Java 8 features,functional interface, lambda expression
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.
30,885 java developer interview questions shared by candidates
Remove duplicate in an array?
They asked me one question on DSA, which was to delete the nth node from end and return the head of the linked list. After that i got questions on Core Java & SpringBoot: 1) List few spring boot annotations 2) Explain copy constructor and it's types.
Tell me about Yourself ? Explain what is OOPS?
Basics of java and spring boot
JSF, Core Java, OOP concepts, Data base
what is your name ?
what us the difference data type?
Can you tell me a bit about microservices and where/how they are used?
"So, within two or three minutes, can you think of a complex problem you've worked on in the past and explain to us how a solution was found and why it worked? What I'm looking for is, what's the problem? How did you spot the problem? How is it identified? How did you find the solution, and how did the solution solve the problem?"
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