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overrinding requires same method signature (name name parameter) and same return type.
super class having non-final instance methods that are directly accessible from the subclass are applicable for overriding.
While
Overloading occurs when the method names are same but different parameter(in order,type or number).

Overriding:
A method with same name, signature, arguments, return type defined in Super class and Sub class. Out of the two methods the subclass method is executed. This is achieved by declaring VIRTUAL the function Virtual.
Example:
class Parent{
virtual int child(){};
}

class Child: Parent {
int child(){};
}

Overloading:
This is basically overloading of a particular function achieved by varying the number/data type of arguments.

Example :
int area (int r) {};
int area(int a, int b) {};

Overriding:
1. Late Binding
2. signature must be same

Overloading:
1. Early Binding
2. signature should be different

Overloading - Having different behavior for function names/operators depending on the context in which they are used.
Overriding - In inheritance, the child class having its own definition of a function, instead of using the one defined in the parent class.