In the realm of software testing, having a clear understanding of a test plan and a test case is crucial. While often used interchangeably, these two documents serve distinct purposes within… Read More
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Java 2 Java developers resource center, Java tutorials, Java news, Java How-To and more
MongoDB, a popular NoSQL database, offers powerful text search capabilities that allow developers to perform full and partial text searches on their data. Let us delve into understanding the… Read More
This article explores several techniques to efficiently find the closest number to zero in a Java array with positive integers taking priority over negative ones. This problem can arise in v… Read More
In today’s fast-paced digital world, the demand for high-quality, cross-platform applications has never been greater. Developers are constantly seeking efficient and effective tools to… Read More
Thread.sleep() is a Java method that pauses the execution of a thread for a specified duration. While it might seem like an easy solution to synchronization issues in Selenium test automatio… Read More
Java introduced virtual threads with Project Loom to simplify concurrency and improve the scalability of applications. Virtual threads are lightweight and have minimal overhead compared to t… Read More
Hello fellow geeks, Fresh offers await you on our Deals store, please have a look! The 2024 Premium Learn to Code Certification Bundle (97% off) Ending soon // by Java Code Geeks Stack Up Yo… Read More
Introduction Artificial Intelligence (AI) has revolutionized various industries, and marketing is no exception. The ability to leverage AI for marketing attribution and budget optimization h… Read More
The role of a Scrum Master has evolved significantly, demanding a unique blend of leadership, facilitation, and technical expertise. In today’s fast-paced, agile-driven environment, se… Read More
The web development landscape is constantly evolving, with new HTML elements emerging to enhance user experiences. One such game-changer is the tag. This relatively new element offers a sta… Read More
LangChain4J is a powerful framework that enables the integration of language models into Java applications. In this article, we will demonstrate how to use LangChain4J in a Spring Boot appli… Read More
In the realm of concurrent programming, ensuring data consistency while maximizing performance is a paramount challenge. Traditional locking mechanisms, while effective, often introduce over… Read More
The world of programming is constantly buzzing with new projects and innovations. Keeping track of the latest trends on platforms like GitHub can be overwhelming. This article unveils 6 of t… Read More
This article will explore implementing authentication in a Single Page Application (SPA) using the Proof Key for Code Exchange (PKCE) extension in the Spring Authorization Server. PKCE is a… Read More
JavaScript, the ubiquitous language of the web, constantly evolves. With the release of ECMAScript 2017 (ES8), JavaScript gained a powerful set of features that significantly improved its fu… Read More
React’s flexibility can be a double-edged sword. While it empowers developers to build dynamic UIs, it also opens doors for patterns that hinder maintainability and performance. These… Read More
Spock is a powerful testing framework for Java and Groovy applications, especially for writing unit and integration tests. It integrates seamlessly with the Spring framework. Let us delve to… Read More
Git integration in IntelliJ IDEA offers a powerful set of tools for version control, making it easier for developers to manage code changes, collaborate with team members, and maintain a cle… Read More
Java serialization, the seemingly simple act of turning objects into bytes for storage or transfer, has earned a reputation for being more trouble than it’s worth. While convenient in… Read More
Hello fellow geeks, Fresh offers await you on our Deals store, please have a look! Microsoft Project 2021 Professional (PC) (92% off) Ending soon // by Java Code Geeks A Comprehensive Projec… Read More
Hello fellow geeks, Fresh offers await you on our Information Technology Research Library, please have a look! Professional JavaScript for Web Developers, 5th Edition ($48.00 Value) FREE for… Read More
NumPy and Pandas are the bread and butter of any Python data scientist. They provide the foundation for data manipulation, analysis, and preparation. But the world of data science is vast an… Read More
Testing is a crucial aspect of software development, ensuring that code functions as expected and integrates well with other components. When working with Spring Boot applications that use P… Read More
Building dynamic and responsive user interfaces (UIs) is a cornerstone of modern web development. Front-end frameworks streamline this process, but managing data flow between your UI and und… Read More
