Java
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Xml & Tomcat
Xml What's the use of XML? Define XML Document declaration 简单声明，version : 解析这个xml的时候，使用什么版本的解析器…… -
Network programming
primary coverage Learning objectives Chapter 1 Introduction to network programming 1.1 software structure B / S struct…… -
Tomcat&Servlet
Today I reviewed Tomcat and servlet. I used eclipse last time and idea this time. primary coverage 1. web相关概念回顾 …… -
Lambda expression
primary coverage Teaching objectives -[] be able to understand the advantages of functional programming over object-or…… -
Share the httpwatch 10 pro with LIC activation file
Recently, when learning JavaWeb and capturing packets with httpwatch, I installed the normal version of 10 for the fir…… -
Map
primary coverage Learning objectives Chapter 1 map set 1.1 general In real life, we often see such a collection: IP ad…… -
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Enterprise authority management system
brief introduction This project uses spring + spring MVC + mybatis framework integration for enterprise background per…… -
How Java compares floating point numbers correctly
Look at the following code to compare D1 and D2 floating-point numbers. What will be the output result? double d1 = .1…… -
Collection, generic
primary coverage Learning objectives Chapter 1 collection 1.1 collection overview Since both sets and arrays are conta…… -
Multithreading
primary coverage Learning objectives Chapter 1 multithreading Before, the programs we learned were executed from top t…… -
List, set, data structure, collections
primary coverage Learning objectives Chapter I data structure 1.1 what is the use of data structures? When you use the…… -
JQuery
Today's content JQuery Foundation: JQuery advanced: JQuery Basics 1. 概念： 一个JavaScript框架。简化JS开发 * jQuery是…… -
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Spring getting started notes
Chapter 1 spring overview 1.1 spring overview 1.1. 1 what is spring Spring is a lightweight open source framework for …… -
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Inheritance and polymorphism
inherit summary origin When the same attributes and behaviors exist in multiple classes, these contents are extracted …… -
New features of jdk8
primary coverage Learning objectives Chapter I functional interface 1.1 concept Functional interface in Java refers to…… -
JAVA memory leak
Memory management in Java To understand memory leaks in Java, you must first know how memory in Java is managed. In Ja…… -
Common API_ two
primary coverage Learning objectives -[] be able to describe the characteristics of the object class - [] be able to o…… -
Summary of basic problems of Java generics
Generics is a new feature of Java se 1.5. The essence of generics is parameterized types, that is, the data type opera…… -
Source code analysis of PriorityQueue
an introduction to The PriorityQueue class is in Java 1 5 and as part of the Java Collections Framework. PriorityQueue…… -
Java GUI quick start
There are two toolkits for writing GUI in Java, AWT and swing. Swing is an extension of AWT. Swing has more components…… -
Window – install Java
JDK Download Official website: https://www.oracle.com/java/technologies/javase-jdk8-downloads.html Baidu online disk: …… -
【SpringCloud】03. Design principles of microservices
Design principles of microservices: 1、 AKF split principle The industry has a simple concept for scalable system arch…… -
Java thread Basics
preface What is a thread? Threads, Sometimes called lightweight process (LWP), it is the smallest unit of program exec…… -
Detailed analysis of HashMap source code (JDK1.8)
3. Variable definition The above defines some variables that will be used. It's good to be familiar with them. 3.1 tra…… -
【SpringCloud】04. Creation of springcloud Eureka server and client
!!! [scode type = "yellow"] version: SpringBoot 2.0. 0.M3 SpringCloud Finchley. M2 JDK 8 [/scode] !!! SpringCloud Eure…… -
Analyze the implementation principle of AQS through reentrantlock
For Java developers, they will encounter multi-threaded access to public resources. At this time, they often lock to e…… -
Operation of and, or, XOR
The two data involved in the operation are "XOR" according to binary bits. Operation rules: 0 & 0 = 0; 0&1=1; …… -
Java knowledge necessary for testing (2) — advanced things of Java
Java advanced Class loading process Load (create class object) - > connect (verify - prepare - parse) - > class …… -
【SpringCloud】07. Communication between applications
Inter application communication HTTP vs RPC 1. Two restful invocation methods between services in spring cloud Method ……