Java
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RxJava2. x+ReTrofit2. X multi thread download file sample code
Write before: Received the company's demand: to do an APK upgrade function, the principle is actually very simple. Bai…… -
Java regular replacement mobile phone number code example
In our daily life, we often encounter replacing the 4-7 bit string of a mobile phone number with an asterisk "*" with …… -
Example of integer product calculation function of Java analog computer
This paper describes the integer product calculation function of Java analog computer. Share with you for your referen…… -
Detailed explanation of image factory in Java design pattern
1、 Concept Provides an interface to create a series of related or interdependent objects without specifying their spe…… -
Analysis of DLL file dynamic loading method in Java Web project (detailed steps)
I believe that many Java friends have experienced calling C or C + + methods by calling JNI in Java, so how to realize…… -
Java sorting algorithm_ Select sorting (example explanation)
Selective sorting is a very simple sorting algorithm. We can know from the literal meaning, Selection is to select the…… -
Hibernate one to many mapping configuration method (sharing)
Take the company and employees as an example: the company is one, and there are many employees The first step is to cr…… -
Analysis of file upload function based on java servlet
Recently, the project needs to do a file upload function. After sharing, take it as a note. The upload function is imp…… -
Implementation of complex mail sending function based on JavaMail
In the previous article, java mail sending based on JavaMail: simple mail sending explained the basic protocol of mail…… -
Three construction methods of Java multithreading
Three construction methods of Java multithreading Inherit thread class to create thread class Thread class already inh…… -
Detailed explanation of Java asynchronous processing mechanism examples
Usually, synchronization means that a processing process of a task will serialize multiple threads, while asynchrony m…… -
Application introduction of inheritance based on Java subclass
1. Definition of inheritance Some of the members of a subclass are declared and defined by the subclass itself, and th…… -
Comprehensive analysis of JTA depth Adventure
What is transaction processing Transaction is an indispensable component model in computer applications. It ensures th…… -
Java realizes wechat payment through jsapi
To use jsapi for wechat payment, you must first obtain a prepay from wechat_ ID, and then complete the payment by call…… -
Detailed example of Java Monte Carlo algorithm for approximate value of PI
origin [1946: John von Neumann,Stan Ulam,and Nick Metropolis,all at the Los Alamos Scientific Laboratory,cook up the M…… -
Java programming rabbitmq to realize message sending and receiving
Java implements ramqp, that is, advanced message queuing protocol. It is an open standard of application layer protoco…… -
Implementation of Java data structure and algorithm stack
This is the second chapter on Java data structures and algorithms. Starting from this chapter, we will learn about the…… -
The use of long data type in Java programming
In Java programming, we often encounter some problems with the use of integer types. Let's look at the use of long sha…… -
Java understands multithreading by selling tickets
Take ticket selling as an example to introduce multithreading and resource sharing. Let's take ticket selling as an ex…… -
An overview of the new features of spring 4
Spring 4.1 has released RC1 version, while GA version is expected to be released in mid September 2014; Some of the co…… -
Detailed explanation of Java Web implementation file upload and download examples
In the development of web applications, the file upload and download function is a very common function. Here is an ex…… -
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Web development enhancement of new features of spring 4
Starting with spring 4, spring is developed with servlet3 as the, If you use spring MVC to test the framework, you nee…… -
Maven’s elegant method of adding third-party jar packages
When using Maven to build a project, some jar packages cannot be downloaded to the local repository. In view of this s…… -
Problems related to memory allocation based on Java array
Maybe everyone is familiar with Java arrays. Recently, I encountered a problem about memory allocation of Java arrays.…… -
Java programming prints diamond instances with specified characters
Learning java itself is a very boring process. To put it bluntly, it's just typing code every day. But if you change y…… -
Escape analysis in Java programming language
It is generally believed that new objects are allocated on the heap, but this is not entirely correct. Through the ana…… -
Java bean and map mutual conversion method code example
When importing, we encounter the problem that we need to convert the map object into a JavaBean. That is, we don't kno…… -
Method of configuring log4j log in SSM project
This paper introduces the method of configuring log4j log in SSM project and shares it with you, as follows: Add depen…… -
Java compressed files and download image examples
This article shares Java compressed files and download image examples for your reference. The specific contents are as…… -
Java image upload implementation code
This example shares the java image upload code for your reference. The specific contents are as follows effect: The ab…… -
Java programming in ICPC fast IO implementation source code
This article will introduce the implementation method of Java in ICPC fast io. Let's take a look at the specific code.……