Let’s say we handle massive datasets – a complex jungle of information that demands processing power and meticulous care. Traditional batch processing approaches, while effective… Read More
SSHJ is a Java library that simplifies SSH connections, file transfers, and command execution on remote servers. It provides a robust API for secure communication. Let us delve into understa… Read More
Hello fellow geeks, Fresh offers await you on our Deals store, please have a look! The 2024 ChatGPT & AI Super Bundle (91% off) Ending soon // by Java Code Geeks Harness the Power of AI… Read More
In the world of programming, managing side effects, handling optional values, and creating robust and maintainable code can be challenging. Monads, a powerful concept from category theory, o… Read More
Spring Batch provides essential functionalities such as transaction management, job processing statistics, job restart capabilities, and more. One of its key features is the ability to handl… Read More
In today’s data-driven world, ensuring the accuracy and consistency of information is paramount. JSON, a lightweight and human-readable format, is widely used for data exchange. Howeve… Read More
Building modern web applications often involves a separation of concerns: the frontend (client-side) handles user interactions and presentation, while the backend (server-side) manages data… Read More
In this article, we will explore and gain a comprehensive understanding of Micrometers in Quarkus. 1. Introduction Micrometer is a powerful metrics collection library that provides a simple… Read More
In this article, we will demonstrate how to read all the rows from an Excel (.xls or .xlsx) file using Spring Batch and save them into a database in a Spring Boot application. We will cover… Read More
JavaParser is a powerful library that provides an easy way to parse, analyze, and manipulate Java source code. It can be used for a variety of purposes, including static code analysis, code… Read More
The digital age has brought us incredible advancements, but it has also introduced new and ever-evolving threats. Our growing reliance on technology creates a vast attack surface for malicio… Read More
Have you ever interacted with a helpful customer service bot or a witty virtual assistant? These are chatbots, conversational AI programs that are revolutionizing how we interact with techno… Read More
Spring Batch is a popular framework for building batch applications in Java. One of the key features of Spring Batch is its ability to read and write data in various formats, including JSON… Read More
In this article, we will explore three different methods to find the second smallest number in an array using Java. These methods include: Using Array Sorting Using Single Pass Through Using… Read More
The vast ocean of web data holds valuable insights, but manually extracting it can be tedious. Enter the dynamic duo: Beautiful Soup and Selenium! This guide explores how these powerful Pyth… Read More
Static Site Generation (SSG) and Server-Side Rendering (SSR) are two popular approaches for building websites with Python. Let’s delve into the world of Poetry and Flit, the powerhouse… Read More
1. Introduction Java 8 introduced the java.util.Optional class to represent a value that may or may not be present to avoid NullPointerException. Converting an Optional to a java.util.ArrayL… Read More
Sharing your Python code with the world is a powerful way to collaborate and build innovative projects. But navigating the complexities of packaging can feel like venturing into a Python jun… Read More
Hello fellow geeks, Fresh offers await you on our Deals store, please have a look! Koofr Cloud Storage: Lifetime Subscription (1TB) (80% off) Ending soon // by Java Code Geeks Access All of… Read More
Hello fellow geeks, Fresh offers await you on our Information Technology Research Library, please have a look! AI for Absolute Beginners ($9.99 Value) FREE for a Limited Time The course begi… Read More
Imagine a world where your program can keep working on other things while waiting for slow tasks to complete. That’s the beauty of asynchronous programming. asyncio is a built-in Pytho… Read More
Two commonly used methods in Hibernate for retrieving objects from the database are load() and get(). Though they appear similar, they exhibit distinct differences in behaviour and use cases… Read More
Parallelism, where multiple tasks are executed simultaneously, can significantly improve performance by reducing the overall wait time for all the tasks to be completed. Let us delve into un… Read More
Working on large Maven projects can be daunting, especially when it comes to managing dependencies between modules and libraries and resolving conflicts among them. Let us delve into underst… Read More
The web development landscape has undergone a dramatic transformation in recent years. Once dominated by separate disciplines for front-end and back-end development, the rise of JavaScript (… Read More
While Python reigns supreme in the world of machine learning (ML), Java developers aren’t entirely left out. While TensorFlow and PyTorch primarily focus on Python for their core funct… Read More
