leap year checker java

1import java.util.Scanner;
2public class LeapYear {
3   public static void main(String[] args){
4      int year;
5      System.out.println("Enter an Year :: ");
6      Scanner sc = new Scanner(System.in);
7      year = sc.nextInt();
8
9      if (((year % 4 == 0) && (year % 100!= 0)) || (year%400 == 0))
10         System.out.println("Specified year is a leap year");
11      else
12         System.out.println("Specified year is not a leap year");
13   }
14}

1public class LeapYear {
2
3    public static void main(String[] args) {
4
5        int year = 1900;
6        boolean leap = false;
7
8        if(year % 4 == 0)
9        {
10            if( year % 100 == 0)
11            {
12                // year is divisible by 400, hence the year is a leap year
13                if ( year % 400 == 0)
14                    leap = true;
15                else
16                    leap = false;
17            }
18            else
19                leap = true;
20        }
21        else
22            leap = false;
23
24        if(leap)
25            System.out.println(year + " is a leap year.");
26        else
27            System.out.println(year + " is not a leap year.");
28    }
29}

1import java.time.LocalDate;
2import java.time.LocalDateTime;
3import java.time.Year;
4import java.time.ZonedDateTime;
5 
6public class Main 
7{
8    public static void main(String[] args) 
9    {
10        // 1. ZonedDateTime
11 
12        ZonedDateTime currentTime = ZonedDateTime.now();
13 
14        if (currentTime.toLocalDate().isLeapYear()) 
15        {
16            System.out.println(currentTime.getYear() + " is a leap year");
17        } else {
18            System.out.println(currentTime.getYear() + " is NOT a leap year");
19        }
20 
21        // 2. LocalDateTime
22 
23        LocalDateTime localDateTime = LocalDateTime.now();
24 
25        if (localDateTime.toLocalDate().isLeapYear()) 
26        {
27            System.out.println(localDateTime.getYear() + " is a leap year");
28        } else {
29            System.out.println(localDateTime.getYear() + " is NOT a leap year");
30        }
31         
32        // 3. LocalDate
33 
34        LocalDate localDate = LocalDate.now();
35 
36        if (localDate.isLeapYear()) 
37        {
38            System.out.println(localDate.getYear() + " is a leap year");
39        } else {
40            System.out.println(localDate.getYear() + " is NOT a leap year");
41        }
42         
43        //4. Check current year is leap year or not
44 
45        if (Year.now().isLeap()) 
46        {
47            System.out.println("Current year is a leap year");
48        } else {
49            System.out.println("Current year is NOT a leap year");
50        }
51    }
52}
53