包含标签：Java 的文章
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Java file upload (single file and multi file)
Java file upload (single file and multi file) 1、 Brief description In a Java Web project, the file upload function is…… -
Function example of exporting objects using Excel tool class in Java
This paper describes the function of exporting objects using Excel tool class in Java. Share with you for your referen…… -
Explain the difference between interface and abstract class in Java
Explain the difference between interface and abstract class in Java 1. Abstract class represents an inheritance re…… -
Analysis of advantages and disadvantages of IOC in spring
This article shares the advantages and disadvantages of IOC in spring for your reference. The specific contents are as…… -
Complete instance of the convenient tool class for Java implementation and operation of JSON [rewrite Google’s gson]
This article describes a convenient tool class for Java to operate JSON. Share with you for your reference, as follows…… -
Sample method of java file monitoring watchservice
summary java1. 7 provides a watchservice to monitor the changes of files in the system. The monitoring is a file syste…… -
Raspberry pie GPRS. SMS receiver
cause Once used the SMS cat from Siemens. The advantage is that there is an SDK development kit directly, and it can b…… -
Java programming to achieve a simple collision detection function example in the game
This article describes the simple collision detection function in Java programming. Share with you for your reference,…… -
Servlet filter and listener based on Java (detailed explanation)
1 filter 1. What is the filter? A special component defined in the servlet specification for intercepting container ca…… -
On spring bean life cycle verification
1、 Looking at bean life cycle from source code comments From the JDK source code, the beanfactory implementation clas…… -
Detailed explanation of semaphore counting semaphore in Java Concurrent Programming
Semaphore is a counting semaphore, and its essence is a shared lock. Semaphores maintain a semaphore permission set. T…… -
Detailed explanation of data locality on Hadoop
Detailed explanation of data locality on Hadoop Data locality in Hadoop refers to the "proximity" of the data with res…… -
Method for obtaining file list and sub file directory by Java programming (non recursive)
If you don't talk nonsense, go straight to the subject. See the code Notes for understanding. The above is how to get …… -
Detailed explanation of stream flow examples of new features in Java 8
What is a stream? A stream stream is a data channel used to manipulate a sequence of elements generated by a data sour…… -
Complete example of image upload tool class implemented in Java
This article describes the image upload tool class implemented in Java. Share with you for your reference, as follows:…… -
Instance of text string operation tool class implemented in Java [data replacement, encryption and decryption]
This article describes the text string operation tool class implemented in Java. Share with you for your reference, as…… -
How to find Java installed by yum_ Detailed explanation of home environment variables
preface Many programs that need javac in development depend on Java_ Home environment variable If you manually downloa…… -
Java create and end thread code example
This article describes the most basic method of how to create and end threads in Java, only for java beginners. Some a…… -
Java multithreading thread communication producer consumer mode and waiting wake-up mechanism code explanation
preface In the previous examples, multiple threads are doing the same operation. For example, four threads are doing t…… -
Java date related class examples
1、 Date class Class date represents a specific moment, accurate to milliseconds. The number of milliseconds (long) fr…… -
Detailed explanation of bean life cycle used by spring configuration
Basic concepts The life cycle of a bean in spring refers to the process from creation to destruction of a bean. Let's …… -
Valid queue definition and usage example of Java data structure
This paper describes the definition and usage of effective queue of Java data structure. Share with you for your refer…… -
How to obtain the province and city corresponding to the IP address by Java request
preface In a recent project, users in different provinces need to display different contents, so you need to obtain th…… -
In depth analysis of the differences and uses between mybatis and Hibernate
For a long time, I was unfamiliar with mybatis. I only knew that it was an ORM database framework like hibernate. With…… -
Method example of deploying spring boot as a jar package
preface Keep tapping the code in the IDE and run the spring boot project using the command line MVN spring boot: run o…… -
MyEclipse removes the line numbers (regular line numbers) of the code copied from the Internet
1、 Regular expressions remove code line numbers As developers, we often copy some code from the Internet. Sometimes t…… -
Java exploration thread + IO file encryption and decryption code example
In this article, we share several pieces of code, mainly about the encryption and decryption of thread + IO files. Let…… -
Detailed explanation of genericdeclaration for Java source code analysis
Learn the design ideas of others to realize a function to improve their programming level. Without much to say, let's …… -
Spring MVC combines spring data JPA to realize conditional query and paging
This example shares the specific code of Android Jiugongge picture display for your reference. The specific contents a…… -
Summary of several implementation methods of Java multithreading
Summary of several implementation methods of Java multithreading 1. How many ways to implement multithreading? How to …… -
Detailed explanation of set relation diagram and common operations in Java
The following is a downloaded inheritance diagram of collection types in Java to facilitate correct understanding and …… -
On the encoding and implementation of Unicode in Java
Encoding and implementation of Unicode Generally speaking, Unicode coding system can be divided into two levels: codin……