Hello fellow geeks, Fresh offers await you on our Deals store, please have a look! Windscribe VPN Pro Plan (14% off) Ending soon // by Java Code Geeks The Privacy Solution You’ll Need!… Read More
When it comes to developing Java applications, unit testing is an essential practice. Two widely used tools in this domain are JUnit and Mockito. While they serve complementary purposes, und… Read More
The Byte Order Mark (BOM) signifies a file’s encoding but can lead to problems if not handled properly, particularly when dealing with text data. Additionally, it is not unusual to enc… Read More
The internet is on the cusp of a monumental transformation. We’re hurtling towards a new era defined by immersive experiences and three-dimensional interactions – welcome to the… Read More
In today’s interconnected world, APIs (Application Programming Interfaces) play a critical role in enabling communication between different applications and services. A well-designed A… Read More
When working with the Scanner class in Java for input, especially from the console, it is common to encounter issues related to leftover newline characters in the buffer. These residual char… Read More
A Keystore is a repository that contains security certificates and their corresponding private keys. Listing private keys from a keystore is an essential task for managing and verifying the… Read More
In Spring, a MultiValueMap is a structure for storing multiple values for a single key. This can be useful in scenarios such as HTTP parameters or headers where we might have multiple values… Read More
In this tutorial, we will delve into how Java allows us to use a constant to supply an enum value to an annotation, exploring various techniques and best practices. 1. What is Enum in Java?… Read More
In today’s web world, a website’s speed is no longer a luxury, it’s a necessity. Users expect websites to load instantly and respond flawlessly, and anything less can lead… Read More
CSS frameworks are like pre-built design systems for websites. They offer pre-written code (classes) that you can easily apply to your HTML elements to achieve common design styles. This sav… Read More
In this article, we will explore different approaches to getting the first and last elements from an array in Java. 1. What are arrays in Java? In Java, arrays are a fundamental data structu… Read More
In this article, we will explore different approaches for InputStream to Stream conversion in Java. 1. Introduction In Java, InputStream is a fundamental class in the java.io package that re… Read More
Both Svelte and React are popular frameworks for building modern web user interfaces (UIs). They offer different approaches, each with its own strengths and weaknesses. Here’s a quick… Read More
In today’s digital age, where websites are the backbone of countless businesses and information sources, ethical considerations in web development become paramount. While developers fo… Read More
When constructing our persistence layer using Spring Data JPA, we frequently deal with entities that contain enum fields. These enum fields represent a predefined set of constants, such as o… Read More
Java applications frequently interact with data in JSON (JavaScript Object Notation) format. Jackson Java Library provides tools for working with JSON data. One key aspect is converting raw… Read More
1. Introduction Converting a short value to a byte array is a common task when dealing with binary data. In this example, I will demonstrate short byte array conversion in the following ways… Read More
In the world of software development, managing changes to your code effectively is crucial. This is where Version Control Systems (VCS) come into play, and Git stands as the reigning champio… Read More
Hello fellow geeks, Fresh offers await you on our Deals store, please have a look! The Complete 2024 Microsoft Tech Certification Training Super Bundle (81% off) Ending soon // by Java Code… Read More
Hello fellow geeks, Fresh offers await you on our Information Technology Research Library, please have a look! Cloud Identity Patterns and Strategies ($28.99 Value) FREE for a Limited Time I… Read More
The world of web development is constantly evolving, and Jamstack architecture has emerged as a popular choice for building modern websites. This approach prioritizes speed, security, and sc… Read More
The article argues that reactive programming and Project Loom are complementary tools for building concurrent applications in Java, rather than competing approaches. It highlights the streng… Read More
In today’s competitive job market, a well-crafted developer portfolio can be the key that unlocks your dream career. It acts as your digital calling card, showcasing your skills, exper… Read More
Hello fellow geeks, Fresh offers await you on our Deals store, please have a look! The All-in-One Microsoft Office Pro 2019 for Windows: Lifetime License + Windows 11 Pro Bundle (81% off) En… Read More
