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01: 15 Spring Boot interview Questions & Answers

15 Spring boot interview questions & answers with tutorials for easy setup of new Spring applications. Spring boot helps you get started quickly with its auto-configuration ability, and Spring Cloud Microservices interview questions & answers extends Spring Boot with cloud & micro services architecture ready patterns. Q1. What is the…

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01: Q07 – Q12 Microservices Interview questions & answers

60+ microservices interview questions & answers covering Spring boot, Spring cloud, and microservices design patterns. If you are an enterprise Java developer, then most likely you will be developing Microservices using Spring boot. Let’s start with the beginner microservices interview questions & then get to much needed 20+ microservices design…

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02: 8 Spring Boot interview Q&As

This extends 01: 15 Spring Boot interview Questions & Answers. Q1. What is a Swagger in Spring Boot? A1. Swagger is an open source set of rules, specifications and tools for developing and describing RESTful APIs. The Swagger framework allows developers to create interactive, machine and human-readable API documentation.Swagger allows…

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02: Microservices Architecture design patterns & considerations interview Q&As – Part 1

This extends 10+ Key Microservices Interview Questions Answered. The architects & developers need to know these microservices design patterns & these are best practices to build robust systems. Q1. Why do we need design patterns for Microservices? A1. The goal of microservices is to increase the velocity of application releases,…

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03: Kubernetes (i.e. Minikube) – deploy a spring boot microservice app

This extends Kubernetes (i.e. Minikube) – deploy a node js service. Docker containers & Kubernetes for deploying Spring Boot microservices. As mentioned earlier in Kubernetes, Docker & Microservices interview Questions & Answers. Docker gives you application isolation, and solves the dependency hell issues. For example, if you have two microservices…

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03: Microservices Architecture design patterns & considerations interview Q&As – Part 2

This extends 02: Microservices Architecture design patterns & considerations interview Q&As – Part 1. 3. Decomposition Design Patterns When decomposing the Microservices, we should avoid having tight coupling between the services. This can be achieved by duplicating the data in the required/dependent services. If you are not duplicating the data…

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04: Microservices Architecture design patterns & considerations interview Q&As – Part 3

This extends 03: Microservices Architecture design patterns & considerations interview Q&As – Part 2. 4. Cross-cutting concern patterns Microservices require various cross-cutting concerns such as metrics, reporting exceptions to an exception tracker, logging, distributed tracing, health checks, externalized configuration, and security. Additionally, a service may need to handle service discovery…

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05: Microservices Architecture design patterns & considerations interview Q&As – Part 4

This extends 04: Microservices Architecture design patterns & considerations interview Q&As – Part 3. 4. Observability patterns Microservices require various cross-cutting concerns such as metrics, reporting exceptions to an exception tracker, logging, distributed tracing, health checks, externalised configuration, and security. Additionally, a service may need to handle service discovery and…

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10+ Domain Driven Design (i.e. DDD) Interview Q&As

Q1. What is Domain Driven Design (i.e. DDD)? What is DDD oriented microservice? A1. Domain-driven design advocates modelling based on the reality of business as relevant to your use cases. In the context of building applications, DDD talks about problems as domains. If you are building a shopping cart application,…

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10+ Key Java Microservices Interview Questions & Answers

Java microservices interview questions and answers covering microservices patterns, best practices, Springboot and Spring cloud . Q1. How will you go about choosing REST vs Messaging for Microservices? A1. Microservices can be invoked both synchronously and asynchronously. Microservices must be organized around business functionalities like Customers, Orders, Invoices, Products, etc….

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Event sourcing & CQRS interview Q&As

Most feasible way to handle consistency across microservices is via eventual consistency. This model doesn’t enforce distributed ACID transactions across microservices. Event sourcing is an event-centric approach to business logic design and persistence. It favours to use some mechanisms of ensuring that the system would be eventually consistent at some…

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Spring Cloud Microservices interview Q&As

This extends 15 Spring Boot interview questions & answers. Spring Boot & Spring Cloud are used for building Microservices architecture. Q1. What is Spring Cloud? A1. Spring Boot is widely used to develop MicroServices. As many organisations deploy these services on the cloud like AWS, etc you need to take…

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