Collections

Question 1

What is the Java Collections Framework?

Answer 1

It is a set of classes and interfaces that implement common data structures and algorithms.

Question 2

What is an Abstract Data Type (ADT)?

Answer 2

Abstract Data Type is a definition of new type, describes its properties and operations.

Question 3

What is a Data Structure?

Answer 3

Data Structure is an implementation of ADT. Many ADT can be implemented as the same Data Structure.

Question 4

What are the commom Data Types implemented in Java Collections Framework?

Answer 4

List, Set and Map.