Tag: Java

Why String is immutable or final in Java? Immutable String in java.

If you are preparing for a java interview then this is one of the most interesting question you will encounter. Immutability means once created can not be changed. If someone changes the string object then new object will be created. For Java world, String Class is heart of Java language. If we talk about another

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Java String Interview Questions and Answers

When it comes to applying for a job in software development, having a good understanding of the String class can be essential for getting hired. Interviewers will often ask you specific questions about the Java String class in order to test your knowledge and ability to solve problems. In this blog article, we will discuss

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Advantages of Java:

Introduction: Java is a popular and versatile programming language that has been around since 1995. It is an object-oriented language with syntax similar to C and C++ which makes it easy to learn. There are a number of key advantages to using Java over other programming languages, such as: Advantages:

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What is WebSocket?

Introduction: WebSockets is a communication protocol that provides a persistent, bidirectional, full-duplex connection between a client and a server over a single TCP connection. It allows for real-time, interactive communication between the client and the server, enabling data to be transmitted in both directions simultaneously. Unlike traditional HTTP requests, which follow a request-response model, WebSockets

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HTTP Status Codes: A Comprehensive Guide

HTTP status codes are the result of an HTTP request. They tell you whether everything went well or not. In this comprehensive guide, we will cover all HTTP status codes and what they mean for your website. What are HTTP status codes?  HTTP status codes are a way of indicating the response of a request

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Unvalidated Redirects and Forwards | Server-side URL Redirect

Introduction Unvalidated Redirects and Forwards also called as URL Redirection or Server-side URL Redirect is a type of vulnerability found in most Web Applications. This vulnerability can be found in Java, Node.js, Python, PHP, Ruby, .NET and many more.  Unvalidated redirects and forwards occurs when a web application receives untrusted input in an HTTP request that could

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Hashing Interview Questions and Answers

Hashing is an important programming concept that is used in many areas including data storage and encryption. A good knowledge of hashing algorithms and data structures is crucial for any programmer looking to tackle larger projects. This article will provide an overview of the most commonly asked hashing interview questions and answers. Following are famous

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Strings in Java

Introduction: Strings in Java are immutable objects. This means that once a string object has been created, its contents cannot be modified. Strings are created with the String class, which offers several constructors and methods to manipulate strings. In Java, a String is an object that represents a sequence of characters. String literals are created

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How to Troubleshoot and Resolve Web Application Performance Issues

Introduction Web application performance is essential to the success of any business. Slow applications can frustrate customers, lowering customer satisfaction and loyalty. In addition, slow applications can also impact a company’s bottom line by costing businesses money in lost sales and extra server costs. This blog post provides an overview of some common problems that

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