Where do you use abstract class

Question

Accepted Answer

Abstract classes are used to provide a common interface and partial implementation for related classes.

Abstract classes are used when you want to create a base class that cannot be instantiated on its own but can be inherited by other classes.
They are useful when you want to define common methods and properties that multiple related classes should have.
Abstract classes can have both abstract and non-abstract methods.
Abstract methods are declared without an implementation and must be implemented by the derived classes.
Abstract classes can provide default implementations for some methods, which can be overridden by the derived classes if needed.
They help in achieving code reusability and maintainability.
Example: In a banking application, you can have an abstract class 'Account' with common methods like 'deposit', 'withdraw', and 'getBalance', which can be inherited by specific account types like 'SavingsAccount' and 'CheckingAccount'.

Top Tudip Technologies Software Engineer interview questions & answers