In this article, we will explore different approaches to check if two strings are permutations of each other in Java. 1. What Is a String Permutation? A string permutation is a rearrangement… Read More
As we navigate through 2024, the DevOps landscape is experiencing a profound shift driven by artificial intelligence (AI) and machine learning (ML) at the forefront. This article explores ho… Read More
Serverless functions, powered by JavaScript, are revolutionizing how we build modern web applications. This introduction dives into the world of serverless functions, highlighting the advant… Read More
Gone are the days when content management systems dictated your website’s design. The rise of headless CMS, particularly with familiar tools like PHP, has revolutionized how developers… Read More
The magic of Progressive Web Apps (PWAs) lies when you have a web app that feels as smooth and responsive as a native app, even offline! This guide dives into building PWAs using Workbox, a… Read More
In this article, we will explore different approaches to check if a given number is a power of 2 in Java. We will cover the following methods: Loop Division Using Bitwise & Operations Co… Read More
Java’s Optional class provides a container object which may or may not contain a non-null value. This is useful for avoiding null checks and preventing NullPointerException. Sometimes… Read More
1. Understanding Apache Kafka Integration with Quarkus Apache Kafka – A Distributed Event Streaming Platform Apache Kafka is a widely-used open-source distributed event streaming platf… Read More
Imagine interacting with websites and applications through natural conversation. That’s the power of Voice User Interfaces (VUIs). VUIs are revolutionizing web development by enabling… Read More
In Java, managing date and time can involve converting between different types, such as ZonedDateTime and Date. This is particularly useful when dealing with legacy code or APIs that use the… Read More
In today’s competitive job market, securing a great position is just the first step. Negotiating a salary that reflects your worth is an essential skill that can significantly impact y… Read More
Spring Boot 3.x brings a wave of exciting new features and improvements designed to empower developers and enhance the performance and functionality of Java applications. This major release… Read More
The LangChain4j framework is an open-source library designed to seamlessly integrate Language Learning Models (LLMs) into Java applications. Drawing inspiration from the widely-used LangChai… Read More
In Java, iterating through a list of maps is a common operation with several techniques available, each offering distinct advantages. This article explores some of the most common methods, p… Read More
Queues and Lists are fundamental data structures in Java. The Java’s Queue interface represents a collection designed for holding elements prior to processing and used extensively in s… Read More
ECMAScript, the foundation of JavaScript, undergoes regular updates to enhance its capabilities and keep pace with evolving web development needs. ECMAScript 2024, the latest iteration, brin… Read More
Hello fellow geeks, Fresh offers await you on our Information Technology Research Library, please have a look! Multi-Cloud Handbook for Developers ($39.99 Value) FREE for a Limited Time Unle… Read More
The internet is on the cusp of a revolution, and at the heart of it lies Web 3.0. This next iteration promises a more decentralized, user-controlled web experience. But how do we interact wi… Read More
Spring Boot makes it easy to develop Spring applications with its pre-configured components. However, we often encounter the JdbcSQLSyntaxErrorException: Table not found error when using the… Read More
In JPA applications, we often encounter entities with parent-child relationships. Persisting these entities efficiently involves saving the parent and automatically persisting its associated… Read More
MongoDB, a popular NoSQL database, has a bit of a tangled relationship with the cloud. While it offers its own managed service, MongoDB Atlas, things get interesting when it comes to cloud p… Read More
In today’s world of big data and complex computations, programmers constantly seek ways to optimize their code for speed. Java 8 introduced a powerful tool for this purpose: parallel s… Read More
In Java, conversion between java.sql.Timestamp and java.time.ZonedDateTime can be essential for applications that interact with legacy systems that require this specific type and need to han… Read More
Hello fellow geeks, Fresh offers await you on our Deals store, please have a look! Microsoft Visio 2021 Professional for Windows (92% off) Ending soon // by Java Code Geeks Present Data &… Read More
In modern web development, REST APIs are essential for enabling communication between different systems and platforms. The Spring Framework, particularly Spring Boot, provides robust support… Read More