包含标签：Java 的文章
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Learning series of Java Xiaobai collection source code: LinkedList
LinkedList source code learning Portal: learning series of Java Xiaobai collection source code: ArrayList This is the …… -
Basic usage of arrays class in Java
First knowledge of Java arrays class The arrays class includes many static methods (such as sorting and searching) for…… -
This of Java keyword
This of Java keyword concept This keyword can only be used inside a method to refer to the "object calling the method"…… -
Java concurrent reading notes: how to realize correct communication between threads
1、 Synchronized and volatile The synchronized keyword is a mutually exclusive built-in lock provided by Java. The loc…… -
Definition and use of Java array
1、 Array concept Multiple data of the same data type can be stored in the same container 1. Format 2. Array operation…… -
Java Web (5) – servlet details (Part 2)
1、 HttpServletRequest class 1. What is the role of HttpServletRequest? Every time a request enters the Tomcat server,…… -
Java Web (5) – servlet details (Part I)
1、 Servlet 1. What is a servlet 2. Manually implement the servlet program First, create a corresponding module in the…… -
Java common class – wrapper class
1、 Use of packaging import org.junit.Test; public class WrapperTest { //String类型 --->基本数据类型、包装类：调…… -
Java common class – string class
String related classes: String String class: represents a string. All string literals (such as "ABC") in Java programs…… -
Java Web(1)-JavaScript
1、 Combination of JavaScript and HTML code 1. The first method Just use the script tag in the head tag or the body ta…… -
Java multithreading detailed summary
1、 Basic concepts Program @ h_ 301_ 4@: a set of instructions written in a certain language to complete a specific ta…… -
Java object-oriented explanation – next
1、 Static public class TestCircle { public static void main(String[] args) { Circle c1 = new Circle(); Circle c2…… -
Java common class – object class
1、 Java Lang.Object class 1. Object class is the root parent class of all Java classes 2. If the extension keyword is…… -
Java comparator
Normally, objects in Java can only be compared = = or= You can't use > <, but in actual development, we need to …… -
Java Web(3)-XML
1、 Introduction to XML 1. What is XML? XML is an extensible markup language 2. What is the role of XML? 2、 XML synta…… -
Java Language Overview
1、 Java Basics 2、 Software 1. What is software? Software = data + instruction [command] + document 2. What does soft…… -
Detailed explanation of java object-oriented – Part 1
1、 Classes and objects 1. Composition of class 2. Properties Member variable vs local variable 3. Method Provide the …… -
Java Web (2) – jQuery
1、 JQuery first experience Use jQuery to bind click events to a button <!DOCTYPE html> <html lang="en"> &…… -
Java exception
1、 Abnormal? Java. In Java System Lang. throwable class is the root class of the exception [java.lang.throwable is th…… -
Spring boot (VII) mybatis code automatic generation and auxiliary plug-ins
1、 Introduction 1.1 introduction to mybatis generator Mybatis generator is an official product of mybatis. It is used…… -
Spring boot (II) integrating JSP and production environment deployment
1、 Introduction One development scenario that I have to say about Java is web development, which is also one of the m…… -
Java improvement class (V) in-depth understanding of bio, NiO and AIO
Introduction: in this article, you will get: the performance difference between same / asynchronous + blocking / non b…… -
Three simplest implementation methods of timing tasks (super practical)
Scheduled tasks are particularly common in actual development. For example, the e-commerce platform automatically canc…… -
Rabbitmq series (II) deeply understand the working principle and simple use of rabbitmq
Deeply understand the working principle and simple use of rabbitmq Rabbitmq series Introduction to rabbitmq Before int…… -
Why does Ali recommend using longadder instead of volatile?
The above content has two key points: But words have no basis. Even if it is said by the lonely big man, we have to pr…… -
Never initialize an instance with double curly braces, otherwise it will oom!
Embarrassment is everywhere in life. Sometimes you just want to pretend, but some "old comrades" always inadvertently …… -
Spring boot (VIII) mybatis + docker + mongodb 4 x
1、 Introduction to mongodb 1.1 introduction to mongodb Mongodb is a powerful, flexible and easy to expand general-pur…… -
Spring boot (XII) unit test JUnit
1、 Introduction JUnit is an excellent open source Java unit testing framework, and it is also the most popular testin…… -
Six tough moves of current limiting, with detailed code and evaluation results
For the convenience of work, last year I rented out my house in the northern suburbs and moved to the southern suburbs…… -
Why do you recommend enumerations?
Enumeration is a new data type in JDK 1.5. Using enumeration, we can well describe some specific business scenarios, s…… -
Spring boot (XIV) rabbitmq delay queue
1、 Foreword Usage scenario of delay queue: 1 If the order is not paid on time, the order will be cancelled after 30 m…… -
How to prove that sleep does not release the lock, but wait releases the lock?
Wait locking example public class WaitDemo { private static Object locker = new Object(); public static void ……