Table Of Contents

Core Java

• [Core Java](/core java/core-java.md)
• [Collections](core java/collections.md)
• Java 8
• [Java Memory Model](core java/java-memory-model.md)
• [Concurrency](core java/concurrency.md)
• [Garbage Collection](core java/garbage-collection.md)
• [JVM Internals](core java/jvm-internals.md)

Design / Clean Code

• SOLID Principles
• Effective Java
• Design Patterns
• Approach to Design Questions

Spring Boot/Spring Framework

Related topics

• SQL
• UNIX
• Web

Other topics

• Spring Boot overview (DI, Security, JPA, Testing)

Opinion based questions

Answers to such questions vary based on multiple factors (interviewer and interviewee's experience with Java, exposure to other languages, personal taste, etc). Thus, take the answers with pinch of salt, and make them your own before using them.

• What do you like about Java? Answer
• What do you not like about Java? Answer
• Which is better - compilation, interpretation or JIT? Why? Answer