Introduction In the realm of secure communication over networks, Mutual Transport Layer Security (mTLS) stands out as a robust protocol for ensuring both authentication and encryption between client and server. Building a Java client-server application with mTLS not only enhances security but also establishes a trustworthy connection where both parties can verify each other's…
Apache HttpClient is a powerful library in Java used for making HTTP requests to servers. It provides a simple and flexible API to interact with RESTful web services, download/upload files, and more. In this tutorial, you'll learn how to use Apache HttpClient in Java to perform common HTTP operations. Prerequisites Before you begin, ensure…
Learn how to efficiently handle file manipulation and stream handling in Java with Apache Common IO library. This tutorial provides examples and best practices for utilizing this powerful library in your Java projects. Apache Common IO is a robust Java library that simplifies input/output operations, making file manipulation and stream handling easier and more…
In Java, the java.util.Arrays class is a utility class that provides various static methods to work with arrays. It includes methods for sorting, searching, copying, filling, and converting arrays. The Arrays class is part of the Java Collections Framework (java.util package) and is widely used when working with arrays in Java applications 1. Introduction…
In Java, the Iterator interface provides a way to traverse (or iterate over) the elements in a collection without exposing the underlying implementation of the collection. It allows you to sequentially access each element in the collection and perform operations like removal, if supported by the underlying collection. Table of Contents Introduction to Iterator…
In Java, Queue and Deque are interfaces in the java.util package that provide implementations for FIFO (First-In-First-Out) and double-ended queue (Deque) data structures respectively. These interfaces are part of the Java Collections Framework and offer a variety of methods for adding, removing, and inspecting elements in a queue or deque. In this tutorial, we'll…
In Java, the java.util.List interface represents an ordered collection of elements. Lists allow duplicates and maintain the insertion order of elements. There are several implementations of the List interface provided by the Java Collections Framework, each with its own characteristics and use cases. In this tutorial, we'll cover some common implementations of the List…
Java Collections Sets play a crucial role in Java programming, offering a powerful way to store unique elements efficiently. In this guide, we'll explore the various types of sets available in the Java Collections framework and how to leverage them effectively in your projects. https://youtu.be/cFc7_ShK07Y Table of Contents Introduction to Sets HashSet LinkedHashSet TreeSet…
When it comes to testing in Java, developers often face the dilemma of choosing the right mocking framework. Three popular options frequently debated are PowerMock, WireMock, and Mockito. Each of these frameworks offers unique features and capabilities tailored to different testing scenarios. PowerMock empowers developers to mock static methods, final classes, and private methods,…
In the realm of Java development, effective documentation is paramount for understanding code functionality and promoting collaboration among developers. JavaDoc stands as a cornerstone tool, facilitating the generation of comprehensive API documentation directly from source code comments. In this tutorial, we'll delve into the art of documenting Java code with examples, showcasing how JavaDoc…