java coding guidelines

Refer: [1] Apple official [2] Three programming naming rules (Hungary, small hump, and big hump) The following is my personal reading notes for coding guidelines for cocoa. It mainly lists several items that are easy to violate. For details, see reference 1. 1. clarity and consistency 1) Apple generally uses the small camper name method, that is, the first letter of the first word is lowercase, and the fir

Writing high-quality code: 151 suggestions for improving Java programs (Chapter 1: common methods and guidelines for JAVA Development ___ recommendation 1 ~ 5), java151 The reasonable man adapts himself to the world; The unreasonable one persists in trying to adapt the world himself. People who understand the truth adapt themselves to the world; people who do not

Address: http://blog.csdn.net/jinhuiyu/archive/2008/12/10/3487584.aspx This part includes Java coding and performance issues. This guidelines is not dedicated to application servers, but it is a common rule in many cases, for a complete analysis of Java coding best practices

of 151 suggestions, including the first chapter of the Java grammar itself proposed 51 recommendations; the 4th to 9th chapter focuses on the use of the JDK API to put forward 80 recommendations; Section 10~ Chapter 12 provides 20 suggestions for program performance, open source tools and frameworks, coding styles, and programming ideas. According to the directory structure of the book, I read this book gr

") method Ah! Fully conform to the specification, but this makes the compiler and caller depressed, the program conforms to the rules but can not run, so the question, who's responsibility? Is the designer of the Client5 class, he violated the kiss principle (Keep It smile,stupid, that is, lazy principle), according to this design method should be a call, but now follow the specification but compile does not pass, which for designers and developers should be banned.For Client5.methoda ("China",

that does not explain why our example is not running in IDE tools such as Eclipse. That's because automatic compilation in the IDE doesn't reproduce the problem, and if you modify the constant class, the IDE tool automatically compiles all the reference classes, "smart" masks the problem, but the potential risk is still there, and I remember that Eclipse should have a portal set up for automatic compilation. You are interested to try it yourself.　Note: The use of class file substitution is proh

Java coding specification, java Coding 1. Java Naming ConventionsIn addition to the following special cases, full English descriptors should always be used for naming. In addition, lowercase letters are generally used, but the class name, interface name, and the first letter

Java Development specification summary_code coding specification, java Coding It is a good habit to gradually develop codes. 1. Basic Principles Mandatory principle:1. The StringBuilder must be used for string addition;2. try... Catch usage Try {} catch {Exception e. printStackTrace ();} finally {} // It Can Be Used in

basic knowledge, more time teacher Kang is to give me a direction and guidance, in the course of these knowledge to clean up, I will again consult the corresponding API and interpretation, and then the difficult point can finally reach the knowledge and finally know its why. API is the soul of Java, transparent interpretation of the API, to the project combat is also fearless handy, so-called everything is not the case.4. Career planning: for career

basic knowledge, more time teacher Kang is to give me a direction and guidance, in the course of these knowledge to clean up, I will again consult the corresponding API and interpretation, and then the difficult point can finally reach the knowledge and finally know its why. API is the soul of Java, transparent interpretation of the API, to the project combat is also fearless handy, so-called everything is not the case.4. Career planning: for career

()) { System.out.println (Cursor.next ())} } finally { cursor.close ();}All the documents in the MyCol collection are exported.You can also specify criteria for the lookup, such as:Basicdbobject query = new Basicdbobject ("I", ();D bcursor cursor = coll.find (query); try {while (Cursor.hasnext ()) { C5/>system.out.println (Cursor.next ());} } finally { cursor.close ();}For cases where the $ operator is included in the find condition, such as one of the following MONGO shell comm

Six basic guidelines for JAVA design patterns to followa single principle of responsibility: (Responsibility pinciple)　A class is responsible for only one responsibility. When more than one responsibility is required, new classes need to be added to take responsibility for new responsibilities, rather than personality codes in the class.If a class takes on too many responsibilities, it is highly functional

Java coding specifications 1.1 why coding standards are especially important for programmers, there are several reasons: 80% of the cost of a software life cycle is maintenance. Almost no software is maintained by the original developer throughout its lifecycle. Coding specifications can improve the readability of soft

Java GBK, UTF-8 coding, javagbkutf-8 Coding Author: Qing Dujun Address: http://blog.csdn.net/qingdujun/article/details/41366301 1, GBK, UTF-8 Encoding Note: The default value is GBK encoding. Package io. dol. sn; import java. io. fileOutputStream; import java. io. IOExcept

Unified common coding methods and Java Web Coding Unified format: (UTF-8 is not required, but must be unified) JSP: Servlet: Request. setCharacterEncoding ("UTF-8"); // set the input encoding format. Response. setContentType ("text/html; charsetType = gb2312"); // you can specify the output encoding format. Database :/? UserUnicode = true characterE

Java Chinese garbled solution (4) ----- java coding conversion process, java ----- java The first three blogs focus on character encoding. Through these three blogs, you will have a preliminary understanding of various character encoding methods, to understand the Chinese la