摘要：
1 import java.awt.Color; 2 import java.awt.Graphics; 3 4 import javax.swing.JFrame; 5 import javax.swing.JPanel; 6 7 8 public class SimpleAnimation { 9 10 /**11 * @param args12 */13 int x=0,y=0;14 public static void main(String[] args) {15 // TODO Auto-generated met... 阅读全文
