用JAVA写的简单GUI

import java.awt.*; import javax.swing.*; import java.awt.event.*; import javax.swing.event.*; class myFrame extends JFrame implements ActionListener{ JButton button; JTextField textField1; JTextField textField2; JTextField textField3; JLabel label1,label2,label3,label4; myFrame(){ super("GUI exercise"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); button=new JButton("total"); textField1=new JTextField(10); textField2=new JTextField(10); textField3=new JTextField(10); label1=new JLabel("name: "); label2=new JLabel("English: "); label3=new JLabel("computer:"); label4=new JLabel(); Container contentPane=getContentPane(); contentPane.setLayout(new FlowLayout()); contentPane.add(label1); contentPane.add(textField1); contentPane.add(label2); contentPane.add(textField2); contentPane.add(label3); contentPane.add(textField3); contentPane.add(button); contentPane.add(label4); button.addActionListener(this); textField1.addActionListener(this); textField2.addActionListener(this); textField3.addActionListener(this); setVisible(true); } .......