Java
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Complete example of 2048 game implemented in Java
This paper describes the 2048 game implemented in Java. Share with you for your reference, as follows: Let's see the o…… -
Examples of matrix addition, subtraction, multiplication, division and transformation in Java
This paper describes the implementation of matrix addition, subtraction, multiplication, division and transformation i…… -
Configuration method of spring boot integrated Shiro
Spring boot provides a built-in authentication framework and a custom javaconfig configuration extension. Spring secur…… -
Java code implementation of wechat hop by hop
The circle of friends has made a jump for a long time. Today, I accidentally saw a video of a former colleague chick d…… -
Introduction to the differences between Java sets and arrays and examples of mutual conversion
Differences between arrays and Collections: (1) Arrays are fixed in size, and the same array can only store data of th…… -
Based on elasticsearch5 4. Summary of frequently asked questions
Elasticsearch5 has been used in recent projects 4 (ES) is a relatively new version. There are many problems in the use…… -
How to install elasticsearch under windows (Graphic)
ES is a Lucene based distributed full-text search server, Similar to the full text index of SQL server, both are full-…… -
Java wechat hop operation guide
Java wechat jump operation guide, which refers to which to choose. The idea of this paper is to control the operation …… -
On sleuth service link tracking in spring cloud
This article focuses on the service tracking component Zipkin. Spring cloud sleuth integrates the Zipkin component. 1…… -
Java sorting method according to the attributes of objects in the list
Method 1: implement the comparator interface and rewrite the compare method @ H_ 404_ 4@ Entity class code: Test class…… -
Java polymorphic instance code
Polymorphism is the ability of the same behavior to have multiple different forms or forms. Polymorphism is the same i…… -
Java parsing word to get the picture position in the document
Preface (background introduction): Apache POI is the next open source project of the Apache foundation. It is used to …… -
Introduction to the difference between Java and C + + subclasses in reducing the accessibility of parent class function coverage
preface The topic "the problem of reducing the accessibility of subclasses in Java and C + + to the coverage of parent…… -
Usage and configuration of spring properties
Developers who do not understand the properties in spring may feel a little confused, mainly because there are many co…… -
Detailed explanation of the function and usage of flush () function in Java language
Recently, when I was learning IO streams, I found that the flush () function appears every time. After checking its fu…… -
Reason for using 31 coefficient when defining hashcode
Hash calculation is to calculate which element of the array the element should be placed in. Exactly which linked list…… -
Jstack and thread dump instance parsing
Jstack definition: Jstack is a stack tracing tool that comes with the Java virtual machine. Jstack is used to generate…… -
Simple example of Java annotation processor
If there is no method and work to read annotations, annotations will not be more useful than annotations. An important…… -
Java sends an instance of HTTP and HTTPS requests
HTTP request: If you need to turn down yourself in JSON format, n postures on Du Niang HTTPS request: 1. I won't intro…… -
Java is a method to count the words that appear most frequently in English sentences and calculate the number of occurrences
This paper gives an example of how Java counts the words that appear most frequently in English sentences and calculat…… -
Simple code example of closure in Java
1、 Definition of closure. Many different people have defined closures. Here are some. # is a function that references…… -
Detailed explanation of dbutils toolkit for java learning notes
Dbutils Toolkit I introduce Dbutils is an open source database tool class of Apache organization. II Use steps ①. Crea…… -
Java student information management system design (2)
The student information of this example is added to the transaction entering the database (the transaction can be comm…… -
Java development of employment information management system
This example shares the development case of Java employment information management platform for your reference. The sp…… -
Java language dictionary sorting algorithm analysis and code example
Dictionary ordering is to produce all permutations one by one according to the idea of dictionary sorting. In mathemat…… -
Encapsulation operation example of HTTP tool class implemented in Java
This paper describes the encapsulation operation of HTTP tool class implemented by Java. Share with you for your refer…… -
Spring boot integration Shiro detailed tutorial (summary)
When we develop, we sometimes need to convert the traditional spring Shiro into a spring boot project or integrate it …… -
Java source code reading of Java lang.Object
Object is the parent class of all classes. Any class inherits object by default. What methods does the object class im…… -
On the basis of using java properties class
The properties class inherits from hashtable and is usually used in combination with IO streams. Its most prominent fe…… -
Explain in detail how flyway is used in spring boot to manage database versions
If you have not read the above content, you can read it if you are interested. In the article "using jdbctemplate" abo…… -
Redis cache instance parsing in Java Web
Go directly to the topic: 1： Serviceimpl definition: 2： Add cache out (usually written in the service layer): Logic:…… -
Jfinal speed development framework usage notes sharing
Record the first use of jfinal, from simple framework construction to addition, deletion, modification and query, from……