Category: Java Programming

In this post, we are going to discuss about Functions with Var-Args (Variable Number Of Arguments) concept in Scala. Introduction Var-Args Functions(Methods) means taking Variable Number of Arguments. As a…

Today we will learn how to convert String to byte array in java. We will also learn how to convert byte array to String in Java. String to byte array…

Spring Data JPA is part of Spring Data family. Spring Data makes it easier to create Spring driven applications that use new ways to access data, such as non-relational databases,…

In this article, we’ll explore Java Optional class which was introduced in Java 8. Java Optional One of the most frequently exception in java programming is NullPointerException. A Null value…

What is LRU Cache? LRU Cache stands for Least Recently Used Cache. The size of the cache is fixed and it supports get() and put() operations. When the cache is…