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Create a simply integer class called EasyInt that will keep track of one integer:

  • so have a global int variable
  • have two constructors:
    • a. with no paramater such that when constructed have its value automatically set to 0
    • b. with one parameter where when constructed have its value set to the parameter
  • have a method called setValue that will take in a number and set the global value to that
  • have a method called getValue
  • have a method called isEven which will return true or false
  • have a method called toString

Now try predicting the output here.

 

Lets play with references. Try this worksheet out.

 

What did you learn?

 

Now lets try with this code: