more and more
Java 8 Interview Questions(+ Answers) 1. Introduction In this article, we are going to explore some of the JDK8-related questions that might pop up during an interview. Java 8 is a platform release packed with new language features and library classes. Most of these new features are geared towards achieving… Continue Reading java-8-interview-questions
getdocs
Nested Classes in Java 1. Introduction This tutorial is a quick and to-the-point introduction to nested classes in the Java language. Simply put, Java allows us to define classes inside other classes. Nested classes enable us to logically group classes that are only used in one place, write more readable… Continue Reading java-nested-classes
getdocs
Brief Introduction to Java Thread.yield() 1. Overview In this tutorial, we’ll explore the method yield() in Thread class. We’ll compare it with other concurrency idioms available in Java and eventually explore the practical applications of it. 2. Synopsis of yield() As the official documentation suggests, yield() provides a mechanism to… Continue Reading java-thread-yield
getdocs
Introduction to Spring Data Elasticsearch 1. Overview In this article we’ll explore the basics of Spring Data Elasticsearch in a code-focused, practical manner. We’ll show how to index, search, and query Elasticsearch in a Spring application using Spring Data – a Spring module for interaction with a popular open-source, Lucene-based… Continue Reading spring-data-elasticsearch-tutorial
getdocs
Spring MVC Setup with Kotlin 1. Overview In this quick tutorial, we’ll take a look at what it takes to create a simple Spring MVC project with the Kotlin language. 2. Maven For the Maven configuration, we need to add the following Kotlin dependencies: <dependency> <groupId>org.jetbrains.kotlin</groupId> <artifactId>kotlin-stdlib-jre8</artifactId> <version>1.1.4</version> </dependency> We… Continue Reading spring-mvc-kotlin
getdocs
Writing to a File in Kotlin 1. Overview In this quick tutorial, we’ll learn about various ways of writing content into a file using Kotlin extension methods – available in its standard library. 2. Kotlin File Extensions Kotlin provides various ways of writing into a file in the form of extension… Continue Reading kotlin-write-file
getdocs
How to Set a Header on a Response with Spring 5 1. Overview In this quick tutorial, we’ll go through different ways of setting a header on a service response, either for non-reactive endpoints or for APIs using Spring’s 5 WebFlux framework. We can find further information about this framework in… Continue Reading spring-response-header
getdocs
A Guide to MongoDB with Java 1. Overview In this article, we’ll have a look at integrating MongoDB, a very popular NoSQL open source database with a standalone Java client. MongoDB is written in C++ and has quite a number of solid features such as map-reduce, auto-sharding, replication, high… Continue Reading java-mongodb
getdocs
Online Java Compilers 1. Introduction An online compiler is a tool which allows us to compile the source code and execute it online. This is a great option, especially for new Java students, tutors, or interviewers. Additionally, it’s super easy to share the code or collaborate in private or group sessions. Besides that,… Continue Reading java-online-compilers
getdocs
Singleton Session Bean in Java EE 1. Overview Whenever a single instance of a Session Bean is required for a given use-case, we can use a Singleton Session Bean. In this tutorial, we’re going to explore the this through an example, with a Java EE application. 2. Maven First of… Continue Reading java-ee-singleton-session-bean
getdocs