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用类型。
(5)代码示例
import java.awt.Graphics;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.net.URL;
import javax.swing.JApplet;
public class EarthPlanetApplet extends JApplet implements Runnable{
private Thread earthMultiThread = null;
private boolean isRunedByApplication = false; //设置程序执行的方式
private Graphics guiGraphics;
//下面的变量都是与图像有关的变量
private Image allImagesArray[];
private int currentImageIndex=0;
private int imageWidth = 0;
private int imageHeight = 0;
private boolean allImagesLoaded = false;
private final int NUMBER_IMAGES = 18;
public EarthPlanetApplet(){
}
public static void main(String[] args) {
EarthPlanetFrame applicationJFrame=null;
applicationJFrame=new EarthPlanetFrame("利用 Java 实现的地球系动画");
EarthPlanetApplet threadApplet=null;
threadApplet=new EarthPlanetApplet();
applicationJFrame.getContentPane().add("Center", threadApplet);