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Introduction Heap pollution is a situation that arises in Java during runtime when a variable of a parameterized type refers to an object that is not of that parameterized type. It's a term often encountered when working with generics. This article seeks to unravel the concept of heap pollution in Java and provide guidance on how to resolve and prevent it What are Generics in Java? Before we delve into heap pollution, let's quickly review Java generics. Generics were introduced in Java 5 to provide type-safety and to ensure that classes, interfaces, and methods could be used with different data ... Read More
Introduction In Java, concurrency and multithreading are fundamental concepts that facilitate simultaneous execution of two or more parts of a program to maximize the utilization of CPU. The start() method plays a pivotal role in this process. This article delves into the workings of the start() function in Java multithreading, explaining its purpose and significance. Java Multithreading A Brief Overview Multithreading is one of Java's core features, allowing multiple sequences of code, known as threads, to execute concurrently within a single program. By enabling concurrent execution, Java allows more efficient use of CPU resources, particularly on systems with multiple ... Read More
Introduction Servlets have long been a cornerstone of Java-based web development. However, as web technologies have evolved, several alternatives to Servlets have emerged, offering various features and paradigms that suit different development needs. This article provides an overview of these alternatives and discusses their strengths and applicability in different contexts Understanding Servlets Servlets are Java programs that run on a web server, acting as a middle layer between a request from a web browser or other client and the server's response. Despite being a powerful technology for building web applications, Servlets can become complex when used in large-scale applications. Let's ... Read More
Introduction Java continually evolves to meet modern programming needs, and one of its newest features, Java Records, introduced in JDK 16, simplifies the task of modeling data. This article sheds light on Java Records, detailing how they work alongside constructors and methods to streamline your Java coding experience Understanding Java Records Java Records are a type of class that aims to simplify the representation of "plain data" in your applications. Essentially, they are immutable data carriers used to encapsulate a few final fields, termed 'components', along with methods to access them Before Records, developers had to write a substantial amount ... Read More
Introduction Spring MVC, an integral part of the Spring Framework, has made web development a streamlined process. One of its noteworthy features, the WebApplicationContext, is central to understanding how Spring applications work. This article provides an in-depth exploration of the WebApplicationContext in Spring MVC, its significance, and its role in enhancing your web application's efficiency What is Spring MVC? Spring MVC (Model-View-Controller) is a Java framework used to create flexible, secure, and scalable web applications. Built on the Spring Framework's core concepts, it leverages Dependency Injection (DI), Aspect-Oriented Programming (AOP), and several other features to make web application development seamless ... Read More
Introduction In the vibrant world of web development, Java remains one of the top programming languages that offer robust solutions for diverse projects. It is versatile, platform-independent, and packed with powerful features that make it ideal for developing dynamic, data-driven web applications. If you're just starting your web development journey, learning Java can be a game-changer. This comprehensive beginner's guide will provide a clear understanding of web development using Java technology. What is Java? Java is a high-level, object-oriented programming language designed with simplicity and versatility in mind. It was developed by Sun Microsystems (now Oracle Corporation) with the mantra ... Read More
Welcome to this comprehensive guide on web browsers that support Java applets and how to enable them. As one of the oldest technologies used for adding interactive content to web pages, Java applets are still occasionally encountered, even though the technology is considered outdated and many modern browsers no longer support it. This article aims to provide you with an understanding of how Java applets work with various web browsers and how to enable them. Understanding Java Applets Java applets are small applications written in the Java programming language and embedded in a web page. The primary purpose of a ... Read More
Welcome to this comprehensive guide on utilizing the ViewResolver interface in Spring MVC. As a core component of Spring's MVC framework, ViewResolver plays a pivotal role in mapping view names to actual views. Whether you're new to Spring MVC or looking to refresh your understanding, this article aims to provide a clear and detailed examination of ViewResolver Understanding ViewResolver in Spring MVC In the context of Spring MVC, the ViewResolver interface assists in mapping logical view names, returned by the Controller, to actual view objects, such as JSPs or Thymeleaf templates. It forms a bridge between the controller and the ... Read More
In the realm of Android app development, creating interactive and intuitive UI is crucial for an engaging user experience. One such tool in the Android developer's toolkit is the ViewPager2 widget. This article serves as a comprehensive guide on the implementation of ViewPager2 in Android, augmented with a hands-on example. Introduction to ViewPager2 ViewPager2 is a significant improvement over the original ViewPager library. It offers more flexible orientation support, right-to-left (RTL) layout support, and a better swipe feature, making it a go-to choice for creating swipeable or scrollable user interfaces. Setting up ViewPager2: A Step-by-Step Guide Let's dive into the ... Read More
The Android ViewPager widget is a vital component in building swipeable or scrollable user interfaces. It allows the user to flip left and right through pages of data, which is a common pattern seen in various applications today. In this comprehensive guide, we will explore how to use ViewPager with Fragments in Android, fortified with a practical example to facilitate your understanding. Introduction to ViewPager and Fragments Before we dive into the coding, let's understand the basics of ViewPager and Fragments − ViewPager − A layout manager that allows the user to flip left and right through pages of ... Read More