Experience-based Java interview preparation — every commonly asked question for freshers through senior and lead engineers, answered the way a strong candidate would: the short answer first, the key points, correct code, and the traps interviewers probe for. Each answer links to the lesson that teaches the topic in depth.
4 courses available
Core Java, OOP, collections, Java 8, Spring Boot, JPA, SQL, microservices and Git — the questions asked of freshers and juniors, answered clearly.
Intermediate Core Java, Java 8 internals, concurrency, Spring Boot in depth, Spring Security, Kafka, testing and build/deployment questions.
Advanced Java, design patterns, advanced Spring Boot, Spring Security in depth, microservices and microservice design patterns.
Expert Java and JVM, modern Java 17/21, Spring and cloud-native architecture, system design, production scenarios and leadership questions.