Be perfect in core java concepts - oop concepts,method overloading-riding,collections,threads,exceptions . also basic questions in jdbc, servlets, jsp, springs,hibernates
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.
30,830 java developer interview questions shared by candidates
You have big text and word with length L you should find all words in this text which begin like our word with complexity O(L). for example text "abc abd abb ax aor mxx mx1" word "mx" result "mxx mx1".
jvm , jre in java
What is a singleton?
Sort an array containing only 0,1,and 2 such that all zeroes ones and twos come together.
Which would you prefer: composition or inheritance?
SQL fullform
what are the sql joins..explain them.? what are jsf tags.'? how do u send a value of textbox from one page to another? expected salary? what is hibernate? how do u delete the table using sql?
What is the difference between .equals and ==?
Just asked what i have worked on.
Viewing 281 - 290 interview questions