How to swap two numbers without using a third variable?
270
16-Nov-2021
Mukul Goenka
16-Nov-2021public class SwapNumberWithoutThierdVariable{public static void swapNumbers(int a, int b) {
b = b + a;
a = b - a;
b = b - a;
}
public static void main(String[] args) {
int a = 10;
int b = 20;
swapNumbers(a, b);
System.out.printf("a is %d, b is %d", a, b); // a is 10, b is 20
}
}