Java Interview — Crash Course [Part 2]

A no-nonsense, fast-paced Java interview preparation guide for humans

Part 2: Data Structures

Key Concepts

Data Type: Data type is a way to classify various types of data to determine values that can be used and operations that can be performed on the corresponding type of data.

Built-In Data Type: Data types for which a language has built-in support are known as Built-in Datatypes. Example: Boolean, Integers, String, etc..

Derived Data Type: Data types that are implementation-independent as they can be implemented in one or the other way are known as derived data types. Example: List, Array, Stack, Queues

Reference Cards

What’s Next?

Algorithms