C++ String front() function

C++ String front()

This function is used to reference a first character of the string.

Consider a string str. Syntax would be:

This function does not contain any parameter.

It is used to return a reference of the first character.

Let’s see the simple example.

  #include<iostream>  #include<string>  using namespace std;  int main()  {  string str =”12345″;  cout<<str.front();  return 0;  }  

Output:

Let’s see an another simple example.

  #include<iostream>  #include<string>  using namespace std;  int main()  {  string str =”tutorAspire”;  cout<<str.front();  return 0;  }  

Output:

Let’s see a simple example to modify first character using front() function.

  #include<iostream>  #include<string>  using namespace std;  int main()  {  string str =”hello World”;  str.front()=’H’;  cout<<str;  return 0;  }  

Output:

Hello World

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