When an object is passed by reference, its memory address is passed to the function so the called function works directly on the original object used in the function call. So any changes made to the object inside the function definition are reflected in original object.
}
Output:
Example program for Pass by reference
Value of object 1 before passing 10
Value of object 2 before passing 20
Changed value of object 1 100
Changed value of object 2 200
Value of object 1 after passing 100
Value of object 2 after passing 200
