Swap Two Numbers in Java

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Q. Write a Java program to swap two numbers using a temp variable

 import java.util.Scanner;

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

        // Input two numbers
        System.out.print("Enter the first number: ");
        int num1 = scanner.nextInt();

        System.out.print("Enter the second number: ");
        int num2 = scanner.nextInt();

        // Display original values
        System.out.println("Before swapping: num1 = " + num1 + ", num2 = " + num2);

        // Swap using a temporary variable
        int temp = num1;
        num1 = num2;
        num2 = temp;

        // Display swapped values
        System.out.println("After swapping: num1 = " + num1 + ", num2 = " + num2);

        scanner.close();
    }
}
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Q. Write an algorithm to swap two numbers using a temp variable

1. Start
2. Read two numbers: num1 and num2
3. Store num1 in a temporary variable: temp = num1
4. Assign num2 to num1: num1 = num2
5. Assign temp to num2: num2 = temp
6. Print the swapped values
7. End
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