JButton package of commonly used components import java.awt.event.ActionEvent import java.awt.event.ActionListener import java.awt.event.WindowAdapter import java.awt.event.WindowEvent import javax.swing.JButton import javax.swing.JFrame import javax.swing.JLabel import javax.swing.JPanel public class TestJButton {public static void main (String [] args) {new MyFrame () }} class MyFrame extends JFrame

常用组件之JButton\TestJButton.java
.................\TestJButton2.java
常用组件之JButton

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