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Java Interview Questions Boot Camp - 1000+ Q& A Master Class (Udemy.com)

Covering Generics, Collections, MultiThreading, Design Patterns, OOPs, Functional Programming, OOAD, ENUM and much more

Created by: HeadEasy Labs

Last updated July 2025

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What you will learn

  • Complete Java in Form of Interview Questions and Answers
  • 1000+ Java Interview Questions covered
  • Complex Java Concepts in form of Questions you should ask yourself

How it compares

Against the other 231 rated Udemy courses in Java on CourseDuck:

  • Rating4.5 out of 5higher than 53% of them
  • Reviews797#133 of 232 by number of reviews
  • Length24.8 hourslonger than 84% of them
  • Last updatedJuly 2025more recently than 65% of them

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Course Description

Here we present our brand new course with a new learning objective.

Java Interview Questions Boot Camp Master Class where we are covering a lot of Java topics; on

Generics, Collections, MultiThreading, Design Patterns, OOPs, Functional Programming, OOAD and much more all in form of Interview Questions and answers.

1000+ java Questions

In this course we have explained java concepts in form of 1000+ java Questions

First of all you might be asking your self a Query important Question - why you should take this course?

Before this let me clearly state that

This course is not for complete Java Beginner. You should have some knowledge about Java like writing few programs and running them.

Also, Please Note that; We have Attached few full length lectures from our other best selling course. Where we felt that we should explain the concept in great detail.

Now let's see why you should take this course. There are multiple reasons for that

Firstly

To remember complex java concepts a programmer should keep on asking questions to himself so that it becomes easy to memorize the stuff for a long period.Our memory works better when we ask questions around a concept..

Secondly

You can take this course if you are interested in a particular topic like Collection, Multi-threading or Design patterns and questions around these topics

This course is arranged and designed in a way that

You can also skip the sections you think you have expertise on and if you want to take any particular section of your interest for example you want to check multi threading interview questions only. Its totally up to you.

You have lifetime access to this course. You can come and learn whenever you want.

Thirdly

Because this is a very enhanced course where we are trying to explain possibly every Java Concept in form of Question and Answer with help of a lot a coding and practice

This course covers questions for Every level of java developers but mostly Beginners and Intermediate

We will Cover the topics.

1. Language Fundamentals ✔️

2. Operators & Assignments ✔️

3. Flow-Control.   ✔️

4. Declarations and Access Modifiers ✔️

5. OOPs(Object Oriented Programming)

6. Inner classes  ✔️

7. ENUM ✔️

8. JVM Architecture, Garbage Collection ✔️

9. File I/O NIO ✔️

10. Serialization and Deserialization✔️

11. Collections✔️

12. Generics ✔️

13. Concurrent Collections

14. Multi Threading And Advanced Multithreading ✔️

15.  java lang package ✔️

16. Exception Handling ✔️

18. functional programming in java using lambda and streams✔️

19. Design Principles✔️

20. Design Patterns✔️


And Last but not least

We will keep updating this course by adding more questions. You also can suggest us any question you think should get covered.We will definitely add that in upcoming upgrade.

Hope this clear all your doubts and set the expectations right.

Happy Learning

Basics>Strong;


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Instructor Details

HeadEasy Labs

Previously We were Basics>Strong;


HeadEasy – Creating Impactful Learning for the Digital Age

At HeadEasy, we believe learning should be simple, engaging, and transformative. In today’s fast-paced digital world, learners expect experiences that are interactive, flexible, and inspiring—and that’s exactly what we deliver.

We specialize in designing and developing engaging digital learning experiences that go beyond traditional classrooms. Our approach blends instructional design, storytelling, interactivity, and technology to create learning journeys that capture attention, build curiosity, and drive real outcomes.

Whether you’re an educator, trainer, instructional designer, or content creator, our courses equip you with practical strategies, frameworks, and tools to design learning that truly makes an impact.

With a focus on clarity, creativity, and learner success, HeadEasy is committed to helping you create digital learning that stands out, engages deeply, and lasts.

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Reviews

4.5

797 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Anonymized User on 7/28/2025

The Way of explanation is excellent, looking forward to learning Spring boot

By Nishant Kumar Barua on 7/16/2025

I got jobs at Morgan Stanley (java dev) contract via Synechron and Amazon because of this basicsStrong course. For Amazon, obviously leetcode is extra, but these design patterns during Low Level system design round is useful!!!

By Anonymized User on 1/26/2025

said basic java knowledge is enough but with basic java it is very difficult to understand the content in this course .initially didn't understand then i started googling for many things.

By Ramakanth Naidu Kusu on 5/12/2023

Content was excellent, thanks for your all your efforts. But already lot of students are asked about resources such as PPT slides and programs. Even though programs are sample one's, but that are very use full for students to go through quickly and understand implementation in case of revision. Hope you understand and please share PPT slides and all programs your written as part of this course. Please share it ASAP.

By Moulana on 2/27/2023

Really Useful. Please update it frequently atleast once in week atleast 1 slide per week.. let us follow agile here as weel... pls help us with CI and CD q and A as well

By Babbu on 9/4/2022

The content is great but the educator is not able to explain the concepts in a clear manner. Getting more confused after going through the video content. Just using the downloadable part for reference.

By Roshan on 12/28/2020

The course is really worth for preparing an interview. It covers all topics. But the source code is not available for practice. Checking with Instructor whether it can be added in the course.

By Rahul Kumar on 12/22/2020

Course content is good.She has taught in very good order.My only concern is that course instructor should also material for reference.It will be really helpful.Overall its a good course

By Piyush Bulchandani on 11/11/2019

This course is coming quite handy in my java interview prep. I really liked how the entire course is designed and the depth it covers! Grateful for making this course

By sourabh parmar on 10/7/2019

Amazing Course ! Never thought i would find such a course on java interview. It's not only helping for getting the answer but also for the concepts around the particular question.

Showing all 10 reviews on CourseDuck

Read all 797 reviews on Udemy

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Quality Score

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Overall Score : 90 / 100