java plotting library

First of all, the concurrent class library should be a very important class library in java. When building some Synchronous Code, containers, and concurrency, you can find ready-made and usable classes in this class library... The most core type in this class library is the

described in this document is called an API.I can also develop a software to clean up the garbage files on the computer, I have a good heart, I want to let more developers use my software, I will release the software with a description of the document, and tell you how to call in your own program, which is also called the API.Select the corresponding version of Java, click on the link to enter. The API address for J2SE 1.7 is: http://docs.oracle.com/

Sometimes we can not use the database and the file system to store data, it is necessary to complete the file-based data calculation. However, Java itself lacks the corresponding class library, which requires hard coding to achieve structured file calculations with complex code and poor readability. There are many issues on the web that look for Java class librar

First, when Java read the XML configuration file, always through the dom4j third-party library actively resolved, recently discovered that the JDK class library can be converted to Pojo XML.Ii. Writing XML conversion tool class XmlutilsPackage Com.moy.demo.common.utils;import Javax.xml.bind.jaxbcontext;import javax.xml.bind.unmarshaller;import Java.io.inputstream

again? Just change the src attribute of the IMG, but here you set this property with the same address each time, so that it does not cause a real refresh, so refreshCaptchaImg（） the method is implemented as follows: function refreshcaptchaimg () { //download the verification code picture from the server //To this parameter pure in order to force the refresh, otherwise, because src points to the URL address has not changed, the browser will not really refresh the picture

ProgramRelease of essential Java APIs and Class search Auxiliary Tools According to foreign media reports, researchers at the computer department of Carnegie Mellon University recently developed two tools to help programmers select the appropriate API from thousands of Java APIs. The two tools are named jadeite and apatite respectively. They use a human-centered design technology, greatly reducing the t

) ArrayList ArrayList = new ArrayList (); Arraylist.add ("Hello"); Arraylist.add ("World"); int value = Reflect.on (arrayList). Call ("Hugecapacity"). Implementation Principle Reflect actually encapsulates the native Java reflect and masks extraneous details. Take the fields method as an example, its internal implementation can be seen to invoke the Java native provided reflection-related code. Public

Scribejava 3.1.0 Released, Scribejava is a simple Java implementation of the Oauth/oauth2 library.The main improvements in this release include the following:1. Fix the Odnoklassnikiserviceimpl signature, use dictionary order to sort the parameters after hash, qkxue.net find a detailed description http://new.apiok.ru/dev/methods/2. Increased support for using externally created HTTP clients3. Scribejava Compile compatible JDK74. Add Travis CI (check [

Java JSON processing class library Jackson Jackson is a set of data processing class libraries provided for the Java platform. Jackson's main function is to provide JSON parsing and generation. In addition, Jackson also provides additional class libraries to support Avro, CBOR, CSV, Smile, XML, and YAML have powerful functions and are very good at processing JSON

just open source is a fully tested Java tool class. The current code has undergone a complete test and is applying to the MAVEN central repository. The address is as follows:Https://github.com/Jimmy-Shi/bean-queryinstructions for use are as follows:Bean-queryClick here for 中文版 version.Beanquery is a Java tool library that converts objects to maps. Supports select

ADT: can run eclipseSummaryWhen running Java-based stuff, here is eclipse (ADT for developing Android), if it appears: Failed to load the JNI shared Libraryc:\program Files (x86) \java\jre6\ Bin\client\jvm.dll and so on, it's simple,First go to see, the corresponding path, whether it really exists jvm.dll if not, it is obvious that you need to install the corresponding version of their own to the Oracle we

Even with the introduction of concurrency updates in Java 6 and Java 7, the Java language still does not make parallel programming particularly easy. Java threads, synchronized code blocks, wait/notify, and java.util.concurrent packages all have their own locations, but Java

accepts word-grammar language descriptions and produces programs that recognize statements in those languages. As part of the translation process, you can useSimple operators and actions to parameterize your grammar so that it tells ANTLR how to create an abstract syntax tree (AST) and how to produce output. ANTLR know how to generate a recognition program, language packsincluding java,c++,c#. 。 Similarly, there are coco/r.Cglib is a powerful, high-p

Java-based Oracle database self-built tool Library When I learned how to operate Oracle databases in Java, I suddenly thought that I could create a tool class like php, which could greatly reduce the complexity of the Code. It can also improve work efficiency. If java cannot build a tool class by itself, it is very rid

: blocking queuesNote the way to use the blocking queue itselfThe Put method is used to deposit elements to the end of the queue, and if the queues are full, wait;The Take method is used to fetch elements from the first team, and if the queue is empty, wait;The Offer method is used to deposit elements to the end of the queue, and if the queues are full, wait for a certain amount of time, and if the time period is reached, false if the insertion is not successful;The poll method is used to take e

static Boolean bbhouldsubthread = Www.yyzx66.cn/false;public static void Main (String [] args){Executorservice ThreadPool = Executors.newfixedthreadpool (3);Threadpool.execute (New Runnable () {public void www.egouyuLe.cn Run (){for (int i=0;i{Lock.lock ();Try{if (!bbhouldsubthread)Subthreadcondition.await ();forwww.yinb666.cn (int j=0;j{System.out.println (Thread.CurrentThread (). GetName () + ", j=" + j);}Bbhouldsubthread = false;Subthreadcondition.signal ();}catch (Exception e){}Finally{Lock

Http://topic.csdn.net/u/20100721/09/e066d629-f81e-4564-a939-16a7db165422.html Linux dynamic library loading error The solution is to package G ++-FPIC-I/usr/Java/jdk1.6.0 _ 19/include/-I/usr/Java/jdk1.6.0 _ 19/include/Linux/-shared-O libkeyboard_encrypt_64.so-C keyboard_encrypt.c Changed G ++-FPIC-I/usr/Java/j

Project Reference from: http://www.java1234.com/a/yuanchuang/swing2/Project video and code download address: Link: Http://pan.baidu.com/s/1pLpQw2J Password: CNCVConstruction of the project development environment: Http://pan.baidu.com/s/1ntzhAmH#list/path=%2F One, function (1), User login(2), Book category management(3), book Management(4), exit Second, tools (1), Java Programming: Eclipes (1.8 soon version)(2), Sql:mysql(3), Jdbc:jar (Mysql-connector

; private static String port= "1521"; private static String DbName; private static String Sql; private static Connection conn=null; private static PreparedStatement st=null; private static ResultSet res=null; private static int dml_res; Construction Method: Oracletools (String host,string username,string password,string dbname); MYSQLTools (String host,string username,string password,string dbname); Member Methods: EXECUTE_DQL (); //Database Query method Execute_dml (); //Database operation me

operations that are used to query the relational database.Ii. Conditions of UseJstl's elegant programming experience is known to all, the Java community is thriving today using JSTL has no need to consider many issues, we can easily build a JSTL Web project with the Java integrated development environment such as MyEclipse. Even with MyEclipse's powerful tools to help us quickly develop web projects, there