java小程序实例 闰年

判断闰年.

package com.test;





import java.util.Scanner;





import org.junit.Test;





public class TestRunNian {





@Test

public void test1() {



Scanner scanner = new Scanner(System.in);



while (true) {

int year = scanner.nextInt();





if (year == -1) {

System.out.println("程序结束!");

return;

}





if (year < 100 || year > 3000) {

System.out.println("年份输入有误");

} else {

if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {

System.out.println("输入的年份是闰年");

} else {

System.out.println("输入的不是闰年");

}

}

}

}

}