExam {
	public static void main(String[] args) {
		try {
			method();
		}
		catch (Exception e) {
			System.out.println(e.getMessage());
		}
	}

	static void method() throws Exception {
		throw new Exception("¹º°¡ À߸øµÆÀ½.");
	}
}
//*/

/* Thread »ó¼Ó
public class JavaExam {
	public static void main(String[] args) {
		MyThread worker = new MyThread();
		worker.start();
		
		for (int num = 0;num < 20;num++) {
			try { Thread.sleep(50); } catch (InterruptedException e) { ; }
			System.out.print("Java ");
		}
	}
}

class MyThread extends Thread {
	public void run() {
		for (int num = 0;num < 20;num++) {
			try { Thread.sleep(30); } catch (InterruptedException e) { ; }
			System.out.print("ÀÚ¹Ù ");
		}
	}
}
//*/

/* Runnable ±¸Çö
public class JavaExam {
	public static void main(String[] args) {
		MyRunnable MyRun = new MyRunnable();
		Thread worker = new Thread(MyRun);
		worker.start();
		
		for (int num = 0;num < 20;num++) {
			try { Thread.sleep(50); } catch (InterruptedException e) { ; }
			System.out.print("Java ");
		}
	}
}

class MyRunnable implements Runnable {
	public void run() {
		for (int num = 0;num < 20;num++) {
			try { Thread.sleep(30); } catch (InterruptedException e) { ; }
			System.out.print("ÀÚ¹Ù ");
		}
	}
}
//*/

/* RunnableÀ» »ç¿ëÇØ¾ß ÇÏ´Â °æ¿ì 
public class JavaExam {
	public static void main(String[] args) {
		MyRunnable MyRun = new MyRunnable();
		Thread worker = new Thread(MyRun);
		worker.start();
		
		for (int num = 0;num < 20;num++) {
			try { Thread.sleep(50); } catch (InterruptedException e) { ; }
			System.out.print("Java ");
		}
	}
}

class MyClass {
	public void PrintJava() {
		for (int num = 0;num < 20;num++) {
			try { Thread.sleep(30); } catch (InterruptedException e) { ; }
			System.out.print("ÀÚ¹Ù ");
		}
	}
}

class MyRunnable extends MyClass implements Runnable {
	public void run() {
		PrintJava();
	}
}
//*/

/* Runnable ±¸Çö - À͸í ÀÌ³Ê Å¬·¡½º
public class JavaExam {
	public static void main(String[] args) {
		Thread worker = new Thread(mRunnable);
		worker.start();
		
		for (int num = 0;num < 20;num++) {
			try { Thread.sleep(50); } catch (InterruptedException e) { ; }
			System.out.print("Java ");
		}
	}
	
	static Runnable mRunnable = new Runnable() {
		public void run() {
			for (int num = 0;num < 20;num++) {
				try { Thread.sleep(30); } catch (InterruptedException e) { ; }
				System.out.print("ÀÚ¹Ù ");
			}
		}
	};
}
//*/

/* Runnable ±¸Çö - ´õ °£´ÜÇÑ À͸í ÀÌ³Ê Å¬·¡½º °´Ã¼
public class JavaExam {
	public static void main(String[] args) {
		Thread worker = new Thread(new Runnable() {
			public void run() {
				for (int num = 0;num < 20;num++) {
					try { Thread.sleep(30); } catch (InterruptedException e) { ; }
					System.out.print("ÀÚ¹Ù ");
				}
			}
		});
		worker.start();
		
		for (int num = 0;num < 20;num++) {
			try { Thread.sleep(50); } catch (InterruptedException e) { ; }
			System.out.print("Java ");
		}
	}
}
//*/

