string pop_back() in C++

pop_back(): This function removes the last character from the given string.

Note: The string must be non-empty for this function.

Parameter: No parameters are required for this function.

Syntax:

str.pop_back()

For Example:

str  = "abc"

str.pop_back() => It removes last character (i.e 'c') from string and string becomes "ab".

Approach

C++

#include <bits/stdc++.h>
using namespace std;

int main()
{
    string str = "abc";

    str.pop_back();

    cout << str << "\n";

    return 0;
}