Java - Coding Challenge 4 - LeapYear

gistfile1.txt

public class LeapYear {

    public static boolean isLeapYear(int year) {

        if (year < 1 || year > 9999) {
            return false;
        }

        if (year % 4 == 0) {
            if (year % 100 == 0) {
                if (year % 400 == 0) {
                    return true;
                }
                return false;
            }
            return true;
        }
        return false;
    }
}

public class LeapYear {
    public static boolean isLeapYear(int year){
        if(year<1 || year>9999){
            return false;
        }else{
            if(!(year%4==0)){
                return false;
            }else{
                if(!(year%100==0)){
                    return true;
                }else{
                    if(!(year%400==0)){
                        return false;
                    }
                    return true;
                }
            }
        }
    }
}