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These Microservices based interview questions are based on my personal interview experience and feedback from other interviewees. These questions verifies your theoretical as well as practical knowledge about microservices. Keep following this post for regular updates.

In this quick article, we’ll learn how to pretty print JSON response in Spring Boot web application using Jackson property.

This post describes how to configure Kafka producer and consumer in spring boot application and also explains how to create service classes to send and receive Kafka messages to and from configured kafka topic respectively.

Async functions and Await keyword are latest additions in JavaScript as part of ECMAScript 2017 release which introduced a new way of writing asynchronous functions. In this post we will talk about why we should use async/wait, its syntax and practical usage with example.

Promises are introduced natively in ES6. They are very similar to our promises. As we keep or break our promises, Javascript promises are also either resolve or reject. In this post we will talk about why we should use promises, promise syntax, promise states and its practical usage with examples using fetch API.

This post is a collection of tricky interview questions based on different concepts in JavaScript. The difficulty level of question will increase as you read forward down the line in this post.

This is frequently asked question in JavaScript interview. We can compare primitive types, array and object using two comparison operators == and === available in JavaScript. This post describes the difference between these two with many examples.

The this keyword in JavaScript is very important concept but at the same time very confusing to understand.

In this tutorial, we’ll learn how to create classes in JavaScript.

This is frequently asked question in JavaScript interview. This post describes the Function prototype methods call(), apply() and bind() with their syntax, usage and practical examples.