Java
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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…… -
Spring connection database and JDBC template (example explanation)
preface Today's introduction is about the database connection of spring and the API methods related to the JDBC templa…… -
An instance of reading peroperties file based on JavaBean editor
introduction Recently, I reread the book "proficient in Spring + 4. X + + enterprise application development practice"…… -
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…… -
JAVA memory overflow and memory leak
Although the JVM can automatically reclaim useless memory through GC, there is still a risk of memory overflow if the …… -
Using BitSet to realize millisecond query (example explanation)
preface Because the service requires that the response time of one request of API is less than 10ms, the traditional d…… -
On spring redirection Guide
1. General This article will focus on implementing redirect in spring and discuss the reasons behind each strategy. 2.…… -
Basic definition and implementation example of Java data structure stack
This paper describes the basic definition and implementation of Java data structure stack. Share with you for your ref…… -
Java programming enumeration types! Enumeration types define and override enumeration methods
What is an enumeration type Enumerated type has long appeared in programming languages. It is used to contain a group …… -
Detailed explanation of the method of using Google kaptcha verification code in spring MVC
preface As we all know, verification code is one of the most effective ways to resist batch operation and malicious lo…… -
Simple definition and usage example of circular queue of Java data structure
This paper describes the simple definition and usage of circular queue of Java data structure. Share with you for your…… -
Detailed explanation of XML installation and configuration bean in spring bean assembly tutorial
preface As we all know, when spring first appeared, XML was the main way to describe configuration. Under the name of …… -
Analysis of action thread safety in Struts
[problem description] Recently, the company arranged for me to interview java's freshman. The interviewers are general…… -
JDK1. 8、JDK1. 7、JDK1. 6. Look here
This article starts with ArrayList The reference code is jdk1 6_ 45 jdk1. 7_ 80 jdk1. 8_ 111 source code, comparative …… -
Basic operation of BigDecimal in Java (detailed explanation)
BigDecimal has four methods. Let's take a look at the two commonly used methods: The first: BigDecimal (double VAL) Tr…… -
Java programming small example — implementation code example of digital clock
The example of this article is java programming to realize a digital clock. Code test is available. Practice. The code…… -
Code example of converting Chinese characters to Unicode code in Java programming
The last time I came into contact with the knowledge of coding was when I was in college. I studied communication engi…… -
How spring MVC uses swagger2 to build dynamic restful APIs
preface This article mainly introduces the related content of spring MVC using swagger2 to build dynamic restful API. …… -
Java multithreading programming small example to simulate parking lot system
The following is a small example of a Java multi-threaded simulation parking lot system (Java is still widely used, ha…… -
Specific steps for Java JFrame swing nested browsers
1、 Functions to be realized by using swing nested browser: By nesting a browser in a form through the swing implement…… -
Implementation of many to many query based on mybatis advanced mapping
1. As before, first give a user a many to many requirement, To query the user and the commodity information purchased …… -
Exploration on whether the subclass of Java programming can override the static method of the parent class
Today, I suddenly discussed the static method of subclass inheriting parent class. Some people insist that it can be w…… -
Simple definition and usage of queue of Java data structure
This paper describes the simple definition and use of queue in Java data structure. Share with you for your reference,……