INTERVIEW Q/A

WhatsApp Group Join Now Telegram Group Join Now REST API What is a REST API? Explain its key principles. A REST API, or Representational State Transfer API, is a way for systems to communicate over the web using simple HTTP protocols. It’s like a set of rules that makes it easy for applications to exchange…

WhatsApp Group Join Now Telegram Group Join Now 1. What are Microservices? 2. Why are Microservices important? 3. What are the key benefits of Microservices architecture? 4. What is the difference between Monolithic and Microservices architecture? 5. What are the main challenges of Microservices architecture? 6. What is Service Discovery in Microservices? 7. What is…

WhatsApp Group Join Now Telegram Group Join Now 1. What is Spring Framework? Answer: Spring Framework is a Java-based framework designed to simplify enterprise application development. It provides infrastructure support for building applications and helps manage dependency injection, AOP, and transaction management. Example: If you need a dependency injection framework to reduce boilerplate code, Spring…

WhatsApp Group Join Now Telegram Group Join Now Here are 100 medium-level Java interview questions along with explanations and examples to help you prepare for your interview. 1. What is the difference between == and equals() in Java? 2. What are Java collections? 3. What is a HashMap in Java? 4. What is the difference…

WhatsApp Group Join Now Telegram Group Join Now 1. What is Java? Java is a versatile, object-oriented programming language. It is platform-independent, meaning you can run it on different systems without modification. 2. Why is Java platform-independent? Java programs are compiled into bytecode, which is executed by the JVM (Java Virtual Machine). This bytecode can…