Demonstrating your J2EE knowledge in a Java interview can be critical to landing a developer position at a top-tier or FAANG+ company. J2EE is one of the most popular platforms used by Java developers to simplify the development and deployment of enterprise-level applications that can run on a variety of Java-supported platforms.
You can make a good impression by scanning Java and J2EE interview questions beforehand and preparing accordingly. Read on to learn about the types of J2EE interview questions asked in coding interviews and how to answer them.
If you are preparing for a tech interview, check out our technical interview checklist, interview questions page, and salary negotiation e-book to get interview-ready!
Having trained over 10,000 software engineers, we know what it takes to crack the toughest tech interviews. Our alums consistently land offers from FAANG+ companies. The highest ever offer received by an IK alum is a whopping $1.267 Million!
At IK, you get the unique opportunity to learn from expert instructors who are hiring managers and tech leads at Google, Facebook, Apple, and other top Silicon Valley tech companies.
Want to nail your next tech interview? Sign up for our FREE Webinar.
In the below sections, we have provided a list of basic and advanced Java and J2EE interview questions that will help you nail your Java interview. In this article, we’ll cover:
Some of the basic Java and J2EE interview questions and answers are as follows:
JVM spec is simply the specification of JVM. JVM implementation is the actual implementation of JVM by vendors. Meanwhile, JVM runtime is a running program supporting Java specified programs.
The Just-in-Time compiler improves the performance of Java apps by combining platform-neutral bytecode to the native machine code during run time.
JDK is a kit providing an environment to execute and develop the Java program. On the other hand, JRE is a kit that provides an environment to run (not develop) the Java program.
A locale object shows a specific political, cultural, or geographical region. An operation that requires locale is called locale-sensitive.
Apart from these, do prepare for the below Java and J2EE interview questions as well:
The interviewer also includes a few advanced-level Java and J2EE interview questions during a typical Java interview. You must take these questions seriously and prepare for them accordingly.
Mentioned below are a few advanced level Java and J2EE programming interview questions for senior software developers:
HQL (Hibernate Query Language) is an object-oriented query language. Unlike SQL, which works on tables and columns, HQL works on persistent objects and properties. HQL is a superset of Java Persistence Query Language (JPQL). This means that all JPQL queries are valid HQL queries, but all HQL queries are not JPQL queries
Thin client is a lightweight client. A thin client connects to the cluster through a standard socket connection without becoming a part of the cluster topology. Thin client does not hold any data and is not used for computing calculations. It performs all operations through the standard node?.
URN is an abbreviation for Uniform Resource Name. It is a unique identifier that identifies an entity.
Spring is an open-source application development framework for enterprise Java. It is one of the most widely used frameworks for Java. Developers use Spring to develop high-performing, testable, and reusable code
Request handling, Servlet installation, The init method, Servlet class loading, and Removal from the service.
Here are a few other Java and J2EE interview questions for experienced professionals:
Read our Top Advanced Java Interview Questions for your coding interview.
Here are some design patterns for Java and J2EE interview questions:
The presentation tier, Resource tier, and Business tier are the components of multi-tier architecture.
The list of spring modules is
A servlet is a server-side component that provides development mechanisms for server-side programs. It makes use of classes available under a Java package.
The different phases are:
You can also go through the following Java and J2EE technical architect interview questions:
These Java and J2EE interview questions will assist aspiring architects in their upcoming tech interview prep. You can also take a look at some of the Top Java Programming Interview Questions and Answers.
Apart from the above-mentioned questions, the following miscellaneous Java and J2EE interview questions might be asked by an interviewer:
Connection pooling is a practice generally used to extract already existing connections. These connections can be used instead of generating new connections.
It is an object proxy that includes the process of retrieving the objects until and unless you require them.
Configuration cfg = new Configuration(); cfg.addResource(“dir/hibernate.hbm.xml”); cfg.setProperties( System.getProperties() ); SessionFactory sessions = cfg.buildSessionFactory();
List, array, map, bag, set are the collection types in hibernate.
JSP tags are divided into four categories:
Go through the following additional miscellaneous Java and J2EE interview questions:
That said, brushing up your overall skills related to Java and J2EE interview questions is of paramount importance and can help you secure your dream job in Tier-1 tech companies. You can practice some Java Interview Questions for Software Developers With 5 Years of Experience too.
Q1. How much does a Java developer earn in the US?
The average annual salary of a Java developer is around $106,019 in the US.
Q2. What is the minimum eligibility to become a Java developer?
Becoming a Java developer requires a Bachelor’s degree in Computer Science or any related field. However, experience is equally important to appear for Java and J2EE interview questions.
Q3. Are Java and J2EE the same?
Before appearing for Java and J2EE interview questions, you should have a common understanding of the difference between both these programming languages. J2EE is just an extension of Java SE, which is based on the Java programming language. In simple words, J2EE is a part of Java featuring a powerful library set.
Q4. What are the four types of J2EE modules?
The four types of J2EE modules are Application Client Module, WEB Module, Enterprise JavaBeans Module, and Resource Adapter Module.
Q5. What is J2EE?
J2EE stands for Java 2 Platform, Enterprise Edition. The J2EE platform is used to create multi-tier, web-based applications by utilizing a set of protocols and application programming interfaces (APIs).
Are you getting ready for an upcoming technical interview? Register for our technical interview webinar.
At Interview Kickstart, we’ve trained over 10,000 engineers to land lucrative offers at the biggest tech companies. Our instructors, who are FAANG hiring managers, know what it takes to nail tough tech interviews at top technology companies.
Register for our FREE webinar to learn more.
Â
Attend our free webinar to amp up your career and get the salary you deserve.
693+ FAANG insiders created a system so you don’t have to guess anymore!
100% Free — No credit card needed.
Time Zone:
Get your enrollment process started by registering for a Pre-enrollment Webinar with one of our Founders.
The 11 Neural “Power Patterns” For Solving Any FAANG Interview Problem 12.5X Faster Than 99.8% OF Applicants
The 2 “Magic Questions” That Reveal Whether You’re Good Enough To Receive A Lucrative Big Tech Offer
The “Instant Income Multiplier” That 2-3X’s Your Current Tech Salary
The 11 Neural “Power Patterns” For Solving Any FAANG Interview Problem 12.5X Faster Than 99.8% OF Applicants
The 2 “Magic Questions” That Reveal Whether You’re Good Enough To Receive A Lucrative Big Tech Offer
The “Instant Income Multiplier” That 2-3X’s Your Current Tech Salary
Just drop your name and email so we can send your Power Patterns PDF straight to your inbox. No Spam!
By sharing your contact details, you agree to our privacy policy.
Time Zone: Asia/Dhaka
We’ve sent the Power Patterns PDF to your inbox — it should arrive in the next 30 seconds.
📩 Can’t find it? Check your promotions or spam folder — and mark us as safe so you don’t miss future insights.
We’re hosting a private session where FAANG insiders walk through how they actually use these Power Patterns to crack interviews — and what sets top performers apart.
🎯 If you liked the PDF, you’ll love what we’re sharing next.
Time Zone:
