Java图形界面——窗体图标设置、拆分窗格

/*
* 词霸
*/
package com.test.swing;
import java.awt.*;
import javax.swing.*;

public class Test4 extends JFrame{
//定义组件
JSplitPane jsp;	//拆分窗格
JLabel jlb;
JList jlist;
public static void main(String[] args) {
Test4 test4 = new Test4();

}
//构造函数
public Test4(){
jsp = new JSplitPane();
String []words = {"ah","apple","array","all"};
jlist = new JList(words);
jlb = new JLabel(new ImageIcon("images/aa.jpg"));

jsp = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, jlist, jlb);//水平拆分
jsp.setOneTouchExpandable(true);//单击扩展面板
this.add(jsp);

this.setIconImage(new ImageIcon(("images/t.gif")).getImage());//设置窗体图标
this.setTitle("词霸");
this.setSize(510, 260);
this.setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}