Samvardhana Motherson Group Fullstack Java Developer Interview Questions and Answers

API gateway in microservices acts as a single entry point for all client requests, providing routing, authentication, and other functionalities.

• API gateway handles all client requests and routes them to the appropriate microservice

• It can perform authentication, rate limiting, load balancing, and caching

• Helps in decoupling clients from individual microservices, simplifying the overall architecture

A discovery server is a component in a microservices architecture that helps services find and communicate with each other.

• Discovery servers store information about available services

• They allow services to register themselves and query for other services

• Examples include Netflix Eureka, Consul, and Zookeeper

There are two ways of Exception handling in Java - using try-catch blocks and using throws keyword.

• 1. Using try-catch blocks to catch and handle exceptions

• 2. Using throws keyword to declare exceptions to be thrown to the calling method