Java Program to Check for Leap Year

WAP to check for leap year in Java

Logical Steps:

To check the leap year, follow these steps:
1. Take a year variable.
2. Apply the leap year conditions:
  - A year is a leap year if:
    - It is divisible by 400, OR
    - It is divisible by 4 but NOT divisible by 100.
3. Use an if-else statement for the condition:
  - If the above conditions are true, the year is a leap year.
  - Otherwise, it is not a leap year.
4. Print the result.

Program:

Below is the simple program:

public class CheckLeapYear
{
    public static void main(String[] args)
    {
        int year = 2025;

        // Check if the year is a leap year using conditional logic
        if ((year % 400 == 0) || (year % 4 == 0 && year % 100 != 0))
        {
            System.out.println(year + " is a leap year.");
        }
        else
        {
            System.out.println(year + " is not a leap year.");
        }
    }
}

Output:

2025 is not a leap year.

Below is the program by taking user input:

import java.util.Scanner;

public class CheckLeapYear
{
    public static void main(String[] args)
    {
        // Import Scanner Class to take user input
        Scanner scanner = new Scanner(System.in);

        // Take input from the user
        System.out.print("Enter a year: ");
        int year = scanner.nextInt();

        // Check if the year is a leap year using conditional logic
        if ((year % 400 == 0) || (year % 4 == 0 && year % 100 != 0))
        {
            System.out.println(year + " is a leap year.");
        }
        else
        {
            System.out.println(year + " is not a leap year.");
        }

        // Close the scanner to release resources
        scanner.close();
    }
}

Output:

Enter a year: 2024
2024 is a leap year.

Program Explanation:

Import Scanner Class:
- The Scanner class is imported to take user input.
Declare a Variable:
- An integer variable (year) is declared to store the user’s input.
Take Input:
- The program prompts the user to enter an integer, and scanner.nextInt() reads the input and stores it in the year variable.
Leap Year Logic:
- The if condition checks two scenarios:
  - If the year is divisible by 400, it is a leap year.
  - If the year is divisible by 4 but NOT divisible by 100, it is also a leap year.
- If neither condition is true, the year is not a leap year.
Display the Result:
- The program prints whether the given year is a leap year or not.
Close Scanner:
- The scanner.close() method is used to close the input stream and release resources.

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WAP to check for leap year in Java

Logical Steps:

Program:

Output:

Output:

Program Explanation:

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