/* °øÀ¯ °´Ã¼¸¦ ÅëÇÑ ½º·¹µå°£ÀÇ Åë½Å 
public class JavaExam {
	public static void main(String[] args) {
		Memory mem = new Memory(16);
		DownLoad down = new DownLoad(mem);
		Play play = new Play(mem);
		
		down.start();
		play.start();
	}
}

class Memory {
	int[] buffer;
	int size;
	int progress;
	Memory(int asize) {
		size = asize;
		buffer = new int[asize];
		progress = 0;
	}
}

class DownLoad extends Thread {
	Memory mem;
	DownLoad(Memory amem) {
		mem = amem;
	}
	public void run() {
		for (int off = 0;off < mem.size;off++) {
			mem.buffer[off] = off;
			mem.progress = off + 1;
			try { Thread.sleep(200); } catch (InterruptedException e) { ; }
		}
	}
}

class Play extends Thread {
	Memory mem;
	Play(Memory amem) {
		mem = amem;
	}
	public void run() {
		for (;;) {
			for (int off = 0;off < mem.progress;off++) {
				System.out.print(mem.buffer[off] + " ");
			}
			System.out.println();
			if (mem.progress == mem.size) break;
			try { Thread.sleep(500); } catch (InterruptedException e) { ; }
		}
	}
}
//*/

/* µ¿±âÈ­ - µÎ ûũ°¡ ÇÑ ºí·ÏÀ» ±¸¼ºÇØ¾ß ÇÑ´Ù.
public class JavaExam {
	public static void main(String[] args) {
		Memory mem = new Memory(16);
		DownLoad down = new DownLoad(mem);
		Play play = new Play(mem);
		
		down.start();
		play.start();
	}
}

class Memory {
	int[] buffer;
	int size;
	int progress;
	Memory(int asize) {
		size = asize;
		buffer = new int[asize];
		progress = 0;
	}
}

class DownLoad extends Thread {
	Memory mem;
	DownLoad(Memory amem) {
		mem = amem;
	}
	public void run() {
		for (int off = 0;off < mem.size;off += 2) {
			synchronized(mem) {
				for (int chunk = 0;chunk < 2;chunk++) {
					mem.buffer[off+chunk] = off+chunk;
					mem.progress = off+chunk+1;
					try { Thread.sleep(200); } catch (InterruptedException e) { ; }
				}
			}
		}
	}
}

class Play extends Thread {
	Memory mem;
	Play(Memory amem) {
		mem = amem;
	}
	public void run() {
		for (;;) {
			synchronized(mem) {
				for (int off = 0;off < mem.progress;off++) {
					System.out.print(mem.buffer[off] + " ");
				}
				System.out.println();
			}
			if (mem.progress == mem.size) break;
			try { Thread.sleep(500); } catch (InterruptedException e) { ; }
		}
	}
}
//*/

/* µ¿±âÈ­ ¸Þ¼Òµå
public class JavaExam {
	public static void main(String[] args) {
		Memory mem = new Memory(16);
		DownLoad down = new DownLoad(mem);
		Play play = new Play(mem);
		
		down.start();
		play.start();
	}
}

class Memory {
	int[] buffer;
	int size;
	int progress;
	Memory(int asize) {
		size = asize;
		buffer = new int[asize];
		progress = 0;
	}

	synchronized void DownChunk(int off) {
		for (int chunk = 0;chunk < 2;chunk++) {
			buffer[off+chunk] = off+chunk;
			progress = off+chunk+1;
			try { Thread.sleep(200); } catch (InterruptedException e) { ; }
		}
	}
	
	synchronized void PlayDowned() {
		for (int off = 0;off < progress;off++) {
			System.out.print(buffer[off] + " ");
		}
		System.out.println();
	}
}

class DownLoad extends Thread {
	Memory mem;
	DownLoad(Memory amem) {
		mem = amem;
	}
	public void run() {
		for (int off = 0;off < mem.size;off += 2) {
			mem.DownChunk(off);
		}
	}
}

class Play extends Thread {
	Memory mem;
	Play(Memory amem) {
		mem = amem;
	}
	public void run() {
		for (;;) {
			mem.PlayDowned();
			if (mem.progress == mem.size) break;
			try { Thread.sleep(500); } catch (InterruptedException e) { ; }
		}
	}
}
//*/

