Overview


We will develop three programs:


Note that in this excercise the files have been provided. You will just be adding a few lines of code to each file and then compiling and running the programs.

We can refer to this example for this challenge problem.

Objectives


The objectives of this assignment are (relative to Java):


Note: by "JAVA" file we mean a file ending in extension "java", e.g. "Foo.java"