Java
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23 design patterns (10) Java combination pattern
23 design patterns Part 4: Java composite pattern introduce The combination mode is also called part whole mode, which…… -
Student information management system java version
This paper shares the source code of java student information management system for your reference. The specific conte…… -
Spring implements the mail sending function
Foreword: in the past, we used to send mail directly with Java's built-in mail tool. Now spring has encapsulated it fo…… -
Usage example of JList selection event listener listselectionlistener in Java Swing
This article describes the usage of JList selection event listener listselectionlistener in Java swing. Share with you…… -
Transformation and memory allocation in Java inheritance
When reading a book, it can be messy by a piece of code. The code is as follows: @H_ 301_ 7 @ operation results: Crazy…… -
Employee management system java version
The requirements of employee management system are as follows: Through the object-oriented programming idea, the addit…… -
Detailed explanation and code example of volatile keyword in Java
1、 Basic concepts Let's add the concepts: visibility, atomicity and ordering in the JAVA memory model. Visibility: Vi…… -
Graphic tutorial of Java integrating SSM framework
Using MyEclipse to build Maven project preparation Installing maven Download and install on the official website（ htt…… -
Using java to develop the most gorgeous skills of DOTA Heroes (example explanation)
I love Java and dota. I have a whim to use java to develop the skills of Carl, one of the most gorgeous heroes of DOTA…… -
Java implementation of TFIDF algorithm code sharing
Algorithm Introduction concept TF-IDF (term frequency cinverse document frequency) is a commonly used weighting techni…… -
Java BigDecimal and double examples and analysis of related problems
BigDecimal class For numbers that do not require any accurate calculation accuracy, float or double can be used direct…… -
Java multithreaded queue, BlockingQueue and method parsing of production consumer model using BlockingQueue
What is queue Queue is a data structure. Except for the priority queue and LIFO queue, the queue sorts the elements in…… -
Collection framework details and code examples
brief introduction Differences between sets and arrays: Arrays store basic data types, and each array can only store d…… -
Detailed introduction to constructor in Java programming
This paper is mainly a summary for novices, people interested in Java language and those who have not systematically s…… -
Addition, subtraction, multiplication and division, size comparison and precautions of BigDecimal in Java
preface To borrow from the book effactive Java, the main design goal of float and double types is for scientific calcu…… -
Use of cyclicbarrier for Java Concurrent instances
Recently, I've been integrating concurrency. By the way, I'll write some examples of Java concurrency to share with yo…… -
Spring injects instances of attributes based on the XML configuration file P namespace
The class code to generate objects and inject attributes through namespaces is as follows: The XML configuration file …… -
Introduction to flowlayout of Java swing component layout manager
This article describes the flowlayout of the Java swing component layout manager with examples. It is shared for your …… -
Java get time difference (days difference, small time difference, minute difference) code example
There are many blog posts on the Internet about how to get the time difference. I have a look. Most of them are implem…… -
Spring integrated redis detailed code example
This article introduces an example of spring integrating redis from the beginning. Eclipse engineering structure The f…… -
Java implementation of queue data structure code
What is queue structure A linear structure with a special algorithm [can only be deleted at one end (team head) and in…… -
Jedis explains the five types of operation codes of redis in detail
This article mainly describes jedis's five types of operations on redis: string, list, hash, set and ordered set. Jedi…… -
Java import excel ideas and code examples
Export is to convert list to excel (listtoexcel) Import is to convert Excel to list (Excel to list) 1、 Train of thoug…… -
Java (swing) + MySQL student information management system source code
This example shares the source code of student information management system implemented in Java for your reference. T…… -
Usage code example of list in Java collection
The list interface is a sub interface of the collection interface. List has an important implementation class - ArrayL…… -
Concurrent container based on copyonwritearraylist (example explanation)
Copyonwritearraylist concurrency container Copy on write, referred to as cow, is an optimization strategy used in prog…… -
Java Web applications use stream limiting to handle a large number of concurrent requests
In web applications, a large number of client requests are sent to the server at the same time, such as rush purchase,…… -
Detailed explanation and implementation of current limiting in high concurrency system
When developing high concurrency systems, there are three sharp tools to protect the system: caching, degradation and …… -
A note on the use of stream in Java 8
Introduction to stream Let's take a look at how stream is defined in Java: A sequence of elements supporting sequentia…… -
Javamybatis mapping attribute, detailed explanation of advanced mapping
SQL attribute of mapping file: ID: identifier (usually Dao layer method name) Resulttype: SQL return type Resultmap: m…… -
Introduction to MyEclipse export runnable jar package
This method can simply import third-party jar packages 1. Right click the project, click export = "Java =" and select …… -
Java Swing implements a method example to center the form
This example describes the method of Java swing to center the form. Share with you for your reference, as follows: Swi……