package Question17_1;
public class Question {
public static void swap(int a, int b) {
// Example for a = 9, b = 4
a = a - b; // a = 9 - 4 = 5
b = a + b; // b = 5 + 4 = 9
a = b - a; // a = 9 - 5
System.out.println("a: " + a);
System.out.println("b: " + b);
}
public static void swap_opt(int a, int b) {
a = a^b;
b = a^b;
a = a^b;
System.out.println("a: " + a);
System.out.println("b: " + b);
}
public static void main(String[] args) {
int a = 1672;
int b = 9332;
System.out.println("a: " + a);
System.out.println("b: " + b);
swap(a, b);
swap_opt(a, b);
}
}