Mention the ways in which parameterized can be invoked. Give an example of each.
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Answer / Lalit Kumar Saini
Parameterized functions or classes can be invoked in C++ in three ways: 1) Default Argument: When no argument is provided for a parameter that has a default value. Example: void greet(string name = 'World') { cout << 'Hello, ' << name << 'n'; } 2) Directly Providing Arguments: When specific arguments are provided to the function or class constructor. Example: vector<int> v(5); 3) Using Initializer Lists: When an initializer list is used to initialize a container. Example: vector<int> v = {1, 2, 3, 4, 5};
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