我是学pb的，判断闰年的是isdate("2-28"),但在java里怎么判断呢？

Question

public class LeapYear{public static void main( String args[] ){int year=1989; //method 1if( (year%4==0 && year%100!=0) || (year%400==0) )System.out.println(year+" is a leap year.");elseSystem.out.println(year+" is not a leap year.");

Answer 1

year=2050;if( year%4==0){if( year%100==0 ){if( year%400==0)leap=true;elseleap=false;}elseleap=false;}elseleap=false;if( leap==true )System.out.println(year+" is a leap year.");elseSystem.out.println(year+" is not a leap year.");}}