C++ Vector front() function

C++ Vector front() function tutorial for beginners and professionals with examples on assign(), at(), back(), begin(), capacity(), cbegin(), cend(), clear(), crbegin(), crend(), data(), emplace(), end(), front(), rbegin(), resize(), size(), swap() etc.

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C++ Vector front()

It gives a reference to the first element of vector.

Syntax

Consider a vector.Syntax would be:

v.front();

Parameter

This function does not contain any parameter.

Return value

This function returns the first element of the vector.

Example 1

Let's see a simple example.

#include<iostream>
#include<vector>
using namespace std;
int main()
{
vector<string>  language{"java","C","C++"};
cout<<language.front();
return 0; 
}

Output:

java

In this example, front() function displays the first element of language object.

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