50+ Core Java and Java EE developer Job Interview Questions and Answers
Java Job Interview Questions and answers on multi-threadingQ. What is the difference between intrinsic and explicit locks in Java? Why is synchronization important?Q. How do Java threads communicate with each other? A very common Java job interview question to determine your ability to code and write multi-threaded program is: Printing odd and even numbers with two threads
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Java Job Interview Questions and answers on Data structuresJava Collections Framework (i.e. Data structures) contains most commonly asked Java interview questions. A good understanding of the Java collection framework is required to leverage many powerful features of Java technology. Here are a few important practical questions which can be asked in a Core Java interview. |
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Java Job Interview Questions and answers on codingSome Java coding questions are very popular and frequently asked in Java job interviews. |
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Java Job Interview Questions and answers on OO conceptsJava is an Object Oriented language. If you don't tackle these questions well enough with good examples, your chances of getting through an interview will be very slim.Q. Why favor composition over inheritance in Java OOP? is a very popular interview question. Q. How to create a well designed Java application? Q. When to use an abstract class over an interface? |
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Why do many Java developer resumes fail to make an impression?
Tip #1 Resumes are scanned and not read. When you write a resume, put yourself in prospective recruiter's shoes.
Tip #2 If first page of your resume is not attractive enough, most likely that your resume will not be read further.
Tip #1 Resumes are scanned and not read. When you write a resume, put yourself in prospective recruiter's shoes.
Tip #2 If first page of your resume is not attractive enough, most likely that your resume will not be read further.
Spring Job Interview Questions and AnswersSpring is a very popular framework, and you will be quizzed on -- What do you understand by the terms Dependency Inversion Principle (DIP), Dependency Injection (DI) and Inversion of Control (IoC) container?, etc. |
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Hibernate Job Interview Questions and answersHibernate is a poplar ORM framework and very poplar with the interviewers -- How will you configure Hibernate?, What is a Session? Can you share a session object between different threads?, Explain hibernate object states? Explain hibernate objects life cycle?, etc |
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Java Web Services Job Interview Questions and answersWhat are the different integration styles? What are the differences between SOAP WS and RESTFul Web Service? Which one would you choose? Why would you favor Web Services over RMI/CORBA/DCOM, etc? |
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Java Job Interview Questions on Software architecturesGood calibre candidates have the ability to look at the big picture and drill down into details. The line between software development and software architecture is a tricky one. Regardless of you are an architect, developer, or both, one needs to have a good understanding of the overall software architecture. |
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How to choose from multiple Java job offers?In Java/J2EE career forums, interview candidates often ask how to choose from multiple job offers? This is not an easy decision to make and often this dilemma is made worse due to not asking the right questions about the position or role at the interview. |
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How to become a software architect?In industry specific forums, I often see questions like “what certification do I need to do to become an architect?”. The simple answer is that you don't need a certification to become an architect. It may help, but there is a lot more to it to become an architect. |
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Java, JEE, JSF, Spring, and Hibernate TutorialHands-on experience matters a lot, and here are a few Java tutorials that will get you started with Java, JSF, Spring, Hibernate, Web Services, eclipse, maven, and HSQLDB. These tutorials can also give you the much needed confidence at the Java job interviews. |
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How to prepare for your Java developer job interviews?
Tip #1 Know your resume. Many questions will be sparked from your resume.
Tip #2 Revise the core concepts. Language/Specification fundamentals and coding.
Tip #3 Revise the key areas. How to detect thread safety issues?, analyze performance bottlenecks?, etc
Tip #1 Know your resume. Many questions will be sparked from your resume.
Tip #2 Revise the core concepts. Language/Specification fundamentals and coding.
Tip #3 Revise the key areas. How to detect thread safety issues?, analyze performance bottlenecks?, etc
22 Comments:
hi , nice blog with lots of information , plz update with basics
Thanks and I will continue to share my experience via blogs and books.
"2016-01-31
Java and JEE Interview Questions and Answers "
2016! it's nice to see that you're way ahead of everybody ;)
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Thanks for your nice Post & information.plz join www.tutorialsolution.com for given more interview question & answer - Thanks a lot sir
Java tutorials style interview questions are given in the post here. Read more about it
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Very informative and good collection.thanks for sharing
Very good questions and answers. For those who want to learn Java by programs check this http://www.javatheprogram.blogspot.com. There a a lot of useful programs that you can learn from.
Nice collection of questions and answers. Appreciate your effort.
Very Useful information. by Bukkas
A nice initiative to spread the knowledge about JAVA in mass. I would like to contribute by adding the interview questions on JAVA. Get them at Interview Questions on JAVA
Nice articles in your blog.
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This is nice information and it is useful for JAVA learners.we also provides The Best JAVA Online Training In Usa,Uk& India
Very informative blog.
For more info : Common Interview Questions and Answers
Hi Arulkumaran Kumaraswamipillai Sir,Thanks a LOT for sharing your knowledge and information with us.I am an Automation Engineer in Software Testing using Selenium WebDriver(with Java as a Programming Language).Can you please focus more on Core Java Topics,if possible,w.r.t Software Testers.Thank You.
My book Core Java Career Essentials covers core Java. I will endeavor to cover more in blog posts as well. Are you planning to make a career change to become a developer?
This is a nice post and it covers almost good set of questions that are required for java interview. I also provide the same on my bloh - http://javacodeimpl.blogspot.in/p/interview-questions.html
Thanks for sharing useful information. We also providing best SAS Online Training
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