Write the implementation (.cpp file) of the Counter class of the previous exerci

Question

Write the implementation (.cpp file) of the Counter class of the previous exercise. The full specification of the class is: A data member counter of type int . An data member named counterID of type int . A static int data member named nCounters which is initialized to 0 . 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 (new) value of nCounters to counterID . A function called increment that accepts no parameters and returns no value. increment adds one to the instance variable counter . A function called decrement that accepts no parameters and returns no value. decrement subtracts one from the counter . A function called getValue that accepts no parameters. It returns the value of the instance variable counter . A function named getCounterID that accepts no parameters and returns an int . getCounterID returns the value of the data member counterID .

Explanation / Answer

class Counter { int counter; int limit; static int nCounters; public: Counter(int cnt, int lim); void increment(); void decrement(); int getValue() const; static int getNCounters(); }; Counter::Counter(int a, int b) : counter(a), limit(b) { nCounters++; } // increment and decrement were ok. int Counter::getValue() const { return counter; } int Counter::getNCounters() { return nCounters; } int Counter::nCounters = 0;

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