‘壹’ 用java编一个程序能实现判断给定的年份是否为闰年
package com.ceshi.year;
import java.util.Scanner;
public class TestYear { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print("请输入要判定的年份:"); int year = scanner.nextInt(); if(year%4==0 || year%400==0) { System.out.println(year+" 是闰年"); } else { System.out.println(year+" 不是闰年"); } }}
‘贰’ 用Java程序判断是否是闰年
以下为代码:
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class LeapyearTest extends Applet implements ActionListener{
Label lblResult;
Button btn;
TextField txt;
int year;
boolean leap;
public void init() {
lblResult=new Label("请输入要判断的年份");
txt=new TextField(5);
btn=new Button("判断");
add(lblResult);
add(txt);
add(btn);
btn.addActionListener(this);
}
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
year=Integer.parseInt(txt.getText());
if(year%4==0&;&;(year%100)!=0)
{leap=true;
}
else if(year%400==0){
leap=false;
}
if(leap==true)
lblResult.setText(year+"年是闰年");
else
lblResult.setText(year+"年是平年");
txt.setText("");
}
}