Different types of polymorphism, the diamond problem, and how can it be avoided?

Question

Accepted Answer

Polymorphism refers to the ability of an object to take on many forms. The diamond problem occurs in multiple inheritance.

Polymorphism can be achieved through method overloading and method overriding.
Method overloading allows multiple methods with the same name but different parameters.
Method overriding occurs when a subclass provides a specific implementation of a method already defined in its superclass.
The diamond problem arises in languages that support multiple inheritance, where a class inherits from two or more classes that have a common base class.
To avoid the diamond problem, some languages like C++ use virtual inheritance, which ensures that only one instance of the common base class is inherited.
In Java, which does not support multiple inheritance, the diamond problem is automatically avoided.

Top SAP Software Developer interview questions & answers