행복한 세상의 족제비

// File Name : Sample05.java import java.awt.Button; import java.awt.Dimension; import java.awt.Frame; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.GridLayout; import java.awt.Insets; import java.awt.List; import java.awt.Panel; import java.awt.Toolkit; public class Sample05 { public static void main(String[] ar) { Sample05_Sub sam = new Sample05_Sub(); } } ..

// File Name : Sample04.java class Sample04_UI extends Frame { private Dimension dimen, dimen1; private int xpos, ypos; public Sample04_UI() { super("JAVA UI Sample"); this.init(); this.start(); setSize(300, 200); dimen= Toolkit.getDefaultToolkit().getScreenSize(); dimen1= getSize(); xpos = (int)(dimen.getWidth() / 2 - dimen1.getWidth() / 2); ypos = (int)(dimen.getHeight() / 2 - dimen1.getHeight..

// File Name : Sample01.java // Make File : abc.txt public class Sample01 { public static void main (String[] args) { // Write File File file = new File("C:\\Users\\RyuDongYup\\workspace\\JavaSample03\\abc.txt"); try { FileOutputStream fos = new FileOutputStream(FileDescriptor.out); FileOutputStream fos1 = new FileOutputStream(file); byte[] data = {66, 68, 70, 72, (byte)'!'}; // 파일에 입력할 텍스트 fos...

// File Name : Sample01.java // abstract class Sample abstract class Shape { double a=1, b=1, c=1; Shape() {} Shape(double a) {this.a = a;} Shape(double a, double b) {this.a=a; this.b=b;} public abstract double getArea(); // abstract method 1 public abstract double getCircum(); // abstract method 2 } class Circle extends Shape { static final double PI=3.14; Circle(double a) {super(a);} public do..