Java Return Code

In the previous installment, I introduced the innovative way in which the next generation of Java language was used to eliminate the flashy things and complexities in the Java language. In this installment, I'll show how these languages eliminate some of the flaws in Java: exceptions, statements and expressions, and the edge of the http://www.aliyun.com/zixun/aggregation/19527.html ">null." The expression Java language inherits from the C language ...

Do not do this anymore: public boolean foo () {if (true) {return true;} else {return false;}} Every time I dig into an open source project, I see that it's probably written by some expert I've been amazed at the code reviewed by experienced professionals and no one at all stopped the developer from randomly placing return statements in this method. Please tell me, it is very difficult to write the code below ... public b ...

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 ...

This article covers some JVM principles and Java bytecode Directives, recommend interested readers to read a classic book on the JVM, Deep Java Virtual Machine (2nd edition), and compare it with the IL assembly directives I described in ". NET 4.0 object-oriented Programming". Believe that readers will have some inspiration. 　　It is one of the most effective learning methods to compare the similarities and differences of two similar things carefully. In the future, I will also release other articles on personal blog, hoping to help readers of the book broaden their horizons, inspire thinking, we discuss technology together ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall HTTP 404 error means that the link to the page does not exist. In the website construction wants to completely avoid this kind of situation is impossible, for example, we often need to adjust to the website, the revision, will have the webpage to be deleted, renamed or moves the position, this time, although the corresponding content's webpage also exists in the website, but uses the original address to be unable to access Of course, the first thing to consider for this kind of situation is to do 301 redirects to the original page address, in order to minimize the SEO effect ...

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 ...

Iterator and iterable objects in Java. Let's take a look at the difference between these two objects and how to implement the for each loop in a custom class.

Take the XX data file from the FTP host. 　　Tens not just a concept, represents data that is equal to tens of millions or more than tens of millions of data sharing does not involve distributed collection and storage and so on. Is the processing of data on a machine, if the amount of data is very large, you can consider distributed processing, if I have this experience, will be in time to share. 　　1, the application of the FTP tool, 2, tens the core of the FTP key parts-the list directory to the file, as long as this piece is done, basically the performance is not too big problem. You can pass a ...

Java iterator is mainly used to manipulate collection objects in java. Java provides an iterator interface Iterator. Iterator can only move forward and cannot be rolled back.

Fastinfoset as a standard XML serialization means, the XML on the basis of the compression to achieve excellent support, but the lack of direct reading tools, the user caused a certain difficulty, the use of notepad++ plug-in function and Java JNI technology, combining the characteristics of both Directly to the Fastinfoset file in the notepad++ open, to solve the user two times the trouble of editing, but also fully use notepad++ to edit the XML file ...