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Java Developer Interview Questions

Practice 9403 coding, system design and machine learning questions from 546 companies, sorted by role, topic and interview round. Every question has step-by-step hints, a code runner that supports 8 languages and an AI mentor; members also get the full solution walkthrough.

9403
Questions: 546
Companies: 11
Topics: 8
Languages

Showing 1–2 of 2 results

SchwabEasyJava Developer
Explain Spring Dependency Injection and Choose an Injection Style
Tests core knowledge of Spring's Inversion of Control (IoC) container, trade-offs between constructor, setter, and field injection, bean lifecycle, and dependency resolution strategies.
Software Engineering FundamentalsOnsiteJavaSpringDependency Injection
SchwabEasyJava Developer
Review a Spring REST Controller for Correctness and Per-Request Waste
Analyze a flawed Spring Boot REST controller to identify anti-patterns, HTTP status code misuses, concurrency hazards, and unnecessary per-request object allocations. Refactor the implementation to follow production-grade enterprise standards.
Software Engineering FundamentalsOnsiteJavaSpring BootREST API