{"id":61286,"date":"2019-06-28T16:49:55","date_gmt":"2019-06-28T11:19:55","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=61286"},"modified":"2021-07-22T23:12:34","modified_gmt":"2021-07-22T17:42:34","slug":"function-and-operator-overloading-in-cpp","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/function-and-operator-overloading-in-cpp\/","title":{"rendered":"Function and Operator Overloading in C++ | Become an Expert in 7 Min"},"content":{"rendered":"

As the name itself suggests, the term \u201coverloading\u201d refers to assigning multiple operations to a single entity. So, overloading in C++ refers to the capability of an identifier to be used in order to define multiple methods that differ in terms of parameters.<\/em><\/p>\n

Today, we’ll explore every aspect of Function and Operator Overloading in C++.\u00a0This article would help you gain the essence of polymorphism by learning in detail two of its implementation techniques called function overloading and operator overloading.<\/p>\n

In order to avoid any\u00a0confusion between function overloading and\u00a0polymorphism in C++<\/a><\/strong><\/em>, refer to this link in which we have made clear the differences between the two.<\/p>\n

Significance of Overloading in C++<\/h2>\n

It is a healthy practice to use function overloading and operator overloading in C++ because if any errors are present in the code, they are resolved before runtime as function and operator overloading in C++ are types of compile-time polymorphism.<\/p>\n

If any errors persist during compile-time, they can easily be rectified and hence any scope of runtime errors are eliminated and the runtime performance of the program increases.<\/p>\n

\"Function<\/a><\/p>\n

What is Function Overloading in C++<\/h2>\n

C++ offers the use of the concept of function overloading to make the code less redundant by assigning a similar name to different entities by giving various sets of parameters or arguments.<\/em><\/p>\n

In simple words, two or more functions have the same name but are used for different purposes.<\/em><\/p>\n

Consider a situation where you want to perform a function display() to display the value of the \u201c2012\u201d<\/strong> using the same name for the function \u2018display\u2019<\/strong> and print it in the form of an integer value and a string.<\/p>\n

C++ allows us to overload operators in 3 ways. They are:<\/p>\n