Apache Kafka is used in Micro Services Architecture (i.e. MSA) to Big Data & Low Latency application architectures. Q01. What is Apache Kafka? A01. Apache Kafka is a message broker like ActiveMQ, IBM WebSphere MQ, RabitMQ, etc. Apache Kafka is a distributed messaging broker with the purpose of being a...
This extends 8 Apache Kafka must-know basics interview Q&As – Part 1. Q07. What do you understand by the term “data is presented to Kafka as stream“? A07. This means either the Data is acquired from source systems in real time or as a scheduled extract process, … Read more...
This extends Apache Kafka must-know basics interview Q&As – Part 2. Q15. What do you understand by the terms Kafka Consumer Groups & group.id? A15. Consumers read from any single partition, … Read more ›...
Multithreading is one of the important features of Java, and multithreading interview Q&As can reveal a lot about your depth of core Java knowledge. Most importantly, it is not easy to grasp multithreading concepts without lots of hands-on experience. Let’s start with the beginner basics & then get into Java concurrency management interview Q&As for the experienced.
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Java 8 Functional Programming Interview questions focusing on FP. Getting a good handle on Java OOP concepts and FP concepts are very important NOT only from writing quality code perspective, but also from job interviews perspective to be able to do well in written tests & technical interviews. … Read...
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One of the very frequently asked open-ended interview questions for anyone experienced is: Can you describe the high-level architecture of a recent application you had worked on? You can be asked:
1) to draw an architectural diagram on a white board and
2) to provide a brief description of the architecture,
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As an enterprise Java developer, you will be spending more time integrating systems via Java web services & messaging. Java Web Services interview questions are must know for the Java developers. Q1. What are the different styles of Web Services used for application integration? … Read more ›...
This extends Architecture Networking. Here are some must know-concepts as a Cloud Engineer, Data Engineer or a Software Engineer. The above diagram addresses many of the questions that follow. Q1. What is a VPC in AWS? A1. A virtual private cloud (VPC) is a virtual network dedicated to your AWS...
Q01. What is a module in Java? A01. You can think of the Java Platform Module System (JPMS) as a higher level of aggregation above packages. A Java module is a set of packages that declares which of them form an API accessible to other modules and which are internal...
Spring framework interview questions are very common for the Java programmer jobs. This covers Spring framework beginner interview questions on the Spring core and more advanced Spring framework interview questions at Java microservices interview questions.
Q1. What do you understand by the terms Dependency Inversion Principle (DIP),
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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...
These are more like rules to develop RESTFul web services as opposed to being the best practices. REST is an architectural style without any contracts or specifications. So, it is imperative to apply the following rules for better REST API design. #1. Write stateless RESTFul services This means each request...
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