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Java at 25: Highlights From The Past And a Look Ahead

The initial groundbreaking feature that had a significant impact wasn’t a modification to the Java language itself, but rather the substantial enhancement in library support during the early releases. This improvement spanned from version 1.0 to 1.3, introducing significant libraries like the Swing window toolkit, the Collections framework, an RPC-like API for remote invocations, JDBC […]

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Spring Context: Bean Scope and Lifecycle

Overview Spring offers multiple approaches to create beans and manage their lifecycles, referred to as scopes in the Spring world. In this article, we will delve into two common scopes you often encounter in Spring applications: singleton and prototype. Singleton is the default scope for a bean in Spring. And now, we will start with […]

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How to Handle Errors in JavaScript

Various Errors Runtime errors and syntax errors are the two basic forms of mistakes in JavaScript. When the code does not follow the conventions of writing, a syntax error occurs. Syntax mistakes, for instance, might result from things like wrong variable names, missed parentheses, or improper punctuation placement. Runtime problems occur during execution even when […]

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Usage of Spring Properties File

Introduction Properties files enable you to configure and update your application with different settings separately. You can define and utilize multiple properties files within your application. In this article, we will demonstrate how to define properties files and how to retrieve values from them within your application. Let’s begin by categorizing the usage of properties […]

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What is a Dockerfile? What are Dockerfile Commands?

Overview A Dockerfile is a configuration file used to create Docker containers. It specifies how the application will run and which dependencies will be installed. Docker uses this Dockerfile to create a container and turns this container into a file called an image. This image can then be run on any system. In this article, […]

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Usage of the Java Optional Class

Overview The Java Optional class is an elegant container for handling null values. Introduced in Java 8 and added to the Java.util package, the Optional class eliminates the need for numerous null value checks to protect your application from NullPointerExceptions at runtime. Before the Optional class, many developers used null or exceptions to indicate the […]

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What are Java Path and Classpath?

Introduction Java PATH and CLASSPATH are the two most important environment variables of the Java runtime used to locate JDK binary files for compiling and running Java on both Windows and Linux. They also help find the compiled Java bytecode files known as class files. What is Java PATH and How to Add It? Java […]

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What is the .m2 folder in Maven?

The “.m2” folder is a directory created by Apache Maven, a popular build and dependency management tool for Java projects. In this directory, Maven stores its local repository, which is used to cache and manage project dependencies. There are three types of Maven repositories: When you build a Maven project, Maven automatically downloads the required […]