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Exception handling is a crucial aspect of Java programming, particularly when designing APIs and ensuring robust application behavior. This article outlines best practices for handling exceptions in Java, using Spring Boot for RESTful APIs, and emphasizes the importance of providing clear, helpful error messages to consumers. Here’s a comprehensive look into exception handling, using references Continue Reading »
Memory management is a critical aspect of web development, ensuring that applications run smoothly and efficiently without consuming excessive system resources. In the context of React, a popular JavaScript library for building user interfaces, effective memory management can significantly enhance the performance and user experience of your applications. This blog post delves into the key Continue Reading »
Spring Boot is known for its simplicity and ease of use, largely due to its extensive use of annotations. These annotations help configure and manage the application in a declarative way, reducing boilerplate code and enhancing readability. Here, we’ll explore some of the most commonly used annotations in Spring Boot. 1. @SpringBootApplication This is a Continue Reading »
What is Next.js? Next.js is a powerful React framework that extends upon React by offering features like static site generation (SSG), server-side rendering (SSR), and automatic code-splitting. This translates to lightning-fast performance, improved SEO, and a delightful developer experience. Why Next.js? Blazing-Fast Performance: Next.js pre-renders pages at build time, minimizing the amount of work required Continue Reading »
In the realm of web development, where speed and performance are paramount, optimizing your React.js application is key to delivering a seamless user experience. One powerful technique for achieving this is “Code Splitting.” This blog post will explore the concept of code splitting, its benefits, and how you can implement it in your React applications Continue Reading »
Introduction: The world of asynchronous programming in JavaScript, with a focus on the powerful async/await syntax. Before we dive into the specifics of async/await, let’s take a moment to understand the challenges posed by synchronous code execution in JavaScript. Section 1: Synchronous Code and Its Limitations: JavaScript traditionally executes code synchronously, meaning it processes one Continue Reading »
In the realm of modern software development, testing is indispensable. It ensures the reliability, stability, and quality of our codebases. Among the plethora of testing frameworks available, Jest stands out as a powerful and developer-friendly tool for testing JavaScript applications. In this comprehensive guide, we will delve deep into Jest, uncovering its features, best practices, Continue Reading »
In the ever-evolving landscape of software development, Google’s Dialogflow is a powerful tool that enables developers to build conversational interfaces form applications, and integrating it with a Spring Boot backend can provide a seamless and efficient user experience. In this guide, we will explore the steps to integrate Dialogflow into a Spring Boot application, empowering Continue Reading »
Introduction The event loop is a mechanism that is an integral part of the browser environment and runs continuously, whether the code is synchronous or asynchronous. The primary function of the event loop is to manage the execution of JavaScript code, placing callbacks in a queue and pushing them onto the call stack when they Continue Reading »
In the ever-evolving landscape of web application development, choosing the right framework for your backend can make all the difference. One such framework that has been gaining significant attention and popularity is NestJS. With its unique blend of modern JavaScript and TypeScript features, as well as its modular architecture inspired by Angular, NestJS has quickly Continue Reading »
In JavaScript, a polyfill is a piece of code (usually a JavaScript script) that provides modern functionality to older browsers or environments that lack support for certain features. Polyfills help bridge the gap between what’s available in modern JavaScript and what’s supported in older browsers, allowing developers to use newer features without worrying about compatibility Continue Reading »
Java 17 was released in September 2021 and it comes with several new features and improvements. In this blog, we will take a closer look at some of the most notable features of Java 17. Sealed Classes (JEP 409) Sealed classes are a new type of class introduced in Java 17. They provide more control Continue Reading »
A temporal dead zone (TDZ) is the area of a block where a variable is inaccessible until the moment the computer completely initializes it with a value. A block is a pair of braces ( {…} ) used to group multiple statements. The temporal Dead Zone is the period of time during which the let Continue Reading »
Java applets are small programs that run on a web browser to perform a specific task. They were introduced with the release of the first version of Java in 1995 and quickly became popular for their ability to add dynamic content to web pages. Applets are essentially mini-programs that are written in Java and run Continue Reading »
Function in JavaScript Function is a block of law that is designed to perform a particular task is called JavaScript Function Type of function in JavaScript Named Function Anonymous Function Immediately invoked function expressions Named Function Named function is the function that we define it in the law and also call it. Whenever we need Continue Reading »
