jlabledemo.java

java课程的资料以及实验的代码

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

 class JLabelDemo extends JFrame{

  public JLabelDemo () {
    Container contentPane = getContentPane();
    ImageIcon ii = new ImageIcon("warning.gif");
    JLabel jl = new JLabel("Sample", ii, JLabel.CENTER);
    contentPane.add(jl);
 	}
 
  public static void main(String[] args){
  	JLabelDemo s=new JLabelDemo ();
  	s.setSize(300,200);
  	s.setVisible(true);
  }
}