swap three variables in java without using temporary variable
// swap three variables in java without using temporary variable public class SwapThreeNumbersWithoutTemp { static int num1, num2, num3; public static void main(String[] args) { num1 = 30; num2 = 60; num3 = 90; System.out.println("Before swapping three numbers: num1 = " + num1 + ", num2 = " + num2 + ", num3 = " + num3); swapWithoutTemporary(); System.out.println("After swapping three numbers: num1 = " + num1 + ", num2 = " + num2 + ", num3 = " + num3); } static void swapWithoutTemporary() { num1 = num1 + num2 + num3; num2 = num1 - (num2 + num3); num3 = num1 - (num2 + num3); num1 = num1 - (num2 + num3); } }