Suggest a Universal Systems Model that would help to solve one of the following problems: • the creation of a new Olympic sports park
• cleaning up of an oil spill
• writing a book/piece of music
What will the inputs and the outputs be? What are the processes? Ensure that you describe all the different types of outputs. Also, include the
feedback in this model.

What makes myhexadecimalnumber a child of mynumber? which methods does myhexadecimalnumber inherit directly from the mynumber class? what can an instance of the mynumber class do? what can an instance of the myhexadecimalnumber class do? which methods are overridden? why are they overridden? how many examples of overloading are there? why was this done? where is the super keyword used? what is it doing? why isn’t the incoming value set immediately in the second myhexadecimalnumber constructor? how many examples can you find of an inherited method being called?