What is the differences between PUT and GET methods in the RESTful webservices?
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.
30,862 java developer interview questions shared by candidates
How would you rate your Java knowledge overall on a scale from 1-10?
What is the difference between an inner join and an outer join? A binary tree was drawn on a whiteboard, and a Node class was written next to it. I was asked to write pseudocode to traverse the tree.
5 algorithm problem, 2 easy 2 medium 1 hard. hashmap problem, math problem, regular expression and dynamic problems. The problems' descriptions are long and not clear.
network/SQL concept
Find the maximum sum incremental from array with starting Index and End Index.
Added more question on above, If you have 100 array how can you find which array have highest sum same as above sum.
Dynamic programming, optimal questions. find all occurrences of character in a file. How do you migrate huge no tables from one database to another database. Kadane's algorithm related problem.
They will ask all their team issues to you to provide solution instantly so they can use it!
1. Interface, Collection etc . Core Java
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