Java Developer Interviews

Java Developer Interview Questions

In your interview for a java developer position, be prepared to answer technical questions that test your understanding of Java basics. Interviewers may also ask open-ended questions to assess your coding and problem-solving abilities. Prepare for non-technical questions that focus on time management, interpersonal communication, and work ethic.

Top Java Developer Interview Questions & How to Answer

Question 1

Question #1: What is the difference between HashTable and HashMap in Java?

How to answer
How to answer: Interviewers use technical questions to assess your formal training and understanding of the Java programming language. Use your answer to demonstrate your communication skills. Even if you have been coding for some time, it can be helpful to review Java basics before your interview.
Question 2

Question #2: Write a program to determine if 243 is an Armstrong number.

How to answer
How to answer: Interviewers use open-ended questions to test your coding skills. This question allows the employer to assess your ability to solve a problem using a Java algorithm. Explain your thinking process as you use a code editor or whiteboard to solve the problem.
Question 3

Question #3: How do you produce quality code when you have several Java projects to complete at once?

How to answer
How to answer: Java developers often juggle multiple projects at the same time. Interviewers use questions such as this to test your time management and organizational skills. Employers are also trying to assess your commitment to quality work. If you have experience as a developer, include examples from your work history that demonstrate high-quality work and effective time management.

30,911 java developer interview questions shared by candidates

After a wait of 5 hrs, a short technical interview in which interviewer was more interested in knowing if he applies for job with your current employer what are his chances of getting recruited and how much package he can ask for... No technical discussion at all....???
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Java Technical Manager

Interviewed at Polaris FT

3.7
Feb 21, 2016

After a wait of 5 hrs, a short technical interview in which interviewer was more interested in knowing if he applies for job with your current employer what are his chances of getting recruited and how much package he can ask for... No technical discussion at all....???

1.oop's concepts. 2.Basics of Collection. 3.String, StringBuffer, StringBuilder. 4.Java8 Strems. 5.SQL JOIN'S. 6.What is Hibernate and JPA. 7.Spring Annotation's. 8.Thread and Process. 9.About Kafka.. some questions from database design.

Jr Java Developer

Interviewed at NE Group

3.6
Nov 18, 2022

1.oop's concepts. 2.Basics of Collection. 3.String, StringBuffer, StringBuilder. 4.Java8 Strems. 5.SQL JOIN'S. 6.What is Hibernate and JPA. 7.Spring Annotation's. 8.Thread and Process. 9.About Kafka.. some questions from database design.

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