frameflowlayout.java

JAVA的例子程序

import javax.swing.*;
import java.awt.FlowLayout;
import java.awt.event.*;
public class frameFlowlayout extends JFrame{
    private JButton JButton1=new JButton("Flow1");
    private JButton JButton2=new JButton("Flow2");
    private JButton JButton3=new JButton("Flow3");
    private JButton JButton4=new JButton("Flow4");
    private JButton JButton5=new JButton("Flow5");
    public frameFlowlayout(){
        super("frameFlowLayout");
        setSize(300,120);
        FlowLayout f1=new FlowLayout(4,10,10);
        JPanel jpanel1=new JPanel();
        jpanel1.setLayout(f1);
        jpanel1.add(JButton1);
        jpanel1.add(JButton2);
        jpanel1.add(JButton3);
        jpanel1.add(JButton4);
        jpanel1.add(JButton5);
        this.setContentPane(jpanel1);
        }
    public static void main(String args[]){
        frameFlowlayout ff1=new frameFlowlayout();
        ff1.show();
        ff1.addWindowListener(new WindowAdapter(){
        public void windowClosing(WindowEvent e){
            System.exit(0);
            }
        });
        }
    }