Last one: Write down the code for a method which takes an array and a number K as input s and returns the (Any) pair of numbers from that array whose sum is K. (I asked multiple times if he wants only one pair or all the pairs).
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.
30,895 java developer interview questions shared by candidates
What is treaMap? What is it's internal architecture?
What is MVVM and why to use it in the product?
How does the HashMap works?
We have View in MVC, Why you used MVVM?
Oops concept
Cómo te ves en un futuro?
Se eu já lidei com a exceção "PersistentObjectException: detached entity passed to persist" e o que fiz para resolver o problema.
Java Development question basics and frameworks
What is difference between object oriented programming language and object based programming language?
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