Skill assessment · Java

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java · assessment preview 60-90 minutes
// task 01 of 4

Build a REST API with Spring Boot and JPA

Core Java & OOP PrinciplesCollections FrameworkSpring Boot & Spring MVCJPA & HibernateMultithreading & ConcurrencyStream API & Functional Java
difficulty
JuniorMid-LevelSeniorLead
hidden test cases · real code execution · AI-graded
Coverage

What a Java assessment actually tests

Core Java & OOP Principles
Collections Framework
Spring Boot & Spring MVC
JPA & Hibernate
Multithreading & Concurrency
Stream API & Functional Java
Unit Testing with JUnit
Design Patterns
Sample challenges

Real tasks, not puzzles

Build a REST API with Spring Boot and JPA

Implement a thread-safe cache with TTL

Create a batch processing system

Design a service with proper error handling

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60-90 minutes per candidate · proctored · AI-graded