Java常用的组件，AWT

面板，标签。面板添加标签
标签示例代码 ：
package com.ejvqa.learn02;


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


 import org.omg.CORBA.PUBLIC_MEMBER;


 public class JLableTest extends JFrame{
private JPanel jp=new JPanel();
public JLableTest(){
JLabel jl=new JLabel("我是一个标签，你看不到我的边界");
System.out.println(jl.getText());
jl.setText("可以重新设置标签内容");
System.out.println(jl.getText());
jp.add(jl);
this.add(jp);
this.setTitle("显示标签");
this.setBounds(400, 400, 400, 400);
this.setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);


}

public static void main(String[] args) {
JLableTest JB=new JLableTest();


}





 }