Determining If a Year Is a Leap Year

       

import java.util.GregorianCalendar;

public class Main {
  public static void main(String[] argv) throws Exception {

    GregorianCalendar cal = new GregorianCalendar();
    boolean b = cal.isLeapYear(1998); // false
    b = cal.isLeapYear(2000); // true
    b = cal.isLeapYear(0); // true
  }
}

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Determining If a Year Is a Leap Year : Calendar Date « Development Class « Java

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