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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…… -
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…… -
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 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 …… -
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…… -
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…… -
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…… -
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…… -
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 …… -
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…… -
Java JDBC based MySQL database connection function example explanation
This article describes the method of Java connecting to MySQL database based on JDBC. Share with you for your referenc…… -
Mybatis returns the configuration of the primary key ID during the insert operation (recommended)
Many times, when inserting data into the database, you need to keep the ID of the inserted data for subsequent update …… -
Analysis of generic erasure examples for Java programming exploration
1. Problem elicitation Source code: Compiled L Here is the generic erasure of Java, that is, the generic information w…… -
Introduction to safe thread exit method of Java multithreaded programming
Thread stop Thread provides a stop () method, but the stop () method is an obsolete method. Why is the stop () method …… -
Differences between synchronized and lock in Java programming [recommended]
preface This article introduces the difference between synchronized and lock in Java programming. If you don't know mu…… -
Introduction to Java regular expressions (basic advanced)
A regular expression is a text pattern that includes ordinary characters (for example, letters between a and z) and sp…… -
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…… -
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…… -
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 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…… -
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 …… -
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 …… -
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…… -
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…… -
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…… -
Object class of Java source code parsing
In the process of reading the source code, you can understand the ideas involved in others' realization of a function …… -
Instances of reading, writing and copying IO stream files in Java
//Construct file class file f = new file (filename); //Determine whether the directory is f.isdirectory(); //Get the f…… -
Definition and implementation example of simple linked list of Java data structure
This paper describes the definition and implementation of simple linked list of Java data structure. Share with you fo…… -
Design principle and implementation code example of iterator iterator in Java programming
We know that an iterator is an object that can be used to traverse some or all of the elements in a standard template …… -
Java programming realizes the addition, deletion, modification and query of data through the list interface. Code example
The list interface is commonly used to implement ArrayList. Common methods: add (object obj) add an element add (int i…… -
Classic case of Java programming: solving rabbit problem based on Fibonacci sequence
This paper gives an example of how Java solves the rabbit problem based on Fibonacci sequence. Share with you for your…… -
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,……