findmax.java

来自「用java的数据类型比较大小」· Java 代码 · 共 49 行

import java.applet.*;
import java.awt.*;
import java.awt.event.*;

/*
	example 3-7: Find Maximum integer
*/
public class FindMax extends Applet implements ActionListener
{
	Label result;
	TextField in1,in2,in3;
	Button btn;
	int a=0,b=0,c=0,max;
	
	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);
		btn = new Button("比较");
		add(in1);
		add(in2);
		add(in3);
		add(btn);
		add(result);
		btn.addActionListener(this);
	}
	
	public void actionPerformed(ActionEvent e)
	{
		a = Integer.parseInt(in1.getText());
		b = Integer.parseInt(in2.getText());
		c = Integer.parseInt(in3.getText());
		
		if(a>b)
			if(a>c)
				max = a;
			else
				max = c;
		else
			if(b>c)
				max = b;
			else
				max = c;
		result.setText("三个数中最大值是:"+max);
	}
	
}