列表框

package cn.rushangw.lesson06;

import javax.swing.*;
import java.awt.*;
import java.util.Vector;

public class TestComboboxDemo02 extends JFrame {
    public TestComboboxDemo02()  {
        Container container = getContentPane();

        //生成列表的内容
       //String[] contents = {"1","2","3"};

        Vector contents = new Vector();
        //列表中放入数据
        JList jList = new JList(contents);

        contents.add("1");
        contents.add("3");
        contents.add("2");

        container.add(jList);


        setVisible(true);
        setBounds(1,1,500,550);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

    }

    public static void main(String[] args) {
        new TestComboboxDemo02();
    }
}