core java source code

class Beaninfoannotationprocessor extends Abstractprocessor 8.3) Compile the annotation processor and run Compile note Processor: E:\bench-cluster\cloud-data-preprocess\corejavaadvanced\src>javac com/corejava/chapter10_6/ Beaninfoannotationprocessor.java Run: E:\bench-cluster\cloud-data-preprocess\corejavaadvanced\src>javac- Processor Com.corejava.chapter10_6.BeanInfoAnnotationProcessor Com/corejava/chapter10_6/chartbean.java Result: You can then view the automatically generated Chartbeanbea

Java concurrency series [6] ---- Semaphore source code analysis, java ---- semaphore Semaphore is a common class in the JUC package. It is an application in the AQS sharing mode and allows multiple threads to operate on shared resources at the same time, in addition, it can effectively control the number of concurrent

Java-linked list source code principle analysis, and build a queue through the consumer list, java-linked list Here we will introduce the simplest linked list listing; Let's take a look at the add () method: public boolean add(E e) { linkLast(e); return true; } void linkLast(E e) { final Node Th

technologies, there is no need to download plugins or small programs.Ajax has a lot of merit, and it is these strengths that reflect its shortcomings (of course, the shortcomings can be overcome).Disadvantages:1. Security issues2. Support for search engines is relatively weak.3. The exception handling mechanism of the program is broken.4. The original intention of URL and resource location is violated.Actual combata simple, but useful example: TheJava version asynchronously verifies that userna

Today to introduce you about how to implement Notepad in Java, is a very good case of learning Java Swing, the following first look at the results of the operation (download the address below): Here we look at the source code: [java] View Plain copy importjava.awt.*; impor

); */bufferedimage image = null;try {image = Imageio.read (new File ("e:/i") Mage/mldn text 01.jpg "));} catch (IOException e) {//TODO auto-generated catch Blocke.printstacktrace ();} G.drawimage (Image,0,0,this), G.drawoval ((), G.setcolor (Color.Blue), G.fillrect (+--), G.setfont ( New Font ("Arial", 40,40)); g.DrawString ("Gobang game", 20, 100);} public void mouseclicked (MouseEvent arg0) {//TODO auto-generated method stub}public void mouseentered (MouseEvent arg0) {/ /Todo auto-generated m

(Line.endswith ("*/")) {comment = false; }} else if (Line.startswith ("//")) {commentlines++; } else {normallines++; }}} catch (IOException e) {e.printstacktrace (); }} catch (FileNotFoundException e) {e.printstacktrace (); } finally {if (BR! = null) {try {System.out.println ("blank line number : "+whitelines); System.out. println ("Number of comment lines:" +commentlines);

Java. util. concurrent package source code reading 05 BlockingQueue, java. util package Everyone must be familiar with the producer-consumer queue. The producer is responsible for adding elements to the queue. If the queue is full, it will be blocked until a consumer takes the elements away. On the contrary, the consum

It seems that the weather in Xi'an is difficult to get better, and the continuous moderate pollution is suffocating. No nonsense. This morning I wrote a Java mail sending service class. Let's look at the source code: Package Dec; import Java. util. properties; import javax. mail. message; import javax. mail. messaging

Some websites allow the software development community to share information by releasing developer guides, White Papers, FAQs [FAQ], and source code. As the amount of information increases, and several developers contribute their own knowledge base, the website provides a search engine to search for all existing information on the site. Although these search engines can search for text files, they impose st

Java. util. concurrent package source code reading 20 DelayQueue, java. util package DelayQueue stores Delayed objects or child objects in an orderly manner. If an element is not removed from the queue, the object is returned only after the delay is exhausted. The so-called Delayed type inherits the Comparable interfac

JDK source code reading (1) _ introduction + java. io, jdkjava. io 1. IntroductionFor this forum, I will take a Java 8 source code reading note. Some java packages that are widely used

:0.13zookeeper:3.4.5kafka:2.9.2-0.8.1 Other tools: SecureCRT, WinSCP, VirtualBox, etc.2. Introduction to the contentThis course focuses on Scala programming, Hadoop and Spark cluster Setup, spark core programming, spark kernel source depth profiling, spark performance tuning, Spark SQL, spark streaming. The main features of this course include: 1, code-driven to

Original address: http://www.zhihu.com/question/34345694 Why does Java source go through the intermediate steps into bytecode, which is not to increase the workload. Directly interpret the source code across platforms as well. Why not explain the source

Java Anti-compilation plugin under Eclipse: Eclipse Class Decompiler, which integrates the best 2 Java decompile tools, Jad and Jd-core, and integrates seamlessly with the Eclipse class viewer It is convenient to use this plugin to view the source code of the class library,

Comparison of String, StringBuffer and StringBuilder in Java and source code analysisIt is well known that string, StringBuffer, and StringBuilder are common strings in Java, and I will compare the three brothers in three ways.the data organization and its function realization of the first and third peopleWe love the s

, OBJC, RIM, Symbian and other applications of the class library, specific details can refer to the download of the source package. 1-2. This article, like the previous article, mainly in the implementation of the PC Barcode (EAN-13) and two-dimensional code (QRCODE) encoding and decoding examples, for everyone to reference, the source

code with a template method that invokes these new operations.Controls the subclass extension. The template method invokes the "hook" operation only at a specific point, so that only those points are allowed to be extended.The source code for these design patterns is not to be made clear by a few words, so I created a Java