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CPP Keywords

There are a list of words already defined in CPP library, same as in C. These reserved words are called as CPP Keywords. Every keyword is defined to serve a specific purpose. These keywords when used in CPP codes performs a specific operation during compilation. A Keyword in CPP is restricted to be used as a variable, a function or an identifier.

Keywords used in CPP are listed below:

 

autodoubleintstruct
break elselongswitch
caseenumregistertypedef
charexternreturnunion
constfloatshortunsigned
continueforsignedvoid
defaultgotosizeofvolatile
doifstaticwhile

Example:

#include <iostream.h>
using namespace std; 
int main()
{
int num;
cout << "Enter your age: ";
cin >> num;
cout << “You are ” << num << “ years old.”; 
return 0;
}

Output:

Enter your age: 10
You are 10 years old.
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