free java projects with source code

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

Brief IntroductionJava.exe is the execution program of the Java classfile. An execution shell that loads JVM. dll (in windows, the following uses Windows as an example, Linux and Solaris are actually similar, for: libjvm. So), this dynamic Connection Library is Java The actual operation of the virtual machine. This document describes how the java. exe program fin

Interpretation of source code based on Annotation configuration Bean Definition The first part of this series analyzes the source code of the Annotation-based Bean parsing portal As shown in Figure 2 above, the last Loop sequence diagram in the lower-right corner is the entry for the parse Bean for the Annotation c

Reprint light indicated Source: http://blog.csdn.net/ns_code/article/details/35564663 The Java Collection toolkit is located under the Java. util package and contains many common data structures, such as arrays, linked lists, stacks, queues, sets, and hash tables. The Java Collection framework can be divided into the

Download related source code:Java. util. ArrayListJava. util. AbstractListJava. util. ListArrayList is a variable-length array implementation of the List interface. All List operations are implemented and null values can be stored. Except for not synchronizing data, ArrayList is basically equivalent to Vector. Almost all methods are synchronized in the Vector, but the ArrayList only synchronizes writeObject and readObject. Other methods such as add (O

Blog migration to: http://www.micmiu.com Following the introduction of a Japanese open source software (the software can only achieve QRCode) Original: Java implementation of two-dimensional code QRCode coding and decoding (http://sjsky.iteye.com/blog/1136934), today found another excellent open source weapon--zxing ,

1 AnnotationThe concept and function of 1.1 Annotation1. Concept An annotation was a form of metadata, that can being added to Java source code. Classes, methods, variables, parameters and packages may be annotated. Annotations has no direct effect on the operation of the code they annotate. [3]Syntax metadata that

ReentrantLock source code analysis for Java concurrent Series Before Java5.0, only synchronized and volatile can be used to coordinate access to shared objects. We know that the synchronized keyword implements the built-in lock, while the volatile keyword ensures the multi-thread memory visibility. In most cases, these mechanisms work well, but cannot implement s

to execute a program, accurate to seconds, can set cycle)16.Lucene Full-Text Search (Hibernate version)17.Quartz (in hibernate version)18.base64 Transferring pictures19. Watermark (Image watermark, text watermark)20. Generate or parse two-dimensional code21.HTML5 + Java EE WebSocket Communication technology22. Batch asynchronous upload pictures, can preview, there is a progress bar, support drag-and-drop upload (Baidu Webuploader). List dynamic slide

Java XMemcached usage and source code details, javaxmemcachedFor more information, see http://blog.csdn.net/tang9140/article/details/4344520.preface this article describes how to use the XMemcached client to interact with the Memcached server. Comparing the XMemcached API call with the Memcached set/get command and tracking the XMemcached

Java Multithreading Core technology comb (with source code) Java Multithreading Core Technology comb the source code written in front Java multithreaded objects and variables concurre

Briefly1. Mac OS (version 10.8) comes with jdk1.6 or JAVA6, but no source code. Mac OS comes with Java 6 which is released and updated by Apple, slightly different from Oracle's Java 6, such as No Rt.jar, instead of Classes.jar other details for reference http://my.oschina.net/hmj/ blog/799392. Oracle officially does n

Java project export source code jar package check Chinese comments garbled in Eclipse, jareclipseProblem scene: Since many projects are added to the Maven main project, it is convenient to update and debug the project, but the speed of Eclipse is severely affected. Therefore, some

Document directory 1. How to query the local Java version? 2. Where is the Java Control Panel on Mac? 3. solve the problem that the source code cannot be found in eclipse. the JAR file/system/.../classes. Jar has no sourece attachment. 4. Modify 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