The differences between Get and Post
GET and POST are two commonly used request methods in the HTTP protocol, mainly used for data transmission between clients and servers. They are often asked about in interviews. Here…
GET and POST are two commonly used request methods in the HTTP protocol, mainly used for data transmission between clients and servers. They are often asked about in interviews. Here…
一、AJAX Basic Concepts 1.1 What is AJAX Creation and use of XMLHttpRequest instance 1.2 The difference between synchronous and asynchronous Synchronous: Asynchronous: 二、Detailed explanation of AJAX status codes 2.1 readyState…
CompletableFuture is a major new tool added in Java 8 to the java.util.concurrent library. Compared with the traditional Future, it supports many new features such as streaming computation, functional programming,…
In Java concurrent programming, volatile, synchronized, and ReentrantLock are three commonly used synchronization mechanisms. Each mechanism has its unique characteristics, advantages, disadvantages, and applicable scenarios. Understanding the differences between them…
1. Overview of Thread Pools (1) What is a Thread Pool A thread pool, simply put, is a mechanism that pre-creates a number of threads and uniformly manages and reuses…
Most programs need to collect input information and output results, and the forms of input and output are diverse. Let’s start with the most basic standard input and output. Introduction…
Multithreading refers to running multiple independent execution paths (threads) simultaneously in a program (process), where each thread can process different tasks in parallel or concurrently, thereby improving program execution efficiency…
What is Generics? Generics is a mechanism in programming that provides type safety and code reusability. Generics allow defining classes, interfaces, and methods without specifying specific types, which are instead…
The exception handling mechanism in Java is designed to deal with exceptions that occur during program execution by predefining handling methods. When an exception occurs, the program processes it according…
1.Concepts of Object-Oriented Programming Object-oriented programming centers on objects, emphasizing the roles and subjects of things. It uses objects for macro-level control, while still being process-oriented at the micro level.…