包含标签：Java 的文章
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Caching strategies commonly used in J2EE development
1、 What is cache? 1. Cache is a special memory subsystem of cache memory, in which frequently used data is copied for…… -
Installation and use of ActiveMQ
1、 Installation of ActiveMQ Environment: CentOS 6, jdk8 1. Ensure that the system has installed the available JDK ver…… -
How many ways to implement Java multithreading? How are threads synchronized
There are two ways to implement multithreading in Java: < span style = "font size: 15px;" > 1. Directly inherit…… -
Detailed explanation of generics in Java – Java programming idea
Generics in Java refer to C + + templates. The boundary of Java is the limitation of Java generics. One of the most co…… -
Network programming
1、 Seven layer model of network From bottom to top are physical layer (circuit, wiring) - data link layer (switch) - …… -
Summary of 30 interview questions in Java
A start() B run() C exit() D getPriority() Answer: abd 2. The following is about Java The correct statement of lang. e…… -
Message Oriented Middleware
1、 What is message oriented middleware Message oriented middleware is the basic software for sending and receiving me…… -
Java eclipse breakpoint debugging
Java eclipse breakpoint debugging How to debug Java programs? When you first learn Java, you will feel that ide debu…… -
reflex
1、 What is reflection Java programs can dynamically load, parse and use some data types that are uncertain in the com…… -
Linux configuration Java environment variables (detailed)
I Unzip and install JDK, and enter jdk-6u14-linux-i586.0 under the shell terminal Bin file directory, execute the comm…… -
The difference between = = and equal () method in Java
Differences in methods In Java = = compares addresses and equal compares values. Example: -
Java Concurrent Programming: inter thread communication wait, notify
Java Concurrent Programming: two ways of cooperation between threads: wait, notify, notifyAll and condition We've disc…… -
Invocationtargetexception (reflection exception) for Java exception handling
Invocationtargetexception exception by method invoke(obj,args...) Method is thrown. Example: Test: Output: You can als…… -
Deeply understand the exception handling mechanism of Java
Exceptions refer to unexpected conditions, such as file missing, network connection failure, illegal parameters, etc. …… -
Detailed explanation of Java environment variable configuration (Windows)
< H1 class = "posttitle" > detailed explanation of Java environment variable configuration (Windows) < div cl…… -
Java Concurrent Programming: synchronization container
Java Concurrent Programming: synchronization container In order to write thread safe programs, Java provides some thre…… -
Java Concurrent Programming: thread and process creation (conversion)
Java Concurrent Programming: how to create threads? In the previous article, we have described the origin of process…… -
Differences between hashtable and HashMap
1. Hashtable is thread safe, synchronous and relatively inefficient. HashMap thread is unsafe, asynchronous and relati…… -
Java Concurrent Programming: concurrent HashMap
Java Concurrent Programming: concurrent HashMap of concurrent container (Reprint) The following part is reproduced fro…… -
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Selected 30 java written test questions
A start() B run() C exit() D getPriority() Answer: abd 2. The following is about Java The correct statement of lang. e…… -
struts2_ struts. Explanation of XML configuration file
1.bean Bean detailed explanation: https://www.cnblogs.com/lulu638/p/4340703.html 2.constant Constant attribute configu…… -
JSTL_ Format tag library
JSTL_ Format 1： JSTL format tag library <%@taglib uri=” http://java.sun.com/jsp/jstl/fmt ” prefix=”fmt”%> 2： F…… -
Java connection to MySQL database
Several methods of Java connecting to database *Explain 1. Take MySQL database as an example 2. There are fo…… -
java_ How custom labels work
I How custom labels work: Web server JSP 3 When a custom tag is encountered, first instantiate the tag processor class…… -
JSTL_ XML tag library
JSTL_ XML 1： Explain 2： XML tag library The main function of XML tag library is to provide convenient support for op…… -
java_ Custom tag, my first custom tag!
Custom tag, my first custom tag! There are two steps altogether I case Output client IP ViewIP. jsp -
Java_ IO stream_ abstract class
< p align = "left" > I concept III Character stream and byte stream and file 1. Byte stream Input stream Out…… -
struts2_ Project operation report 404
1. Missing jar package, commons-lang3-3.2 jar Reference website: https://blog.csdn.net/u013457382/article/details/5097…… -
struts2_ HelloWorld
First struts 2 program - Hello 1. Create web project struts2-01-hello 2. Import the jar package into the bin d…… -
java_ generic paradigm
I Use of generic classes 1. Use generics when defining classes 2. be careful: 3. Code example -
Java_ Bubble sorting_ Principle and optimization
Bubble sorting and its optimization I Principle and optimization principle 1. Principle explanation Bubble sorting……