Java
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On guard thread and non guard thread of Java
Recently, I re studied the basic knowledge of Java and found that too much knowledge has been omitted in the past. Com…… -
Simple factory pattern for Java design pattern learning
Simple factory mode The simple factory mode is a creation mode, It is also called static factory method pattern, but i…… -
Detailed examples of java reflection mechanism
Detailed examples of java reflection mechanism preface Today, let's introduce the reflection mechanism of Java. In the…… -
Image clipping function example implemented in Java
This paper describes the image clipping function implemented in Java. Share with you for your reference, as follows: P…… -
An instance of solving a subset of a set in Java
An instance of solving a subset of a set in Java Method 1: we know the n-th power of the number of subsets 2 For examp…… -
Read the storm operation zookeeper cluster clj
The main functions of storm operation zookeeper are defined in the namespace backtype storm. In cluster (i.e. in clust…… -
Explain the construction method call under Java inheritance in detail
Explain the construction method call under Java inheritance in detail When creating an object of a class in Java, if t…… -
Java date time and date conversion
Java date, time, and mutual conversion for your reference. The specific contents are as follows The above is the whole…… -
Java to find the large number of two numbers (example explanation)
Max function in Java in math The application is as follows: int a=34； int b=45； int ans=Math. max(34,45); Then the v…… -
Java toString method rewrite code example
When you need to output an object to the display, you usually call his toString () method to convert the content of th…… -
On the process of Java recycling object tags and object secondary Tags
1、 Tags for objects 1. What is a tag? How? The first problem, as we all know, is to mark some dead objects to facilit…… -
java. Comparison between lang. void and void and introduction to their usage
Void is not a function, but a modifier of a method. Void means that the method does not return a value, which means th…… -
Detailed interpretation of Hibernate cache mechanism
1、 Why (why use hibernate cache?) Hibernate is a persistence layer framework that often accesses physical databases. …… -
Simple understanding of common tool classes in spring
File resource operation Spring defines an org springframework. core. io. Resource interface. Resource interface is def…… -
Brief introduction to Java automatic disassembly box
In the interview process, when interviewers ask basic questions, they often ask about the disassembly and assembly box…… -
be based on Spring@Autowired Annotation and automatic assembly
1 method of configuration file When we write code for the spring framework. Always follow the rule that all beans inje…… -
Four optimization methods of Java virtual machine for internal lock
Since Java 6 / Java 7, the Java virtual machine has optimized the implementation of internal locks. These optimization…… -
Struts 2 configuration action details
After implementing the action processing class, you can Configure the action in XML to let the struts 2 framework know…… -
On the significance of rewriting toString () method in Java programming
In the previous article, we introduced the code example of Java toString method rewriting. Next, we briefly talk about…… -
Access to domains and static methods based on Java does not have polymorphism (example explanation)
1. Associating a method call with a method body is called 2. Compile time binding (static) determines the type of refe…… -
Brief analysis on the opening and closing of eclipse debug mode
By default, right-click debug in eclipse. When running to the set breakpoint, it will automatically jump to the debug …… -
Introduction to common tool classes under Java language Lang package
No matter where you are developing Java applications, you have to write a lot of tool classes / tool functions. You kn…… -
Java uses future to get multithreading results in time
The future interface is a part of the Java standard API util. In the concurrent package. The future interface is the i…… -
Detailed explanation of Java set class source code analysis
Like list, set inherits from the collection interface. The commonly used implementation classes are HashSet and TreeSe…… -
Java implementation of web page verification code function
This example shares the implementation code of Java Web page verification code for your reference. The specific conten…… -
Example of using JSP in spring boot practice
The front-end and back-end separation architecture has its advantages, but according to the specific situation, it is …… -
Brief introduction to Java singleton mode
1、 Concept Singleton pattern is a common software design pattern. Its core structure contains only a special class ca…… -
On the wonderful use of future in Java multithreading (with source code)
In Java, future is a future object, which stores the processing results of this thread. It is like a delivery voucher.…… -
Decoration pattern of Java design pattern learning
Decoration mode: dynamically add some additional responsibilities to an object. In terms of adding functions, decorati…… -
Strategy model of Java design pattern learning
Policy mode: policy mode is a method to define a series of algorithms. The work completed by the algorithms is the sam…… -
Read the configuration parameter instance in the XML file
paras. XML file SysParam.@ R_ 502_ 1713 @ file use Reference package required The above example of reading configurati…… -
Code example of Java crawling mailbox from the Internet
Web crawler: in fact, it is a program used to obtain data conforming to specified rules on the Internet. summary Jsup ……