Java
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Implementation of red black tree with treemap and TreeSet in Java
The implementation of treemap is a red black tree data structure, that is, a self balanced sorting binary tree, which …… -
Java file operation tool class fileutil instance [file addition, deletion, modification, copy, etc.]
This article describes the java file manipulation tool class fileutil. Share with you for your reference, as follows: …… -
Explain spring boot integration JMS (ActiveMQ Implementation)
This article introduces the integration of spring boot with JMS (ActiveMQ Implementation). I will share it with you an…… -
Resourcesutil instance of the tool class for reading resource files implemented in Java [contents that can dynamically change values]
This article describes the Java implementation of the resource file reading tool class resourcesutil. Share with you f…… -
Java exception exit condition judgment example code
Whether functional code or algorithmic code, the program is a collection of a series of processes Since it is a proces…… -
Implementation method of file upload function in spring MVC environment
preface In the actual development process, especially in the development of web projects, the functions of file upload…… -
Spring boot advanced tutorial spring boot connecting to MySQL database
Spring boot can greatly simplify the persistence task without writing SQL statements. In the previous chapter "spring …… -
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…… -
Explain Java singleton mode with pictures and texts
PS: first of all, we need to know what a singleton is, why it is used, and what are the benefits of using it. 1: Singl…… -
3DES encryption and decryption tool class example implemented in Java
This article describes the 3DES encryption and decryption tool class implemented in Java. Share with you for your refe…… -
Detailed explanation of Java collection inheritance system
Java's collection class is a particularly useful tool. It can be used to store multiple objects with different numbers…… -
MyEclipse 10 installing the log4e plug-in
1、 Log4e plug-in download Download address: http://log4e.jayefem.de/content/view/3/2/ 2、 Install log4e plug-in …… -
The UUID tool class for generating random string primary keys is implemented in Java
This example describes the UUID tool class for generating random string primary keys in Java. Share with you for your …… -
Brief introduction to eclipse code formatting settings
Unified eclipse formatting Java, JavaScript, JSP and HTML code settings in self use projects Before formatting: After …… -
Java object oriented programming (encapsulation / Inheritance / polymorphism) instance parsing
This paper mainly introduces the analysis of three object-oriented feature examples. Let's see the specific content. e…… -
Analysis of future in Java and Scala
With the increase of CPU cores, asynchronous programming model has been more and more applied in the field of concurre…… -
Java implements the merging and output of multiple documents to one document
This example shares the specific code of Java to merge and output multiple documents to one document for your referenc…… -
Java 8 uses lambda to implement Java tail recursion
preface What this article introduces is not new knowledge, but the comprehensive application of some knowledge explain…… -
Explicit locking mechanism of Java Concurrent Programming
We have previously introduced the synchronized keyword to realize the atomic operation of the program. Its internal is……