Java
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Inheritance and polymorphism
inherit summary origin When the same attributes and behaviors exist in multiple classes, these contents are extracted …… -
Network programming
primary coverage Learning objectives Chapter 1 Introduction to network programming 1.1 software structure B / S struct…… -
New features of jdk8
primary coverage Learning objectives Chapter I functional interface 1.1 concept Functional interface in Java refers to…… -
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 …… -
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…… -
Lambda expression
primary coverage Teaching objectives -[] be able to understand the advantages of functional programming over object-or…… -
Common API_ two
primary coverage Learning objectives -[] be able to describe the characteristics of the object class - [] be able to o…… -
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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Maven Foundation
Maven introduction What is Maven Maven's correct pronunciation is[ ˈ mev ə n] , not "horse plague" and other plagues. …… -
Enterprise authority management system
brief introduction This project uses spring + spring MVC + mybatis framework integration for enterprise background per…… -
Cookie&Session
primary coverage 1. 会话技术 1. Cookie 2. Session 2. JSP：入门学习 Conversation Technology 1. 会话：一次会话中包含…… -
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…… -
Maven Foundation
Maven introduction What is Maven Maven's correct pronunciation is[ ˈ mev ə n] , not "horse plague" and other plagues. …… -
Collection, generic
primary coverage Learning objectives Chapter 1 collection 1.1 collection overview Since both sets and arrays are conta…… -
Request&Response
I reviewed the contents of request and response in these two days. primary coverage HTTP * 概念：Hyper Text Transfer P…… -
Multithreading
primary coverage Learning objectives Chapter 1 multithreading Before, the programs we learned were executed from top t…… -
EL&JSTL
primary coverage 1. JSP: 1. 指令 2. 注释 3. 内置对象 2. MVC开发模式 3. EL表达式 4. JSTL标签 5. 三层架构 JSP: 1. …… -
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…… -
【SpringCloud】06. Eureka summary
1. Two notes: 1. @ enableeurekaserver - add on startup class It provides the function of service registration. After e…… -
Java knowledge necessary for testing (3) — collection and map related
Set correlation Differences among list, set and map Differences among vector, ArrayList and LinkedList Vector: dynamic…… -
Easy to remember questions in java test (I)
The author is good at c# language and will take the exam in April. Learning Java is just for the exam. How to learn th…… -
Java knowledge necessary for testing (I) — Java Foundation
Java Foundation How does Java work? The developed java source code is compiled into a platform independent bytecode fi…… -
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…… -
【SpringCloud】05. High availability of Eureka
1. Simple situation 2. In order to achieve high availability of Eureka, multiple Eureka can register with each other. …… -
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 virtual machine architecture
I. data type Similar to data types in the Java programming language, The data types that Java virtual machine can oper…… -
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…… -
Design pattern – singleton pattern
Design pattern It is a summary of the experience of classification, cataloging and code design that is repeatedly used…… -
Window – install Java
JDK Download Official website: https://www.oracle.com/java/technologies/javase-jdk8-downloads.html Baidu online disk: …… -
Some thoughts on code refactoring
Recently, the company engaged in zhongtaihua again. I was lucky to participate in the reconstruction of one of the pro……