Question
How to create a reference variable in c++?
Answers
Appending an ampersand (&) to the end of datatype makes a variable eligible to use as reference variable.int a = 20;int& b = a;The first statement initializes a an integer variable a. Second statement creates an integer reference initialized to variable a Take a look at the below example to see how reference variables work.int main (){ int   a; int&  b = a; a = 10; cout << "Value of a : " << a << endl; cout << "Value of a reference (b) : " << b  << endl; b = 20; cout << "Value of a : " << a << endl; cout << "Value of a reference (b) : " << b  << endl; return 0;}Above code creates following output.Value of a : 10Value of a reference (b) : 10Value of a : 20Value of a reference (b) : 20   Your Comment




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