Apache PDFBox is an open-source Java library that allows users to create, manipulate, and extract data from PDF documents. In this tutorial, we'll cover the basics of using PDFBox in a Java project step by step. Prerequisites Before getting started, ensure you have the following: Java Development Kit (JDK) installed on your machine (version…
Jsoup is a Java library used for extracting and manipulating data from HTML and XML documents. In this tutorial, you'll learn how to perform web scraping using Jsoup step by step. Prerequisites Before starting, ensure you have the following: Java Development Kit (JDK) installed on your machine. A Java IDE like Eclipse, IntelliJ IDEA,…
Enterprise JavaBeans (EJB) is a server-side component architecture for Java EE (Enterprise Edition) applications. In this tutorial, we'll explore how to integrate Java classes with EJB to build robust and scalable enterprise applications. Prerequisites Before getting started, ensure you have the following: Java Development Kit (JDK) installed on your machine (version 8 or higher…
Spring Boot is a powerful framework for building Java applications with ease, providing a streamlined development experience and reducing boilerplate code. One common requirement in modern applications is to execute certain tasks asynchronously to improve performance and responsiveness. Spring Boot provides support for asynchronous processing through the @Async annotation. In this tutorial, we'll explore…
In Java programming, asynchronous programming is crucial for building responsive and scalable applications. Java 8 introduced the CompletableFuture class, which provides a powerful way to work with asynchronous tasks. In this article, we'll explore CompletableFuture and its various features with examples. Introduction to CompletableFuture CompletableFuture is a class added in Java 8 that represents…
jBPM (Java Business Process Management) is a powerful open-source workflow and business process management platform written in Java. It allows you to model, execute, and monitor business processes, making it a valuable tool for developing and automating business applications. In this tutorial, we'll cover the basics of jBPM integration with Java step by step.…
Java Naming and Directory Interface (JNDI) is an API in Java that provides naming and directory functionality to applications written in Java. It allows Java applications to look up objects or resources using a name, which may be associated with various naming or directory services, such as LDAP, DNS, or even local files. In…
Introduction In Java programming, dealing with null values is a common source of bugs and errors. Java 8 introduced the Optional class to address this issue and provide a more elegant and safer way to handle potentially null values. In this article, we will explore what Optional is, how it works, and how to…
ThreadLocal is a class in Java that provides thread-local variables. These variables differ from their normal counterparts in that each thread that accesses one (via its get or set method) has its own, independently initialized copy of the variable. This guide will explore the ThreadLocal class, its usage, and provide examples to illustrate its…
1. Introduction to Java Records Embark on a journey of discovery as we delve into the fascinating world of Java Records. Java Records represent a significant evolution in how developers manage data-centric classes within Java applications. These specialized classes prioritize data storage over behavior encapsulation, offering concise yet powerful structures to encapsulate state efficiently.…