Associate Software Consultant Interview Questions and Answers

A program for comparator interface compares two objects based on a key field.

• Create a class that implements the Comparator interface

• Override the compare method to compare objects based on a key field

• Use the Comparator class to sort a collection of objects based on the key field

OOPs concepts are fundamental principles in object-oriented programming that help in organizing and designing code efficiently.

• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the necessary features to...read more