Write a full class definition for a class named Counter, and containing the following members: A data member counter of type int. A constructor that accepts no arguments and initializes the counter data member to 0. A function called increment that accepts no parameters and returns no value. increment adds one to the counter data member. A function called getValue that accepts no parameters. It returns the value of the instance variable counter.

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Click on the title for the solution
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This is the answer:

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class Counter{
private:
int counter = 0;

public:
void increment(){
counter++;
}

public:
int getValue(){
return counter;
}
};

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. . Click on the title for the solution . . This is the answer: : #include <iostream> #include <fstream> #include <string> using namespace std; void lookup(); void add(); int main() { string type; while (cin >> type) { if (type == "lookup") lookup(); else  add(); } return 0; } void lookup() { ifstream fin; fin.open("phonedir"); if(!fin.is_open()) cout << "Not Open" << endl; bool check = false; string name,firstName,lastName,email; cin >> name; while (fin >> firstName >> lastName >> email) { if (firstName== name || lastName==name) { cout<<firstName<<" "<<lastName<<" "<<email<<endl; check=true; } } if(!check) cout << name << ": not found" << endl; fin.close(); } void add() { ofstream fout; string name; string fir...
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