Fundamentals of Object-Oriented Programming - C++ - Function Templates

The video tutorial covers function overloading and template functions in C++. It begins by explaining how different functions can share the same name if their return types or parameters differ, using an example of a sum function for integers. It then demonstrates overloading the sum function to handle floating point numbers, ensuring decimal values are preserved. Finally, the tutorial introduces template functions, which allow a single function to work with various data types, showcasing how to implement and use them in C++.

What is the main advantage of function overloading in C++?

• It reduces the memory usage of a program.

• It simplifies the syntax of the language.

• It enables functions to execute faster.

• It allows functions to have the same name but different return types or parameters.

Why does the initial sum function fail to add floating-point numbers correctly?

• Because it does not use the correct arithmetic operators.

• Because it only accepts integer parameters.

• Because it is not defined in the main function.

• Because it lacks a return statement.

How does overloading the sum function help in handling floating-point numbers?

• By changing the function name.

• By using a different return type and parameter types.

• By adding more parameters.

• By removing the return statement.

What is a key feature of template functions in C++?

• They allow a single function to work with multiple data types.

• They increase the execution speed of a program.

• They reduce the number of lines of code.

• They automatically optimize memory usage.

What keyword is used to start a function template in C++?

• class

• template

• typename

• function

In the template function example, what does 'T' represent?

• A constant value.

• A function name.

• A generic type that can be replaced with any data type.

• A specific data type like int or double.

How does the main function demonstrate the use of template functions?

• By using only integer values.

• By defining multiple template functions.

• By calling the template function with different data types and printing the results.

• By not using any template functions.