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Oracle Global Congress, October 2, 2012--At the JavaOne conference, Oracle showed the Java Platform Enterprise Edition (Java Platform, Enterprise http://www.aliyun.com/zixun/ The latest developments in aggregation/29806.html ">edition,java ee" are discussed in the upcoming Java EE 7 release. ...

The release of the Java version of almost all platforms involves all aspects of the Java language itself and the JVM. So for Java 7, from the JSR draft, we get the high-level goal of Java 7: Compatibility--Any program that runs on previous versions must be able to run in Java SE 7 without making any changes; development efficiency--improve development efficiency, minimal learning curve; performance--New parallel API Interface, introduces a real asynchronous I/O AP ...

In this very complicated information age of the Internet, we have learned how to use the powerful tool of search engine to find the target information. For example, you can search for Valentine's Day on Google to find a girlfriend, and you will also look for a regular Cosmetic medical institutions (although a large part of advertising liar). So if your own website system needs to enable users to search for some important information, and can be structured to show to the user, the following nine Java search engine framework to share may be able to help you. 1, Java full-text search lead ...

In the past few years, the innovative development of the open source world has elevated the productivity of Java™ developers to one level. Free tools, frameworks and solutions make up for once-scarce vacancies. The Apache CouchDB, which some people think is a WEB 2.0 database, is very promising. It's not difficult to master CouchDB, it's as simple as using a Web browser. This issue of Java open ...

EJP is a powerful and easy-to-use http://www.aliyun.com/zixun/aggregation/22.html "> relational database Persistence Java API. The main features of EJP include: 1, Object/Relationship (object/relational) automatic Mapping (A-O/RM) 2, automatic processing of all associations 3, automatic persistence tracking EJP no need for mapping annotations or XML matching ...

Easy Java Persistence (EJP) is an easily annotated and freely configurable persistent Java API with automatic object/relational mappings (A-O/RM), http://www.aliyun.com/zixun/aggregation/ 18860.html > automatically handles all association and persistence tracking functions. Easy Java Persistence 2.8 This version permanently deletes the license limit and the algorithm for changing the license. ...

Easy Java Persistence 3.1 This version of the minor fixes on the parameters of the method (ExecuteQuery and http://www.aliyun.com/zixun/aggregation/12616.html "> Parameterizedquery) added parameters in version 2.9. Easy Java Persistence (EJP) is a durable Java API that is easily annotated and freely configurable ...

This article series consists of two parts, and in part 1th of this series you will learn how to use the Tiyatien Center API and how to monitor deadlocks in a running Java application. Part 2nd uses the deadlock detection application developed in this article and adds a method to analyze the view to show where the application spends most of its CPU cycles. Have you ever encountered an application server hang without a clear cause or a Java application has become unresponsive? Is your application memory ...

Java Iterable interface and the Iterator interface. The class that implements the Iterable interface is iterable; the class that implements the Iterator interface is an iterator.

Due to the requirements of the project, it is necessary to submit yarn MapReduce computing tasks through Java programs. 　　Unlike the general task of submitting MapReduce through jar packages, a small change is required to submit mapreduce tasks through the program, as detailed in the following code. 　　The following is MapReduce main program, there are a few points to mention: 1, in the program, I read the file into the format set to Wholefileinputformat, that is, not to the file segmentation. 2, in order to control the treatment of reduce ...