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package com.bjsxt; import java.awt.*; import javax.swing.*; public class BallGame extends JFrame { Image ball = Toolkit.getDefaultToolkit().getImage("images/ball.jpg"); Image desk = Toolkit.getDefaultToolkit().getImage("images/desk.jpg"); //绘制窗口 public void paint(Graphics g){ System.out.println("窗口被画了一次"); g.drawImage(desk,0,0,null); g.drawImage(ball,200,200,null); } //创建窗口 void launchFrame() { setSize(856, 501); setLocation(100,100); setVisible(true); } public static void main(String[] args) { System.out.println("我的小游戏开始了"); BallGame game = new BallGame(); game.launchFrame(); } }
我只能出现窗口不能出现图片是为什么?
老师你好,为什么我的IDEA和老师那个不一样,新建model的时候
为什么我这两个不能一块打出呢
public class TestOperater{
public static void main(String[] args){
int a = 50;
long b = 12;
long c = a+b;
System.out.println(c);
double d=5.12;
int d2=65/3;
double d3 = d/4;
int e=85%6;
System.out.println(d2);
System.out.println(d3);
System.out.println(e);
int g = 12;
g++;
System.out.println(g);
int f = 32;
f--;
g = 6;
int h = g++;
int i = g--;
System.out.println(h,i);
老师,为什么我找到了mycode却找不到我的Welcome.java?