Xi - IO flow

1, File abstract class Abstract representation of file and directory pathnames. The File or folder or path represented by the File class does not necessarily exist. This class is mainly used for: Creation and deletion of filesCreation and deletion of folders 1. Relative / absolute path object UTF-8...

Posted by Ice on Tue, 21 Sep 2021 02:03:02 +0530

Eclipse+Java+Swing+Mysql to implement movie ticket purchase system [recommended collection]

catalogue 1, System introduction 1. Development environment 2. Technical selection 3. System functions 4. Database 5. Project screenshot 2, System display 1. Registration system 2. Log in to the system 3. User welcome interface 4. Users - Movie ranking 5. User - ticket purchase information 6. UUTF-8...

Posted by pelleas1022 on Tue, 21 Sep 2021 17:06:51 +0530

cgb2107 phase III idea configuration and YML properties

IDEA environment configuration 1.1 control font size 1.2 automatic prompt setting 1.3 method automatic prompt 1.4 character set setting 1.5 automatic compilation 1.6 Maven configuration 1.6.1 settings file configuration Configure local warehouse E:/repositoryUTF-8...

Posted by dennisflash on Wed, 22 Sep 2021 19:42:20 +0530

Java NIO programming 2021SC@SDUSC

2021SC@SDUSC Basic introduction to Java NIO The full name of Java NIO is java non blocking IO, which refers to the new API provided by JDK. Starting from JDK1.4, Java has provided a series of improved input / output new features, collectively referred to as NiO (New IO), which are synchronous aUTF-8...

Posted by Anco on Sat, 25 Sep 2021 16:46:57 +0530

Multithreading learning notes

Threads and processes Use multithreading to improve the efficiency of the program. Each thread runs independently and does not affect each other. Application: executable software Process: a running program, a collection of threads, with independent running memory space. There must be a main thrUTF-8...

Posted by xgd on Tue, 28 Sep 2021 23:02:31 +0530

Apache plc4x learning record

Apache plc4x MODBUS instruction sending / receiving cooperation source code learning (2) This paper follows the above Apache plc4x MODBUS instruction sending / receiving cooperation source code learning (1) , send and receive instructions of Apache plc4x modbus, process IO data stream, and comUTF-8...

Posted by SoulAssassin on Wed, 29 Sep 2021 02:19:25 +0530

Zookeeper source code analysis - source code compilation

preface: At the beginning of this article, we will study zookeeper. Zookeeper, as an excellent framework, as a registry, as a distributed consistency solution (and many other scenarios), has been basically used in all aspects of our work. Maybe most people, like the author, stay in the use and UTF-8...

Posted by Prellyan on Thu, 30 Sep 2021 02:11:29 +0530

Experiment 3_ Familiar with common HBase operation

1, Experimental purpose Understand the role of HBase in Hadoop architecture;Proficient in using HBase to operate common Shell commands;Familiar with Java API s commonly used in HBase operation. 2, Experimental platform Operating system:Hadoop version: 3.2.2HBase version: 2.2.2JDK version: 1.8JaUTF-8...

Posted by ieda on Sun, 03 Oct 2021 05:13:58 +0530

♦ [JavaSE basic syntax] Explore classes and objects (encapsulation, etc.)! block

1. Packaging 1.1 concept of packaging As an object-oriented language, java has three basic characteristics: encapsulation, inheritance and polymorphism. In the second article on classes and objects, I'll talk about encapsulation. This is also the most direct embodiment of the concept of class UTF-8...

Posted by jasonc on Tue, 05 Oct 2021 23:35:39 +0530

Zero basic Java self-study process - understanding basic Java syntax 27

Passing parameters during a Java method call How to pass parameters when calling a method? When called, the parameter is passed to the method, which is the assignment process. The parameter passing is exactly the same as the "assignment rule", except that the "=" operator is not visible in the UTF-8...

Posted by roach on Sat, 09 Oct 2021 05:17:10 +0530