Introduction: Logging is an essential aspect of software development, providing a mechanism for recording information about the execution of a program. Java offers a built-in logging framework called java.util.logging, which provides a flexible and powerful way to log messages from Java applications. In this tutorial, we will explore the basics of Java Util Logging…
The @Autowired annotation in the Spring Framework is a powerful and commonly used feature for dependency injection. It helps manage the dependencies between Spring beans by automatically wiring them together. This tutorial will guide you through the basics of the @Autowired annotation, its usage, and examples to illustrate how it simplifies the dependency injection…
Spring Boot Actuator is a set of production-ready features that help you monitor and manage your Spring Boot application. It provides several built-in endpoints and features for gathering information about your application, such as health, metrics, environment properties, and more. In this tutorial, we'll explore the basics of Spring Boot Actuator and demonstrate how…
Introduction: Java NIO (New I/O) was introduced in Java 1.4 to provide a scalable and efficient I/O framework. Unlike the traditional I/O APIs in java.io, NIO introduces the java.nio package, offering features such as non-blocking I/O and memory-mapped files. In this tutorial, we'll explore the fundamental concepts of Java NIO and walk through practical…
Introduction: Logging is an integral part of any software application, aiding developers in tracking and diagnosing issues, monitoring application behavior, and providing valuable insights. Apache Log4j is a widely-used logging framework in the Java ecosystem, known for its flexibility and configurability. In this tutorial, we will explore the basics of Apache Log4j and guide…
XML (eXtensible Markup Language) is a widely used format for representing structured data. Java provides a powerful set of APIs for processing XML, allowing developers to read, write, and manipulate XML documents. In this article, we'll explore the Java XML processing capabilities with a focus on the javax.xml package, covering key concepts and providing…
Introduction: Java, with its extensive standard library, provides a robust and versatile package for handling compression and decompression tasks through java.util.zip. In this tutorial, we will explore the functionalities offered by this package and demonstrate its usage with practical examples. 1. Basics of java.util.zip: 1.1 ZipOutputStream: ZipOutputStream allows you to create a ZIP file…
1. Introduction: In Spring Boot, @Qualifier and @Bean annotations work together to resolve ambiguity when multiple beans of the same type exist in the Spring container. @Qualifier is used to specify the exact bean to be injected, and @Bean is used to define custom beans. 2. @Qualifier Annotation: @Qualifier is used to specify the…
The @PostConstruct and @PreDestroy annotations in Spring Boot are used to indicate methods that need to be executed after bean initialization and before bean destruction, respectively. These annotations are commonly used for initializing and cleaning up resources associated with a Spring bean. 1. Introduction: In Spring Boot, the @PostConstruct annotation is used to annotate…
The @Order annotation in Spring Boot allows you to control the order in which components are loaded or executed within the application context. It is commonly used when you have multiple components of the same type and you want to specify the order in which they should be processed. Below is a tutorial that…