panelexam.java

java学习课件

package ch7;
import java.awt.*;
public class PanelExam extends Frame
{
  Panel p1; 
  public PanelExam()
  {
  	p1=new Panel();
  	p1.setBounds(100,100,50,50);
  	p1.setBackground(Color.red);
  	this.add(p1);
  	this.setTitle("Frame容器窗口示例程序");
  	this.setSize(400,300);
  	this.setBackground(Color.blue);
  	this.setVisible(true);
  }	
  public static void main(String [] args)
  {
  	new PanelExam();
  }
}