C++ String front()This function is used to reference a first character of the string. SyntaxConsider a string str. Syntax would be: ParameterThis function does not contain any parameter. Return valueIt is used to return a reference of the first character. Example 1Let's see the simple example. Output: 1 Example 2Let's see an another simple example. Output: j Example 3Let's see a simple example to modify first character using front() function. Output: Hello World
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