包含标签：Java 的文章
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In Java, how to efficiently optimize the descendants of streaming tree nodes?
Suppose we have a collection of objects identified by a unique string and a class tree that defines the hierarchy on t…… -
Java – fields in Guice inject class are not created by Guice
I have a class where I create myself in my own code: class StarryEyes { @Inject MyValidator validator; public S…… -
Java – regular expression with = and a
I try to use regular expressions to find all substrings that start with an equal sign (=) and start with a semicolon (…… -
Java – why do some classes not need the word “new” when creating instances?
I'm new to Java One thing that puzzles me is why some classes need new to instantiate, and why others don't need new t…… -
Java – how does spring batch manage transactions (there may be multiple data sources)?
I want to provide some information about data flow in spring batch processing, but I can't find what I'm looking for o…… -
Java – use nested enumerations in gwt-rpc
I have an enumeration with nested enumerations (I want private), but when I do, GWT tells me that nested enumerations …… -
Java – default scope of spring Services
Which is the default scope of spring 4 @ service? In order to store some information related to the currently recorded…… -
Java – client – server network getting started
I am a good programmer, but I have no Internet experience Basically, I want to enter the client server network For exa…… -
Java – why does my application run faster than the command line in IntelliJ?
We have an application that imports a large number of files by splitting data and sorting it When running JUnit test c…… -
Spring. Use Java configuration to resolve circular dependencies without @ Autowired
I have circular dependency and Java configuration Although it is easy to solve it with XML configuration, I can't solv…… -
Write data from one java servlet to another
I'm trying to write a servlet that will post an XML file (an XML formatted string) to another servlet StringBuilder sb…… -
Java – is it common to customize the dispatcher servlet in spring MVC?
I'm new to spring MVC But I'm using struts 1 Have some experience in X I wonder if dispatcherservlet is usually custom…… -
Java 7 cannot collect persistent code collected by Java 5
Does anyone know why Java 7 can't collect permanent generation applications, resulting in Java Lang. outofmemoryerror:…… -
How does the Java webstart application get the MAC address to access my web page
I am writing a Java webstart application to deploy from the website so that users can click and run my software I need…… -
Summary of common methods of clearing page cache with JSP
This paper summarizes the common methods of clearing page cache by JSP. Share with you for your reference, as follows:…… -
Java combined with WebSphere MQ to realize the function of receiving queue files
First, let's briefly introduce WebSphere MQ and its installation and use WebSphere MQ: used to transfer information, w…… -
Single instance analysis of Java design pattern
This article describes the singleton pattern of Java design pattern. Share with you for your reference, as follows: Si…… -
Deeply analyze the dependency injection of beans in Java’s spring framework
Each Java based application has several objects that work together to show the content to the user as a working applic…… -
Explain the built-in exceptions of Java and the methods of creating custom exception subclasses
Built in abnormal subclass In the standard package Java Lang, Java defines several exception classes. Some of these ha…… -
Explain in detail the automatic loading method of beans under Java’s spring framework
The spring container can automatically assemble the relationship between collaborative beans, which helps to reduce th…… -
Introduction to some basic operation methods of multimedia files commonly used in Java
Play slides and animations An example is given to illustrate the method of playing slides and animation. [example] the…… -
Summary of search methods for substrings in Java strings
There are four methods to find the substring of a string in Java, as follows: 1. Int indexof (string STR): returns the…… -
Use collections. In Java collections How the sort method sorts the list (two methods)
The first is that the objects in the list implement the comparable interface, as follows: Test: The output results are…… -
How spring and redis implement data caching
1. Achieve goals Cache data through redis. (the purpose is not to speed up the query, but to reduce the burden on the …… -
ASP. Net to realize student management system
Specific controls and main attributes required by the student management system: 1. Login form Basic controls: Label (…… -
Spring AOP is configured in two ways
The first method: annotation configuration AOP annotation configuration AOP (implemented using AspectJ Class Library) …… -
The range of float type in Java and its conversion to hexadecimal
Float occupies 4 bytes, which is the same as int, that is, 32bit. The first bit represents a symbol, 0 represents a po…… -
Use JDBC API to operate database in the program of spring framework of Java
At the same time, with the work of using ordinary old JDBC with the database, it becomes cumbersome to write unnecessa…… -
Java implementation of a simple calculator class instance
This article describes a simple calculator class implemented in Java. Share with you for your reference. The details a…… -
Explain in detail the bean injection collection in Java’s spring framework
Use the value attribute and the ref attribute of the < property > tag to refer to the object in your bean config…… -
Introduction to java socket network programming
Network application modes mainly include: WWW (World Wide Web) is an information browsing system based on client / ser…… -
Analyze the implementation principle and application scenario of blocking queue in Java
Some common queues we usually use are non blocking queues, such as PriorityQueue LinkedList (LinkedList is a two-way l……