Broadridge Financial Solutions Senior Member Technical Interview Questions, Process, and Tips

Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

• Abstract class can have constructors, fields, and methods, while interface cannot have any implementation.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used to define a common base class for related classes, while interfaces are used to define a con...read more

OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.

• OOPs focuses on creating objects that interact with each other to solve complex problems

• Key principles include encapsulation, inheritance, polymorphism, and abstraction

• Encapsulation allows data hiding and bundling of data with methods that operate on that data

• Inheritance enables a new class to i...read more

An abstract class is a class that cannot be instantiated and may contain abstract methods.

• Cannot be instantiated directly

• May contain abstract methods that must be implemented by subclasses

• Can have both abstract and non-abstract methods

• Used to define a common interface for subclasses

Interface is a contract with no implementation, while abstract class can have some implementation.

• Interface cannot have any implementation, only method signatures.

• Abstract class can have both abstract and concrete methods.

• A class can implement multiple interfaces but can inherit only one abstract class.

• Interfaces are used to achieve multiple inheritance in Java.

• Example: interface Shape { void draw(); } vs abstract clas...read more

Resources are tools or assets used to achieve a goal, while styles refer to the way in which something is done or presented.

• Resources can include materials, equipment, personnel, or financial assets.

• Styles can encompass different approaches, methods, techniques, or aesthetics.

• For example, in software development, resources may include programming languages and libraries, while styles may refer to coding conventions and