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package Ex13;
import java.applet.Applet;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
public class Ex13_304 extends Applet {
import java.awt.*;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import javax.swing.JFrame;
public class Ex13_303 extends JFrame {
public Ex13_303() {
setTitle("設定線條");
// 設定視窗大小
import java.awt.*;
import java.awt.geom.Rectangle2D;
import javax.swing.JFrame;
public class Ex13_302 extends JFrame {
public Ex13_302() {
setTitle("漸層色");
// 設定視窗大小
setSize(300, 300);
import java.awt.*;
import java.awt.geom.Arc2D;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import javax.swing.JFrame;
public class Ex13_301 extends JFrame {
public Ex13_301() {
package Ex13;
import java.applet.Applet;
import java.awt.*;
public class Ex13_204 extends Applet {
public void init() {
// 設定Applet背景顏色
this.setBackground(Color.white);
package Ex13;
import java.applet.Applet;
import java.awt.*;
public class Ex13_202 extends Applet {
public void init() {
// 設定Applet背景顏色
this.setBackground(Color.white);
import java.awt.*;
import java.awt.event.*;
import javax.swing.JFrame;
public class Ex13_105 extends JFrame implements MouseListener {
// 宣告int,存放滑鼠座標
int x, y;
public Ex13_105() {
import java.awt.*;
import javax.swing.JFrame;
public class Ex13_104 extends JFrame {
public Ex13_104() {
// 設定視窗標題
setTitle("視窗繪圖");
// 設定視窗大小
import java.applet.Applet;
import java.awt.*;
public class Ex13_103 extends Applet {
public void init() {
// 設定Applet背景顏色
this.setBackground(Color.black);
// 設定Applet前景(繪圖)顏色
import java.applet.Applet;
import java.awt.*;
public class Ex13_102 extends Applet {
public void init() {
// 設定Applet背景顏色
this.setBackground(Color.black);
// 存放色彩變數