I mentioned in resume about Spring-XD. Asked what is it.
Java Consultant Interview Questions
30,863 java consultant interview questions shared by candidates
First step just generic java questions. Second round was more like what you did in the past from high school till now.
How do you process huge file with not enough memory available.
Thread questions with syntax errors
Are you familiar with Git, Stash, Sourcetree
What is SQL Injection? Serialization vs Synchronized. Interface vs Abstract. Queue vs Stack, Vector vs ArrayList. Array vs ArrayList. What is a virtual function? When are these used: static, transient, protected, Iterator? Name 4 principles of Polymorphism. Can a lock be acquired on a class? How do you secure a web service? What is operator overload? Explain an ENUM. Which is more expensive? Array or LinkedList.
What attracted you to the company?
1. What are the issue might appear in multithreading? 2. Concurrent Hashmap how it works? why is better than synchronised block? 3. how to achieve locking? difference between lock and shynchronised 4. Design patterns related questions ( example of various design pattern) 5. how to secure micro services in Spring? 6. how to optimise a query if you find out its slow? 7. difference between arraylist and linkedlist, which one is better? 8. Gave me a scenario and asked me how to solve this? 9. Different Joins in SQL. 10. Future, callable, executor service. 11. S.O.L.I.D principle with examples.
Removing of duplicate Employee object from a list based on their employee ID.
Foi solicitado que abrisse um editor de imagem para desenhar um esboço de arquitetura distribuída.
Viewing 1161 - 1170 interview questions