Spark Transformations
1. Overview In one of our previous article, we have explained Spark RDD example, in this article we are going to explain Spark Transformations. Spark transformation is an operation on…
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Java Multikey map example
1. Overview This article is about how to java multikey map with example. Java Map has a key value pair where the key must be a unique Object which used…
Want to learn spring boot but from where to start?
1. Overview If you are visiting this article means that you are going to plan to learn the spring boot. When we are unknown to particular technology at that time…
Online Java Tutor: Greatness in Every Technical Assignment
Online Java Tutor: Greatness in Every Technical Assignment Have you ever felt like there is just too much homework put on your shoulders? You and many other students are in…
How to get loaded beans in spring?
1. Overview In spring application, generally, Beans have been created when we used @Bean, @Service, @Controller, @Configuration, and any other specific annotations and based on its scope it will be…
Spring JPA order by query
1. Overview This article is about Spring JPA order by the query, we will explain here soring data with ascending and descending order using spring JPA. While working with relational…
How to run spring boot using Maven & Gradle
1. Overview In this article, We will learn how to run a spring boot application using Maven or Gradle. Maven and Gradle are widely used build tools for dependency management,…
Spring Jackson enable pretty Json
1. Overview This article is about sping Jackson enable pretty Json or enable readable Json format. Spring boot provides default configurations with Jackson to convert Java POJO to Json. We…
Java regular expression for username
1. Overview This article is about for Java Regular Expression for username. While working with the application development username regular expression is very common, so it’s inspired us to provide…
Spring boot without parent pom
1. Overview In this article, we learn how we can include or configure maven dependency without parent pom. In some organization might have their own parent pom so we can…