包含标签：Java 的文章
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Simple instance of spring IOC and scope attribute resolution of bean
IOC (inversion if control) - inversion of control is one of the two core technologies of spring. IOC is generally divi…… -
Example analysis of high cohesion and low coupling rule
Definition: an object should have the least understanding of other objects. The origin of the problem: the relationshi…… -
How to encapsulate request parameters in struts 2
As we all know, the action class of struts 2 can obtain all relevant values through attributes, such as request parame…… -
Detailed explanation of memory leak caused by substring method in Java
Out of memory: Generally speaking, there is not enough memory. For example, creating a large object in an infinite loo…… -
Java implementation of MySQL database operation based on JDBC
This paper describes the method of operating MySQL database based on JDBC in Java. Share with you for your reference, …… -
On the difference between spring singleton bean and singleton pattern
The difference between spring singleton bean and singleton pattern is that their associated environment is different. …… -
Java socket programming heartbeat package creation instance analysis
1. What is a heartbeat pack? Heartbeat packet is a self-defined command word that regularly notifies the other party o…… -
Java batch files are compressed, exported and downloaded to the local sample code
It mainly uses org apache. tools. zip. Zipoutputstream is a zip stream. Here, take EXECL as an example. Idea: first wr…… -
Java socket programming server response client instance code
The client information is read through the input stream, and the corresponding time is realized through the output str…… -
Detailed explanation of basic concepts of Java language annotation
1、RetentionPolicy. Source: the annotation is only kept in the source file. When the java file is compiled into a clas…… -
Simple instance of spring IOC and scope attribute resolution of bean
IOC (inversion if control) - inversion of control is one of the two core technologies of spring. IOC is generally divi…… -
Code details of Apache commons Toolset
Apache commons contains many open source tools to solve the problems often encountered in programming and reduce repet…… -
Detailed explanation of spring automatic assembly and scanning annotation code
1 @ r of JavaBean_ 404_ 1860@ Automatic injection to reduce the configuration information of XML files. 2 spring scan …… -
Explain how spring boot admin uses Eureka monitoring service
preface I'm just free recently. Let's learn how to build a spring boot admin environment. Many pits were encountered. …… -
Code analysis of spring interceptor handlerinterceptor interface
Spring's handlermapping supports interceptors. Interceptors must implement the handlerinterceptor interface, which con…… -
Java dynamic proxy (design pattern) code explanation
Foundation: need to have the idea of object-oriented design, polymorphism and reflection; With the emergence of Java d…… -
On the application of custom annotation in spring
1. Java custom annotations and spring As a kind of metadata information of program elements (classes, member variables…… -
[spring boot] a method to quickly build a spring boot micro framework
Spring boot is a framework for quickly building an environment. Its design concept is to reduce XML configuration as m…… -
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How to use hashcode and equals in Java
preface As we all know, Java Lang. object has a hashcode () and an equals () method, which play an important role in s…… -
Brief introduction to Linux network I / O model (picture and text)
1. Introduction The Linux kernel treats all external devices as a file (everything is a file). Reading and writing to …… -
Spring integrates the implementation of quartz job and spring task
There are two main types of timed tasks commonly used in spring 1. Spring integrates quartz job 2. Tasks built in afte…… -
A brief introduction to spring annotations
The core components of spring MVC Dispatcher servlet - C > controller, request entry handermapping - controller, re…… -
Java implementation of output loop number (spiral matrix) method example
This paper describes the method of outputting loop number (spiral matrix) in Java. Share with you for your reference, …… -
On the urgent loading problem of Hibernate (multiple foreign key Association)
The database structure is as follows Foreign key member in strategy_ ID (associated member table) foreign key strategy…… -
Java language describes the correct implementation of redis distributed lock
Distributed locks are generally implemented in three ways: 1 Database lock; 2. Redis based distributed locks; 3. Distr…… -
Java phantom JS completes the HTML image output function
Output HTML web pages as pictures @ h with phantomjs_ 502_ 1@ 1. Background @ h_ 502_ 1@ How to generate a map in the …… -
Swing jtextarea scroll bar and text zoom effect
This example shares the specific code of swing jtextarea scroll bar and text scaling for your reference. The specific …… -
Java uses XOR operation to realize simple encryption and decryption algorithm example code
Java simple encryption and decryption algorithm, using XOR operation Example 1: Example 2 summary The above is all abo…… -
Java file reading and writing IO / NiO and performance comparison, detailed code and summary
After working in Java for so long, I have been working on web related projects, and some basic classes have almost bee…… -
Example explanation of Lucene’s implementation of index and query
0 Introduction With the development of the world wide web and the advent of the era of big data, a large amount of dig…… -
Java IO stream reads pictures for foreground display code sharing
Recently, the project needs to use the IO stream to read pictures to provide foreground page display. In the past, the……