Ik heb online gesolliciteerd. Ik heb gesolliciteerd bij Infinite Computer Solutions (Noida) in mei 2026
Sollicitatiegesprek
Had an interview for java backend with 3 yr of experience , mainly focus is on SpringBoot, Java Collection, Multithreading for 1st Round.
This is the JD they give me:
Required Skills:
Minimum 2+ years of experience in Java development
Strong proficiency in Core Java, Spring Framework (Spring Boot, Spring MVC), Hibernate/JPA.
Hands-on experience with RESTful APIs, Microservices architecture, and multi-threaded programming.
Proficiency in SQL/PL-SQL and databases (Postgres, MongoDB) and and ability to optimize SQL queries
Solid understanding of security best practices (OAuth2, JWT, etc.)
Experience with DevOps practices, CI/CD pipelines, Git, and build tools like Maven or Gradle.
Familiarity with frontend integration (Angular is a plus).
Excellent analytical and problem solving skills
Sollicitatievragen [1]
Vraag 1
Questions they asked me:
1. Find top 3 maximum salary employees from each department using Java Streams.
2. Now I have created one method one object level locking, okay? Fine. Now A and B is calling method one at the same time. Okay? What will be happen? How it will be work?: Thread1 a,b,c Thread2 d,e,f object.level.sync a.method(); b.method();
3. Thread1 and thread2 TES, right? Okay, A and B, okay, A and B object of thread1 is calling to method1, okay, at same time. Then what will happen?
4. Synchronised HashMap vs Synchronised Hastable.
5. Default capacity of arrayList?
6. Comparable vs Comparator?
7. How to use Employee object as key in HashMap and handle duplicate objects properly?
8. Question is about Spring Boot Dependency Injection.