Conditional Execution Demo- To determine particular year is a leap year or not.

LeapYearExample.java

/**
 * To determine that particular year is a leap year or not
 * Note:
 * A year is a leap year if the following conditions are satisfied:
 *     The year is multiple of 400.
 *     The year is multiple of 4 and not multiple of 100.
 *  According to these rules, the years 2000 and 2400 are leap years, while 1800, 1900, 2100, 2200, 2300, and 2500 are not leap years.
 *  References:
 *  https://www.timeanddate.com/date/leapyear.html
 *  https://www.wikihow.com/Calculate-Leap-Years
 * */
public class LeapYearExample {
    public static void main(String[] args) {
        int year=2000;
        if(((year%4==0) && (year%100!=0)) || (year%400==0)){
            System.out.println(year + " is a leap year");
        }
        else{
            System.out.println(year + " is not a leap year");
        }
    }
}