What is this pointer? Provide necessary usage of THIS pointer.

What is this pointer? Provide necessary USAGE of THIS pointer.

In C++, this is a keyword that refers to the current instance of the class.

There can be 3 usages of this keyword in C++

• It can be used to refer current instance of the class.
• It can be used to declare indexes.
• It can be used to pass current object as a parameter to another method.