/* ´Ù ¹ÞÀº ÈÄ¿¡ Àç»ýÇϱâ 
public class JavaExam {
	public static void main(String[] args) {
		Memory mem = new Memory(16);
		DownLoad down = new DownLoad(mem);
		Play play = new Play(mem);
		
		down.start();
		play.start();
	}
}

class Memory {
	int[] buffer;
	int size;
	int progress;
	Memory(int asize) {
		size = asize;
		buffer = new int[asize];
		progress = 0;
	}
}

class DownLoad extends Thread {
	Memory mem;
	DownLoad(Memory amem) {
		mem = amem;
	}
	public void run() {
		for (int off = 0;off < mem.size;off++) {
			mem.buffer[off] = off;
			mem.progress = off + 1;
			try { Thread.sleep(200); } catch (InterruptedException e) { ; }
		}
		synchronized(mem) {	mem.notify(); }
	}
}

class Play extends Thread {
	Memory mem;
	Play(Memory amem) {
		mem = amem;
	}
	public void run() {
		//while (mem.progress != mem.size) {;}
		try { 
			synchronized(mem) {	mem.wait();	}
		} catch(InterruptedException e) { }

		for (int off = 0;off < mem.progress;off++) {
			System.out.print(mem.buffer[off] + " ");
		}
		System.out.println();
	}
}

//*/

/* ÀÌÁø ÆÄÀÏ ¾²±â - ¿øÄ¢ÀûÀ¸·Î ¿¹¿Ü ó¸®
public class JavaExam {
	public static void main(String[] args) {
		FileOutputStream out = null;
		try {
			byte[] data = { 8, 9, 0, 6, 2, 9, 9 };
			out = new FileOutputStream("test.bin");
			out.write(data);
			System.out.println("Write success");
		}
		catch (IOException e) {
			System.out.println("File output error");
		}
		finally {
			try {
				out.close();
			}
			catch (Exception e) {;}
		}
	}
}
//*/

/* ÀÌÁø ÆÄÀÏ ¾²±â - °£·«È­µÈ Çü½Ä
public class JavaExam {
	public static void main(String[] args) throws Exception {
		byte[] data = { 8, 9, 0, 6, 2, 9, 9 };
		FileOutputStream out = new FileOutputStream("test.bin");
		out.write(data);
		out.close();
		System.out.println("Write success");
	}
}
//*/

/* ÀÌÁø ÆÄÀÏ Àбâ
public class JavaExam {
	public static void main(String[] args) throws Exception {
		FileInputStream in = new FileInputStream("test.bin");
		int avail = in.available();
		byte[] data = new byte[avail];
		in.read(data);
		in.close();
		for (byte b : data) {
			System.out.print(b);
		}
	}
}
//*/

/* ¹®ÀÚ¿­ ÀÔÃâ·Â - UTF8·Î ÀúÀåµÈ´Ù.
public class JavaExam {
	public static void main(String[] args) throws Exception {
		String str = "ÀÚ¹Ù Stream ÀÔÃâ·Â";
		FileWriter out = new FileWriter("test.txt");
		out.write(str);
		out.close();
		System.out.println("Write success");

		// ÇÑ ¹®ÀÚ¾¿ Àбâ
		FileReader in = new FileReader("test.txt");
		int ch;
		for (;;) {
		ch = in.read();
		if (ch == -1) break;
		System.out.print((char)ch);
		}
		in.close();
		System.out.println();

		// ÇѲ¨¹ø¿¡ Àбâ
		in = new FileReader("test.txt");
		char[] text = new char[100];
		int num = in.read(text);
		System.out.println("ÀÐÀº ¹®ÀÚ °³¼ö = " + num);
		System.out.println(text);
		in.close();
	}
}
//*/

