Java

Search algorithms are an integral part of programming and computer science. They are used to retrieve information stored within a data structure or database, and their efficiency directly impacts the … [Read more...] about How to Implement a Basic Search Algorithm in Java

Converting between different data types is an essential skill in Java programming, allowing you to manipulate and transform data based on requirements. Java is a strongly typed language, which means … [Read more...] about How to Convert Between Different Data Types in Java

The new Date and Time API introduced in Java 8 provides a comprehensive model for date and time manipulation. This tutorial will guide you through the core components of this API, its usage, and best … [Read more...] about How to Use Java’s New Date and Time API

Java's Reflection API is a powerful feature that allows you to inspect and manipulate the structure of classes, interfaces, fields, and methods at runtime. One of the more advanced uses of the … [Read more...] about How to Use Java’s Reflection API for Dynamic Proxy Classes

JSON Web Token (JWT) is a compact, URL-safe means of representing claims to be transferred between two parties. The claims in a JWT are encoded as a JSON object that is used as the payload of a JSON … [Read more...] about How to Implement JWT Authentication in Java

IntroductionThe Circuit Breaker pattern is a design pattern used in software development to prevent cascading failures in distributed systems. It helps to handle the failure of services gracefully … [Read more...] about How to Implement Circuit Breaker Pattern in Java with Resilience4j

IntroductionCommand Query Responsibility Segregation (CQRS) is a design pattern that separates the read and write operations of a data store. The main idea is to use different models to update … [Read more...] about How to Implement CQRS (Command Query Responsibility Segregation) in Java

Creating custom Gradle plugins for Java projects can significantly streamline your build process, improve project consistency, and enhance maintainability. This tutorial will guide you through the … [Read more...] about How to Create Custom Gradle Plugins for Java Projects

IntroductionJava is renowned for its safety and managed environment, with features like automatic memory management (garbage collection), bounds checking, and strong typing. However, there are … [Read more...] about How to Use Java’s Unsafe Class for Low-Level Programming

IntroductionDistributed tracing is an essential component in the realm of microservices and distributed systems. It allows developers to monitor and observe the flow of requests across different … [Read more...] about How to Implement Distributed Tracing in Java with OpenTelemetry

Applications, especially those accessible via the internet, are constantly targeted by malicious actors. For Java developers, understanding and implementing secure coding practices is essential to … [Read more...] about Secure Coding Practices for Java: Preventing Common Vulnerabilities (SQL Injection, XSS)

Concurrent programming is essential for building high-performance applications that efficiently utilize multi-core processors. Java provides robust support for concurrency through the … [Read more...] about How to Use Java’s ExecutorService for Concurrent Programming

Asynchronous programming is crucial for developing responsive and efficient applications. In Java, the CompletableFuture class introduced in Java 8 offers a powerful and flexible way to handle … [Read more...] about How to Use Java’s CompletableFuture for Asynchronous Programming

IntroductionJava Enhancement Proposal (JEP) 389, titled the Foreign Function and Memory API (FFM API), is a pivotal step towards enhancing Java's interaction with native code and memory. This … [Read more...] about JEP 389: Foreign Function & Memory API in Java

IntroductionOAuth2, or Open Authorization 2.0, is a standard protocol for authorization. While it's often mistakenly referred to as an authentication protocol, its primary job is to delegate … [Read more...] about Implementing OAuth2 with Spring Security in Java

IntroductionBrief about the Java Collections FrameworkThe Java Collections Framework (JCF) is a crucial and comprehensive set of classes and interfaces in Java's standard library, designed … [Read more...] about Java ArrayList: From Iteration to Custom Objects

IntroductionIn programming, unpredictability is a given. While crafting a Java application, developers often encounter unexpected situations—data might not arrive as anticipated, files we expect … [Read more...] about Exceptions in Java: Tips, Code Examples, and More

IntroductionJava Remote Method Invocation (RMI) is a technology that allows developers to create distributed Java applications where objects on one Java Virtual Machine (JVM) can invoke methods on … [Read more...] about Java Remote Method Invocation (RMI)

IntroductionCreating PDFs programmatically is a common requirement in software projects, ranging from generating reports to creating complex forms. While there are multiple languages and libraries … [Read more...] about Creating PDF Documents in Java using iText

IntroductionJava has undergone numerous evolutions since its inception in the mid-'90s. Its adaptability and commitment to improvement have been some of the pivotal reasons for its widespread … [Read more...] about Mastering Java Generics: From Basic to Advanced

Overview of Microservices ArchitectureMicroservices Architecture refers to a method of developing software applications as a suite of small, independent services that run in their own processes. … [Read more...] about Building Microservices Using Spring Boot and Docker

IntroductionBrief Explanation of OCROptical Character Recognition, or OCR, is a powerful technology used to convert different types of documents, such as scanned paper documents, PDF files, or … [Read more...] about Implementing an OCR System in Java Using Tesseract

Atomic variables in Java have gained significant importance over the years, especially in high-concurrency applications. They are essential to building efficient, scalable, and thread-safe programs. … [Read more...] about Working with Java’s Atomic Variables: A Deep Dive

IntroductionBrief Overview of Java I/OJava Input/Output (I/O) forms the backbone of most Java applications, enabling the movement of data in and out of the programs. Traditional Java I/O is … [Read more...] about Advanced Java I/O: NIO, NIO.2, and Asynchronous I/O

IntroductionDefining Reactive ProgrammingReactive Programming is a paradigm shift from the traditional, imperative style of programming that has long dominated the software industry. Unlike … [Read more...] about Reactive Programming in Java with Project Reactor and RxJava

IntroductionWhat is Domain-Driven Design?Domain-Driven Design, commonly referred to as DDD, is an approach to software development that prioritizes a deep understanding of the business domain. … [Read more...] about Implementing Domain-Driven Design with Java

Operator overloading is a compile-time polymorphism technique where an operator is overloaded to provide the special meaning to the user-defined data type. Operator overloading is used to perform … [Read more...] about Java Operators Overloading: Limitations and Workarounds

Java Networking and Socket Programming, in essence, are the cornerstones of Java's capabilities for inter-system communication. Java provides an extensive collection of classes and interfaces for … [Read more...] about Java Networking: Advanced Socket Programming and Network Protocols

In Java development, JShell has become an indispensable tool for developers looking to streamline their coding process. Introduced in Java 9 as the official Java REPL (Read-Eval-Print Loop), JShell … [Read more...] about JShell: Advanced Usage and Customization of Java REPL

WebSocket applications have revolutionized the way we interact with web-based services by enabling real-time, bidirectional communication between clients and servers. Unlike traditional HTTP … [Read more...] about Building High-Performance WebSocket Applications with Java and Netty

IntroductionIn software development, efficient utilization of computational resources is a perpetual goal, particularly when it comes to multi-threaded programming. This need is even more … [Read more...] about Java Concurrency Utilities: Custom Thread Pools and Schedulers

You may have encountered situations where you need to extend or customize the functionality of a library or framework without modifying its original source code. Service Provider Interfaces (SPIs) are … [Read more...] about Java ServiceLoader: Implementing and Customizing Service Provider Interfaces (SPIs)

Java Flight Recorder (JFR) is a high-performance data collection framework that allows developers to monitor and diagnose Java applications with minimal overhead. It is an indispensable tool for … [Read more...] about Java Flight Recorder: Advanced Profiling & Diagnostics Techniques

Java Object Serialization is a mechanism that allows developers to convert an object's state into a byte stream, which can then be transmitted or stored. Once the object's state is saved, it can be … [Read more...] about Java Object Serialization and Custom Serialization Techniques