package Chapter5;

public class TestPassByValue {
 /** Main method */
 public static void main(String[] args) {
 // Declare and initialize variables
 int num1 = 1;
 int num2 = 2;

 System.out.println("Before invoking the swap method, num1 is " +
 num1 + " and num2 is " + num2);

 // Invoke the swap method to attempt to swap two variables
 swap(num1, num2);

 System.out.println("After invoking the swap method, num1 is " +
 num1 + " and num2 is " + num2);
 }

 /** Swap two variables */
 public static void swap(int n1, int n2) {
 System.out.println("\tInside the swap method");
 System.out.println("\t\tBefore swapping n1 is " + n1
 + " n2 is " + n2);

 // Swap n1 with n2
 int temp = n1;
 n1 = n2;
 n2 = temp;

 System.out.println("\t\tAfter swapping n1 is " + n1
 + " n2 is " + n2);
 }
}