/* ANSI ¹®ÀÚ¿­ Àбâ - ¹Ù·Î ÀÐÁö ¸øÇÔ. BOMÀÌ ¾ø´Â UTF8 ¹®¼­¸¸ ÀÐÀ½
public class JavaExam {
	public static void main(String[] args) throws Exception {
		//FileReader in = new FileReader("¾Ö±¹°¡.txt");
		//FileReader in = new FileReader("¾Ö±¹°¡-Uincode.txt");
		//FileReader in = new FileReader("¾Ö±¹°¡-Utf8.txt");
		FileReader in = new FileReader("¾Ö±¹°¡-Utf8nb.txt");
		char[] text = new char[1000];
		int num = in.read(text);
		System.out.println("ÀÐÀº ¹®ÀÚ °³¼ö = " + num);
		System.out.println(text);
		in.close();
	}
}
//*/

/* ¹öÆÛ ÀÌÁø ÀÔÃâ·Â
public class JavaExam {
	public static void main(String[] args) throws Exception {
		byte[] data = { 3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5, 8, 9, 7, 9 };
		BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream("test.buf"));
		//FileOutputStream fout = new FileOutputStream("test.buf");
		//BufferedOutputStream out = new BufferedOutputStream(fout);
		out.write(data);
		out.close();
		System.out.println("Write success");
		
		BufferedInputStream in = new BufferedInputStream(new FileInputStream("test.buf"));
		byte[] indata = new byte[15];
		in.read(indata,0,15);
		in.close();
		for (byte b : indata) {
			System.out.print(b);
		}
	}
}
//*/

/* ¹öÆÛ ¹®ÀÚ¿­ ÀÔÃâ·Â
public class JavaExam {
	public static void main(String[] args) throws Exception {
		BufferedReader in = new BufferedReader(new FileReader("¾Ö±¹°¡-Utf8nb.txt"));
		char[] text = new char[1000];
		int num = in.read(text);
		System.out.println("ÀÐÀº ¹®ÀÚ °³¼ö = " + num);
		System.out.println(text);
		in.close();
	}
}
//*/

/* ÅؽºÆ® ÆÄÀÏÀ» String ŸÀÔÀ¸·Î ¹®ÀÚ¿­·Î Àбâ
public class JavaExam {
	public static void main(String[] args) {
		String str = ReadFileToString("¾Ö±¹°¡-Utf8nb.txt");
		System.out.println(str);
	}

	static String ReadFileToString(String Path) {
		StringBuilder Result = new StringBuilder();
		int ch;
		try {
			BufferedReader in = new BufferedReader(new FileReader(Path));
			for (;;) {
				ch = in.read();
				if (ch == -1) break;
				Result.append((char)ch);
			}
		}
		catch (Exception e) {;}
		return Result.toString();
	}
}
//*/

/* º¯¼ö ÀÔÃâ·Â
public class JavaExam {
	public static void main(String[] args) throws Exception {
		DataOutputStream out = new DataOutputStream(new FileOutputStream("test.dat"));
		out.writeInt(1234);
		out.writeDouble(3.14159265);
		out.writeUTF("String ¹®ÀÚ¿­");
		out.close();
		System.out.println("Write success");

		DataInputStream in = new DataInputStream(new FileInputStream("test.dat"));
		int i = in.readInt();
		double d = in.readDouble();
		String str = in.readUTF();
		System.out.printf("i = %d, d = %f, str = %s", i, d, str);
	}
}
//*/

/* Çະ·Î ÀоîµéÀ̱â
public class JavaExam {
	public static void main(String[] args) throws Exception {
		LineNumberReader in = new LineNumberReader(new FileReader("¾Ö±¹°¡-Utf8nb.txt"));
		for (;;) {
			String Line = in.readLine();
			if (Line == null) break;
			int Num = in.getLineNumber();
			System.out.printf("%4d : %s\n", Num, Line);
		}
		in.close();
	}
}
//*/

