我有一个练习让Java跳蛙游戏！但我遇到了延迟（睡眠，动画）的麻烦！我不能慢慢来！谢谢阅读。 这是视频游戏：
这是我的java代码，虽然我使用线程睡眠，但它并没有延迟过程：
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/**
*
* @author gamekvnn
*/
public class FrogGame extends javax.swing.JFrame {
/**
* Creates new form ba
*/
public FrogGame() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jPanel1 = new javax.swing.JPanel();
frog1 = new javax.swing.JLabel();
frog2 = new javax.swing.JLabel();
frog3 = new javax.swing.JLabel();
fr0g2 = new javax.swing.JLabel();
fr0g1 = new javax.swing.JLabel();
fr0g3 = new javax.swing.JLabel();
jButton1 = new javax.swing.JButton();
background = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jPanel1.setLayout(null);
frog1.setIcon(new javax.swing.ImageIcon("/home/gamekvnn/NetBeansProjects/Project/src/frog1.png")); // NOI18N
jPanel1.add(frog1);
frog1.setBounds(10, 310, 80, 80);
frog2.setIcon(new javax.swing.ImageIcon("/home/gamekvnn/NetBeansProjects/Project/src/frog1.png")); // NOI18N
jPanel1.add(frog2);
frog2.setBounds(110, 310, 80, 80);
frog3.setIcon(new javax.swing.ImageIcon("/home/gamekvnn/NetBeansProjects/Project/src/frog1.png")); // NOI18N
jPanel1.add(frog3);
frog3.setBounds(210, 310, 80, 80);
fr0g2.setIcon(new javax.swing.ImageIcon("/home/gamekvnn/NetBeansProjects/Project/src/frog2.png")); // NOI18N
jPanel1.add(fr0g2);
fr0g2.setBounds(510, 310, 80, 80);
fr0g1.setIcon(new javax.swing.ImageIcon("/home/gamekvnn/NetBeansProjects/Project/src/frog2.png")); // NOI18N
jPanel1.add(fr0g1);
fr0g1.setBounds(610, 310, 80, 80);
fr0g3.setIcon(new javax.swing.ImageIcon("/home/gamekvnn/NetBeansProjects/Project/src/frog2.png")); // NOI18N
jPanel1.add(fr0g3);
fr0g3.setBounds(410, 310, 80, 80);
jButton1.setText("Start");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jPanel1.add(jButton1);
jButton1.setBounds(520, 20, 100, 29);
background.setIcon(new javax.swing.ImageIcon("/home/gamekvnn/NetBeansProjects/Project/src/UZKEjzG.png")); // NOI18N
jPanel1.add(background);
background.setBounds(0, 0, 710, 440);
background.getAccessibleContext().setAccessibleName("background");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, 708, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, 442, Short.MAX_VALUE)
);
pack();
}// </editor-fold>
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
frog3.setLocation(frog3.getX()+100, frog3.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
fr0g3.setLocation(fr0g3.getX()-200, fr0g3.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
fr0g2.setLocation(fr0g2.getX()-100, fr0g2.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
frog3.setLocation(frog3.getX()+200, frog3.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
frog2.setLocation(frog2.getX()+200, frog2.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
frog1.setLocation(frog1.getX()+100, frog1.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
fr0g3.setLocation(fr0g3.getX()-200, fr0g3.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
fr0g2.setLocation(fr0g2.getX()-200, fr0g2.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
fr0g1.setLocation(fr0g1.getX()-200, fr0g1.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
frog3.setLocation(frog3.getX()+100, frog3.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
frog2.setLocation(frog2.getX()+200, frog2.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
frog1.setLocation(frog1.getX()+200, frog1.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
fr0g2.setLocation(fr0g2.getX()-100, fr0g2.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
fr0g1.setLocation(fr0g1.getX()-200, frog1.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
frog1.setLocation(frog1.getX()+100, frog1.getY());
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(FrogGame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(FrogGame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(FrogGame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(FrogGame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new FrogGame().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JLabel background;
private javax.swing.JLabel fr0g1;
private javax.swing.JLabel fr0g2;
private javax.swing.JLabel fr0g3;
private javax.swing.JLabel frog1;
private javax.swing.JLabel frog2;
private javax.swing.JLabel frog3;
private javax.swing.JButton jButton1;
private javax.swing.JPanel jPanel1;
// End of variables declaration
}