Testing your Java classes with JUnit

Using elastic search with Java

Understanding Java Streams API

Understanding generics and wildcards in Java

Understanding lambda in Java 8

Type of polymorphism in Java

In this post, we will understand annotations and why they are important

In this post, we will learn the difference between eager and lazy loading in Hibernate ORM

Creating a database driven application

Let’s create a complete CRUD (create, read, update, delete) sample project with Eclipse + Tomcat + Maven

An introduction to how Maven works

First of all, the problem. In earlier days, when we had to use some external JAR files, we had to put them in a lib folder and then add them in build path. Now this caused us lot of trouble in version changes and mismatch. Also, we had to face dependency errors as well.