should be using counterID

Should be using getCounterID

Should be using nCounters

Write the definition of a class Counter containing:

An instance variable named counter of type int.

An instance variable named counterID of type int.

A static int variable nCounters which is initialized to zero.

A constructor that takes an int argument and assigns its value to counter. It also adds one to the static variable nCounters and assigns the result to the instance variable counterID.

A method named increment. It does not take parameters or return a value; it just adds one to the instance variable counter.

A method named decrement that also doesn't take parameters or return a value; it just subtracts one from the counter.

A method named getValue. It returns the value of the instance variable counter.

A method named getCounterID: it returns the value of the instance variable counterID.