/* ¼­½Ä Ãâ·Â
public class JavaExam {
	public static void main(String[] args) throws Exception {
		PrintWriter out = new PrintWriter("format.txt");
		int i = 1234;
		double d = 56.789;
		String str = "¹®ÀÚ¿­";
		out.printf("%6d, %10.2f, %s", i, d, str);
		out.close();
	}
}
//*/

/* ÆÄÀÏÀÇ Á¤º¸ Á¶»ç
public class JavaExam {
	public static void main(String[] args) {
		File f = new File("c:\\Temp\\test.txt");
		if (f.exists()) {
			if (f.isFile()) {
				System.out.println("ÆÄÀÏÀÔ´Ï´Ù.");
				System.out.println("ÆÄÀÏ°æ·Î : " + f.getParent());
				System.out.println("ÆÄÀÏÀ̸§ : " + f.getName());
				System.out.println("ÆÄÀÏÅ©±â : " + f.length());
				System.out.println("¼û±è ÆÄÀÏ : " + f.isHidden());
				System.out.println("Àý´ë °æ·Î : " + f.isAbsolute());
			} else if (f.isDirectory()) {
				System.out.println("µð·ºÅ丮ÀÔ´Ï´Ù.");
			}
		} else {
			System.out.println("ÆÄÀÏÀÌ ¾ø½À´Ï´Ù.");
		}
	}
}
//*/

/* µð·ºÅ丮 ¹× ÆÄÀÏ »ý¼º
public class JavaExam {
	public static void main(String[] args) throws Exception  {
		File folder = new File("c:\\TestFolder");
		if (folder.mkdir()) {
			File file = new File("c:\\TestFolder\\MyFile.txt");
			if (file.createNewFile()) {
				FileWriter out = new FileWriter(file);
				out.write("Å×½ºÆ® ÆÄÀÏ");
				out.close();
			}
		}
	}
}
//*/

/* ÆÄÀÏ ¸ñ·Ï Á¶»ç
public class JavaExam {
	public static void main(String[] args) {
		File f = new File("c:\\");
		File[] arFile = f.listFiles();
		for (int i = 0; i < arFile.length; i++) {
			if (arFile[i].isFile()) {
				System.out.printf("%s %d ¹ÙÀÌÆ®\n",arFile[i].getName(), arFile[i].length());
			} else {
				System.out.printf("[%s] <Æú´õ>\n",arFile[i].getName());
			}
		}
	}
}
//*/

/* °´Ã¼ Á÷·ÄÈ­
class Car implements Serializable {
	String Name;
	String Color;
	boolean Gasoline;
	
	Car(String aName, String aColor, boolean aGasoline) {
		Name = aName;
		Color = aColor;
		Gasoline = aGasoline;
	}

	void OutInfo() {
		System.out.printf("À̸§ = %s, »ö»ó = %s, ¿¬·á = %s\n",
			Name, Color, Gasoline ? "ÈÖ¹ßÀ¯":"°æÀ¯");
	}
}

public class JavaExam {
	public static void main(String[] args) throws Exception {
		Car Pride = new Car("ÇÁ¶óÀ̵å", "ÆĶû", true);

		// ÆÄÀÏ·Î Ãâ·Â
		ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("pride.car"));
		out.writeObject(Pride);
		out.close();
		System.out.println("ÆÄÀÏ·Î ±â·Ï");
		
		// ÆÄÀϷκÎÅÍ ÀÔ·Â
		ObjectInputStream in = new ObjectInputStream(new FileInputStream("pride.car"));
		Car Pride2 = (Car)in.readObject();
		in.close();
		Pride2.OutInfo();
	}
}
//*/

/* Á÷·ÄÈ­ ´ë»ó. static, transient´Â Á¦¿ÜµÈ´Ù.
class Car implements Serializable {
	String Name;
	String Color;
	transient boolean Gasoline;
	static int Count = 0;
	
	Car(String aName, String aColor, boolean aGasoline) {
		Name = aName;
		Color = aColor;
		Gasoline = aGasoline;
	}

	void OutInfo() {
		System.out.printf("À̸§ = %s, »ö»ó = %s, ¿¬·á = %s\n",
			Name, Color, Gasoline ? "ÈÖ¹ßÀ¯":"°æÀ¯");
	}
}

public class JavaExam {
	public static void main(String[] args) throws Exception {
		Car Pride = new Car("ÇÁ¶óÀ̵å", "ÆĶû", true);

		// ÆÄÀÏ·Î Ãâ·Â
		ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("pride2.car"));
		out.writeObject(Pride);
		out.close();
		System.out.println("ÆÄÀÏ·Î ±â·Ï");
		
		// ÆÄÀϷκÎÅÍ ÀÔ·Â
		ObjectInputStream in = new ObjectInputStream(new FileInputStream("pride2.car"));
		Car Pride2 = (Car)in.readObject();
		in.close();
		Pride2.OutInfo();
	}
}
//*/

/* µðÆúÆ® Á÷·ÄÈ­
class Bitmap implements Serializable {
	byte[] raster;
	public Bitmap(int width) {
		raster = new byte[width];
		int i;
		for (i=0;i<100;i++) raster[i] = 1;
		for (i=100;i<width/2;i++) raster[i] = 8;
		for (i=width/2;i<width;i++) raster[i] = 7;
	}
}
public class JavaExam {
	public static void main(String[] args) throws Exception {
		Bitmap girl = new Bitmap(32000);

		// ÆÄÀÏ·Î Ãâ·Â
		ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("girl.bitmap"));
		out.writeObject(girl);
		out.close();
		
		// ÆÄÀϷκÎÅÍ ÀÔ·Â
		ObjectInputStream in = new ObjectInputStream(new FileInputStream("girl.bitmap"));
		Bitmap girl2 = (Bitmap)in.readObject();
		in.close();
	}
}
//*/

/* Ä¿½ºÅÒ Á÷·ÄÈ­
class Bitmap implements Serializable {
	byte[] raster;
	public Bitmap(int width) {
		raster = new byte[width];
		int i;
		for (i=0;i<100;i++) raster[i] = 1;
		for (i=100;i<width/2;i++) raster[i] = 8;
		for (i=width/2;i<width;i++) raster[i] = 7;
	}
	
	private void writeObject(ObjectOutputStream out) throws IOException {
		out.writeInt(raster.length);
		int num = 1;
		byte value = raster[0];
		for (int i = 1; i < raster.length; i++) {
			if (value == raster[i]) {
				num++;
			} else {
				out.writeByte(value);
				out.writeInt(num);
				num = 1;
				value = raster[i];
			}
		}
		if (num != 1) {
			out.writeByte(value);
			out.writeInt(num);
		}
	}
	
	private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
		int length = in.readInt();
		raster = new byte[length];
		int num;
		byte value;
		int offset;
		for (offset = 0;offset < length;) {
			value = in.readByte();
			num = in.readInt();
			for (int i = 0; i < num ; i++) {
				raster[offset] = value;
				offset++;
			}
		}
		
	}
}
public class JavaExam {
	public static void main(String[] args) throws Exception {
		Bitmap girl = new Bitmap(32000);

		// ÆÄÀÏ·Î Ãâ·Â
		ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("girl2.bitmap"));
		out.writeObject(girl);
		out.close();
		
		// ÆÄÀϷκÎÅÍ ÀÔ·Â
		ObjectInputStream in = new ObjectInputStream(new FileInputStream("girl2.bitmap"));
		Bitmap girl2 = (Bitmap)in.readObject();
		in.close();
	}
}
//*/