Java Predicate is a functional interface that is part of Java.util.function package. It was introduced in Java 8. It represents a single argument function that returns a boolean value. A Predicate takes an input and returns either true or false, depending on the condition that is specified in the function. Using predicate to check if Continue Reading »
Memoization is a powerful technique used in computer science to optimize the performance of functions that are called repeatedly with the same arguments. In JavaScript, memoization is particularly useful for expensive computations that involve complex algorithms or data structures. At its core, memoization involves caching the result of a function based on its input arguments. Continue Reading »
Before discussing into JavaScript pass-by-reference or pass-by-value function, it is known about the difference between primitive and non-primitive. Primitive Values: – Data Types string, number, null, undefined, symbols, and Boolean are primitive values. Primitive values are passed by value in JavaScript. Non Primitive Values: – object, array, and function are non-primitive values. All objects and Continue Reading »
Oracle provides new Java versions every six months. Even before it was launched, the September Java 11 version created quite a stir in the computer science industry by announcing that commercial usage of Java would subsequently be charged. The following articles will highlight major JDK 11 features, advancements, and deprecated functionality. Important Changes and Information: Continue Reading »
Performance tuning is an essential aspect of software development, especially in enterprise-level applications where performance plays a significant role in user satisfaction and system stability. Java, being a popular programming language for enterprise-level applications, provides many tools and techniques for performance tuning. In this blog, we will discuss performance tuning in Java and the best Continue Reading »
In today’s digital age, communication is key. Whether it’s writing an email, drafting a blog post, or creating a social media update, we’re always looking for ways to improve the way we communicate. That’s where a rich text editor comes in. With a rich text editor, you can easily format your text, add images, and Continue Reading »
A unary function is a mathematical function that takes only one argument or input. It is a function of a single variable, which means that it operates on a single operand. The term “unary” comes from the Latin word “unarius” meaning “consisting of one.” For example, the function f(x) = x^2 is a unary function Continue Reading »
The actuator is mainly used to expose operational information about the running application — health, metrics, info, dump, env, etc. It uses HTTP endpoints or JMX beans to enable us to interact with it. Once this dependency is on the classpath, several endpoints are available for us out of the box. The main benefit of Continue Reading »
In Java, HashMap is a widely used data structure that stores elements in key-value pairs. It provides constant-time performance for basic operations like adding, removing, and accessing elements. The implementation of HashMap relies heavily on the equals and hashCode methods, which are used to ensure the uniqueness of keys and the efficiency of lookup operations. Continue Reading »
Introduction:- Open API (open application programming interface) Open API Generator can generate code based on an Open API yaml specification. We can generate request models, response models, and controllers of API. Following are the steps to create java code from Open API:- Step 1:-Create a yaml file for your API By using this Swagger.io, below Continue Reading »
As per the definition of Javascript Developer, Closure is defined as the combination of a function bundled together (enclosed) with references to its surrounding state (the lexical environment). But what is meant by the terms “enclosed”, “surrounding state“, and lexical environment? No need to worry, we’ll discuss their terms and closure in this article with Continue Reading »
In Javascript, both the spread and rest operators have the same syntax which is three dots(…) but they differ in their function. The main difference between them is that the spread operator expands the array into multiple elements while the resting operator Condenses them into a single element Merge two arrays using the spread operator Continue Reading »
Carina Open Source Testing Tools : Carina is a Java-based test automation framework that unites all testing layers: Mobile applications (web, native, hybrid), WEB applications, REST services, and Databases. Pros ● Carina Framework is built on top of the most popular open-source solutions like Selenium, Appium, and TestNG allowing to reduce dependence on the specific Continue Reading »
Abstraction is a process of hiding the internal details of an application from the world and showing only functionality to the user. Example – A man driving a car. The man only knows that applying brakes will stop the car, but he does not know about the inner mechanism of the car or the implementation Continue Reading »
HTML forms allow users to enter data into input fields that accept text, passwords, emails, numbers, colors, phone numbers, dates, and more. Once all inputs have been collected, the form can be submitted for further processing using the submit button. React Form HTML form elements maintain their own state. Updating this state property is only Continue Reading »