java面板

import java.awt.Color;
import java.awt.Container;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.SwingConstants;


public class zengzhiwei01 extends JFrame {
//    public static void main(String agrs[]) {
//        System.out.println("hello world!");
//        String agrs1[] = {"1","2","3"};
//         for (int i = 0; i < agrs1.length; i++) {
//            System.out.println(agrs1[i]);
//        }
//    }
    
    private JTabbedPane tabbedPane;
    private JLabel label1,label2,label3;
    private JPanel panel1,panel2,panel3;
    public zengzhiwei01(){
        super("选项卡窗口");
        setSize(400,300);
        
        Container c = getContentPane();
        tabbedPane = new JTabbedPane();     //创建选项卡面板界面
        //创建标签 
        label1 = new JLabel("the first label panel",SwingConstants.CENTER);
        label2 = new JLabel("the secend label panel",SwingConstants.CENTER);
        label3 = new JLabel("the third label panel",SwingConstants.CENTER);
        //创建面板
        panel1 = new JPanel();
        panel2 = new JPanel();
        panel3 = new JPanel();
        
        panel1.add(label1);
        panel2.add(label2);
        panel3.add(label3);
        
        panel1.setBackground(Color.yellow);
        panel2.setBackground(Color.black);
        panel3.setBackground(Color.blue);
        //将标签面板加入到选项卡面板对象上
        tabbedPane.addTab("标签1", null,panel1,"First panel");
        tabbedPane.addTab("标签2", null, panel2, "Second panel");
        tabbedPane.addTab("标签", null, panel3, "Third panel    ");
        
        
        c.add(tabbedPane);
        c.setBackground(Color.white);
        
        setVisible(true);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        
    }
    public static void main(String agrs[]){
        zengzhiwei01 z = new zengzhiwei01();
    }
}