import java.util.Scanner;

public class EvenOrOdd {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter a number: ");
        int number = scanner.nextInt();


				






        if (number % 2 == 0) {
            System.out.println(number + " is an even number.");
        } else {
            System.out.println(number + " is an odd number.");
        }

        scanner.close();
    }
}

 
import java.util.Scanner;

public class LeapYearCheck {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter a year: ");
        int year = scanner.nextInt();

        boolean isLeapYear = false;

        if (year % 4 == 0) {
            if (year % 100 == 0) {
                if (year % 400 == 0) {
                    isLeapYear = true;
                }
            } else {
                isLeapYear = true;
            }
        }

        if (isLeapYear) {
            System.out.println(year + " is a leap year.");
        } else {
            System.out.println(year + " is not a leap year.");
        }

        scanner.close();
    }
}

 
import java.util.Scanner;

public class AlphabetCheck {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter a character: ");
        char ch = scanner.next().charAt(0);

        boolean isAlphabet = (ch >= 'a' && ch <= 'z') 
        || (ch >= 'A' && ch <= 'Z');

        if (isAlphabet) {
            System.out.println(ch + " is an alphabet.");
        } else {
            System.out.println(ch + " is not an alphabet.");
        }

        scanner.close();
    }
}

 
import java.util.Scanner;

public class PrimeNumberCheck {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter a number: ");
        int number = scanner.nextInt();


				





        boolean isPrime = true; // Assume the number is prime initially

        if (number <= 1) {
            isPrime = false; // Numbers less than or equal to 1 are not prime
        } else {
            // Check divisibility of the number from 2 up to the square root of the number
            for (int i = 2; i <= Math.sqrt(number); i++) {
                if (number % i == 0) {
                    isPrime = false; // Number is divisible, hence not prime
                    break;
                }
            }
        }

        if (isPrime) {
            System.out.println(number + " is a prime number.");
        } else {
            System.out.println(number + " is not a prime number.");
        }

        scanner.close();
    }
}

 
import java.util.Scanner;

public class FibonacciSeries {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter the number of terms ");
        int n = scanner.nextInt();

        int firstTerm = 0;
        int secondTerm = 1;

        System.out.print(firstTerm + " " + secondTerm);

        for (int i = 3; i <= n; i++) 
           {
            int nextTerm = firstTerm + secondTerm;
            System.out.print(" " + nextTerm);

            firstTerm = secondTerm;
            secondTerm = nextTerm;
        }

        scanner.close();
    }
}

 
import java.util.Scanner;

public class Factorial {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter a number: ");
        int number = scanner.nextInt();

        int factorial = 1;

        for (int i = 1; i <= number; i++) {
            factorial *= i;
        }

        System.out.println("The factorial of " + number + " is " + factorial);

        scanner.close();
    }
}

 
import java.util.Scanner;

public class MultiplicationTable {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter the number: ");
        int number = scanner.nextInt();

        System.out.println("Multiplication Table for " + number + ":");

        for (int i = 1; i <= 10; i++) {
            int result = number * i;
            System.out.println(number + " * " + i + " = " + result);
        }

        scanner.close();
    }
}