* Java always passes arguments _by value_, NOT by reference. 1. Declaring a reference named `f` of type `Foo` and assign it a new object of type `Foo` with an attribute `"f"`. 2. From the method side, ...

Exercise: Swapping Two Numbers Objective: The objective of this exercise is to practice creating a program that swaps the values of two integer variables using a method that employs pass by value.