Lab exercise LAB02 is displayed below

Using as a reference the lab exercises in Lab02, and in particular the third exercise in the document "How to swap or exchange objects in java.pdf, implement a passing by reference of the parameters in the function swap. For this purpose define the class IntWrapper as a wrapper of an integer. Define the class IntWrapper as an inner class on the class Main. Concepts in practice: Passing of arguments, Passing by value versus Passing by reference