Write a full class definition for a class named Counter, and containing the foll
ID: 3728626 • Letter: W
Question
Write a full class definition for a class named Counter, and containing the following members:
A data member counter of type int.
A data member named limit of type int.
A static int data member named nCounters which is initialized to 0.
A constructor that takes two int arguments and assigns the first one to counter and the second one to limit. It also adds one to the static variable nCounters
A member function called increment that accepts no parameters and returns no value. If the data member counter is less than limit, increment just adds one to the instance variable counter.
A member function called decrement that accepts no parameters and returns no value. If counter is greater than zero, decrement subtracts one from the counter.
A member function called getValue that accepts no parameters. It returns the value of the instance variable counter.
A static function named getNCounters that accepts no parameters and returns an int. getNCounters returns the value of the static variablenCounters.
Explanation / Answer
public class Counter {
private int counter;
private int limit;
private static int nCounters = 0;
public Counter(int c, int l) {
counter = c;
limit = l;
nCounters++;
}
public void increment() {
if(counter < limit)
counter++;
}
public void decrement() {
if(counter > 0)
counter--;
}
public int getValue() {
return counter;
}
public static int getNCounters() {
return nCounters;
}
}
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