findmin.java

针对越来越多的用户喜欢JAVA

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
 
public class FindMin	extends	Applet	implements	ActionListener
{
	Label	result;
	TextField	in1,in2,in3;
	Button	btn1,btn2;
	int a=0,b=0,c=0,min;
	
	public  void  init()
	{
		result=new Label("请先输入三个待比较的整数");
		in1=new TextField(5);
		in2=new TextField(5);
		in3=new TextField(5);
		btn1=new Button("比较");
		btn2=new Button("关闭");
		add(in1);
		add(in2);
		add(in3);
		add(btn1);
		add(btn2);
		add(result);
		btn1.addActionListener(this);
		btn2.addActionListener(this);	
	}
	
	public void actionPerformed(ActionEvent	e)
	{
		if	(e.getSource()==btn1)
		{  a=Integer.parseInt(in1.getText());
		   b=Integer.parseInt(in2.getText());
		   c=Integer.parseInt(in3.getText());
		
		   min=a;
		   if (b<min)
		    	min=b;
		   if(c<min)
			    min=c;
		   result.setText("三数中最小值是:"+min);
         }
		  else 
		   System.exit(0);
}
}