Spring Boot is designed to simplify the development of Spring-based applications by providing a range of features and functionalities. One of its key features is auto-configuration, which helps developers quickly set up and start working on their applications with minimal configuration. What is Auto Configuration? Auto-configuration is a mechanism in Spring Boot that automatically configures […]
Spring MVC (Model-View-Controller) is a part of the Spring Framework that provides a comprehensive and flexible web development framework. It is designed to simplify the development of web applications by providing a clear separation of concerns between the various layers of an application. Core Components of Spring MVC DispatcherServlet: Acts as the front controller in […]
The lifecycle of a Spring bean involves several stages, from instantiation to destruction, managed by the Spring IoC (Inversion of Control) container. Understanding this lifecycle is crucial for effectively utilizing Spring’s capabilities and for implementing custom initialization and destruction logic. 1. Bean Definition Before the Spring IoC container can create and manage beans, it needs […]
Containers Container in the context of Spring refers to the Spring IoC (Inversion of Control) Container. This container is at the core of the Spring Framework and is responsible for managing the lifecycle and configuration of application objects. Types of Containers: BeanFactory: The simplest container providing basic dependency injection capabilities. ApplicationContext: A more advanced container […]
Introduction to Spring Security Spring Security is a powerful and customizable authentication and access-control framework for the Java-based enterprise software development environment. It is a part of the larger Spring Framework and provides comprehensive security services for Java applications, protecting them against common security threats such as authentication attacks, session fixation, cross-site request forgery, and […]
Here are some common design patterns categorized into three main groups: creational, structural, and behavioral. Creational Design Patterns: Singleton Pattern Factory Method Pattern Abstract Factory Pattern Builder Pattern Prototype Pattern Object Pool Pattern Structural Design Patterns: Adapter Pattern Bridge Pattern Composite Pattern Decorator Pattern Facade Pattern Flyweight Pattern Proxy Pattern Behavioral Design Patterns: Chain of […]
Java 8 Features: Lambda Expressions: Enables functional programming by allowing the creation of anonymous functions. Stream API: Provides a fluent API for processing collections of data in a functional style. Functional Interfaces: Interfaces with a single abstract method, used for lambda expressions. Default Methods: Allows interfaces to have method implementations. Method References: Provides a shorthand […]
Concurrency and Multithreading: Understanding of Java’s concurrency utilities (java.util.concurrent) such as ExecutorService, ThreadPoolExecutor, CountDownLatch, Semaphore, etc. Synchronization mechanisms like synchronized blocks, volatile keyword, ReentrantLock, ReadWriteLock, etc. Familiarity with Java’s threading model, thread states, thread pools, and best practices for writing thread-safe code. Java Memory Model (JMM) and Garbage Collection: Knowledge of Java memory management, including […]
1. Closures: Explanation: A closure is a fundamental concept in JavaScript that allows functions to retain access to variables from their parent scopes even after the parent functions have finished executing. In JavaScript, functions are first-class citizens, meaning they can be passed around as arguments, returned from other functions, and assigned to variables. When a […]
Blockchain technology is no longer just associated with cryptocurrencies like Bitcoin. It has emerged as a game-changer for several industries, including healthcare. Blockchain is a decentralized, distributed digital ledger that allows secure, transparent, and tamper-proof transactions. It is transforming the healthcare industry by improving data security, enhancing patient privacy, and increasing efficiency. Here are a […]
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