This is NOT your typical Java interview questions and answers book.
This is a comprehensive interview preparation guide that follows the principle of 'Master the Concepts and Ace the Interview'. i.e. Focus on mastering the concepts while preparing for the interview, Success will follow naturally in interviews as well as in your career.
This principle is applied in every question in this Java Interview Guide. The guide has 250 plus REAL Interview Questions, separated into key chapters or focus areas. Each of the questions has detailed answers and most with code snippets that will help you in white-boarding interview sessions.
This guide is structured to help you master the core concepts and give you a definite and focused edge over other candidates.
How Does 'Java Interview Guide' Give You An Edge Over Other Candidates?
Let's see what makes this 'Java Interview Guide' unique for You.
- It contains REAL Java Interview Questions and answers that have been most frequently asked in various companies!
- It contains questions that are Tagged With Company Names where a similar question was asked. This enables you to judge the importance of a question!
- It contains Detailed Answers with Code Snippets - extremely useful for your white-boarding sessions!
- It contains Detailed answers with Diagrams - extremely useful for you to grasp and master key concepts!
Structured To Help You Focus On Mastering The Concepts.
'Java Interview Guide' is structured meticulously to help you master key concepts of Core Java.
The guide is divided into different knowledge areas or chapters. Each knowledge area contains following sections.
- Important keywords you must know
- Interview questions with detailed answers
- End-of-chapter summary section that summarizes key concepts
- End-of-chapter questions that help you test your knowledge
Core Java Knowledge Areas
'Java Interview Guide' contains REAL interview questions on the following Core Java knowledge areas
Chapter 1 - Object Oriented Design
Chapter 2 - Objects and Classes
Chapter 3 - Data Types
Chapter 4 - Variables
Chapter 5 - Strings
Chapter 6 - Arrays
Chapter 7 - Collections
Chapter 8 - Generics
Chapter 9 - Lambda Expressions
Chapter 10 - Exceptions
Chapter 11 - IO
Chapter 12 - Threads
Chapter 13 - Concurrency
Chapter 14 - JDBC
Chapter 15 - Networking
Chapter 16 - Security
Chapter 17 - JVM Internals
Chapter 18 - Performance
Chapter 19 - New in Java 8
Chapter 20 - New in Java 9
Chapter 21 - New in Java 10
Chapter 22 - Approach to System Design Interview Questions
About the Author
I have more than 18 years of experience in Software Engineering field. During these years I have participated in hundreds of interviews, both as an interviewee as well as an interviewer.
For most of my career, I had the good fortune of choosing whom I wanted to work for, in what role, and in what capacity - as a full-time employee or as a consultant. I primarily based my decision based on the technologies that I would be working in. Most of the times I had multiple offers when I was looking for a job change.
But things were not always so rosy. In the beginning I had my share of interview failures, disappointments, embarrassments, and rejections.
It was only when I started focusing on mastering the concepts, rather than reading through random lists of interview questions and answers, that I gradually started seeing success in my interviews.
As I started giving more interviews, I realized that some of the same questions were being asked again and again. All these questions were based on the core fundamentals of the topic or technology that I was interviewing for. 'Master the concepts - Ace the interview' became my philosophy for interview success.
Now I want to help you too - to ace your core Java interview by mastering the concepts.
This guide contains interview questions and answers from my Java interview preparation notes - the same notes, which helped me master the concepts and succeed with multiple offers every single time that I wanted to change my job!
Frequently Asked Questions
For what experience level is the Java Interview Guide most useful for?
The Java Interview Guide will be useful for anyone preparing for a core Java interview - Beginners who want to master the concepts for the interview, as well as experienced candidates with decades of experience who want to brush up the concepts.For what role is the Java Interview Guide most useful for?
The Java Interview Guide will be useful for any role for which your knowledge of core Java is evaluated - Software engineers, managers, directors, architects etc.