Basic Questions Asked: Introduce yourself (including questions about your current project). Why is String immutable in Java, and how can we create an immutable class? Streams coding question – Given a list of integers, find all numbers starting with 1. Explain Predicate and BiFunction interfaces. Explain/implement the Bubble Sort algorithm. Explain Future in Java. Difference between fail-fast and fail-safe iterators. Java 8 features.
Questions related to Java, spring boot and microservices Demonstrate a design pattern Input-output based questions on string Find the missing number from a given set of integers
Write a SQL query to Fetch the second highest value in a Table.
More about Java, springboot, spring webflux, docker, kubernetes
Principais motivações para o futuro
1. Introduction 2. Project Overview (Flow, Tools, Technologies and Framework) 3. Agile 4. Stream API Question 5. Java 8 Features 6. Multithreading 7. Hashmap internal working and pseudo codes 8. @Transactional in database in details 9. How to handle concurrency in database for multiple parallel transactions 10. Design Patterns 12. Microservices Design Patterns 13. JPA and JDBC Questions 14. Others
How do you maintain a common counter(id) across different servers?
Coding question - find second highest element in array, without using 2 loops. Interview question asked-- 1. Project challenges in your current project. 2. java 8 features 3. git commands to handle conflicts 4. hashmap, concurrent hashmap 5. string usage, how to make string mutable 6. abstract and interface 7. sprinboot connection with Angular 8. How to connect springboot with JB(all step by step process) 9. why to use springboot over spring 10. Agile tickets and US. 11. Checked and unchecked exception 12. polymorphism in deep explain 13. springboot resource folder explanation 14. GIT SIT UAT (how pipeline executed internal process expain)
What is the most challenging project that you have worked on? , give me some architecture/technologies frameworks/cloud details
How is HashMap internally implemented in Java? What is the default size of a HashMap?
Viewing 2741 - 2750 interview questions