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C++ String pop_back()This function is used to remove a last character of a string, decreasing its length by one. SyntaxConsider a string str. Syntax would be : str.pop_back(); ParametersThis function does not contain any parameter. Return valueThis function does not return any value. Example 1Let's see the simple example. #include<iostream> using namespace std; int main() { string str ="javac"; str.pop_back(); cout<<str; return 0; } Output: java
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