Java | Functions | Question 3

class Test { 
public static void swap(Integer i, Integer j) { 
      Integer temp = new Integer(i); 
      i = j; 
      j = temp; 
   } 
   public static void main(String[] args) { 
      Integer i = new Integer(10); 
      Integer j = new Integer(20); 
      swap(i, j); 
      System.out.println("i = " + i + ", j = " + j); 
   } 
} 

(A) i = 10, j = 20
(B) i = 20, j = 10
(C) i = 10, j = 10
(D) i = 20, j = 20

Answer: (A)

Explanation: Parameters are passed by value in Java

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