public static void main(String[] args) { int a = 100; int b = 20; System.out.println("a = " +a+ ", b = " + b); int temp = a; a = b; b = temp; System.out.println("a = " +a+ ", b = " + b); } } //output: a = 100, b = 20 a = 20, b = 100
public static void main(String[] args) { int a = 100; int b = 20; System.out.println("a = " +a+ ", b = " + b); int temp = a; a = b; b = temp; System.out.println("a = " +a+ ", b = " + b); } } //output: a = 100, b = 20 a = 20, b = 100