to hear a lot of large cattle presentations, projects seen God flying on the keyboard programming speed transport means , at the time
was shocked . When getting into the programming manual labor , we can have our own ideas, but also for the Java system-level practitioners
programmer thing ? Learning and practicing the following knowledge and skills to help you achieve an early desire.
one : Java Language Learning
right thread (thread), serialization , reflection, network programming , JNI technology, container (Map, List, Iterator), the class loader
(ClassLoader), input and output streams , garbage collection mechanism , a more in-depth understanding , at least as project applications . Have
Java project performance optimization through experience , at least master a performance monitoring tool use , familiar with JVM parameters , the most since
code know that you can specify a different startup of the JVM garbage collection mechanisms , as well as between different garbage collection mechanisms
differences familiar JVM parameter optimization .
two : J2EE aspects
JDBC specification is best to know how things back , if faced with the Oracle database JDBC driver can not tell you , you
OCI driver also know that there can be . Grasp the common SQL statements , familiar with JMS, JNDI and other components, to master a set of open web
hair model, from the foreground to the background , there is a good ability to integrate such a framework . Understand and grasp the MVC ideology, like SSH has been implemented
now the MVC layer, almost no re- implement your own , if you develop a simple Swing application, you can MVC
it shows you really grasp the essence of the MVC . Have the ability to build their own front-end development J2EE MVC pattern , knowing
What is WEB2.0, know what is SOA, SaaS, SaaP other means
Three: Understand and be able to make rational use design patterns , UML modeling
know and understand the design mode contains several basic principles , such as : Richter substitution principle , the principle of opening and closing , synthetic multiplexing principle ,
Dependency Inversion Principle have a good understanding and be able to illustrate . Commonly used design patterns such as factory mode, single -case model , the concept of
those observed pattern chain of responsibility pattern , flexible use bridge mode , etc. know , understand what is callback (Callback). Finally, a
words to sum up an expert design pattern , which is to make the software easier to be someone else to read, easier to maintain and produce , design mold
style essence is communication between the programmer , if A design with a factory pattern to replace a module B , A just say that the module is
factory pattern implementation , B should be much easier to maintain them , so the design pattern is about communication, not about the code. Never abuse
Using design patterns . Learn how to use UML modeling tool familiar with at least one kind of URL modeling tools.
four : focus on the user experience , grasp the KISS principle , the principle that Ou Kamu razor
Customer is God that we have this slogan shouting N years , the fruits of labor of programmers eventually need to convert to service providers
supply customers, the user experience is essential, often see scenes that feature enables the software difficult to use, there is a programmer
very good reason I'm not art , in fact, focus on user experience with art also hit eight pole together , FoxMail success
In a large extent, the success of the user experience , friendly and clear user prompts , strong fault tolerance and error correction is designed to obtain good
the only way the user experience . Fool fool the camera will use the name suggests , this would famous KISS principle (Keep it
simple and stupid) means that UI design should be simple and clear, fool would know how to use one , think we do it
stuff , do not know how to use manual controls . Another one is the most famous example IPhone mobile phone designs, is
typical Ou Kamu razor HCI design principles to accomplish .
Five: automatic testing and software configuration management (SCM) to achieve
know what is software configuration management , know Hudson - http://java.net/projects/hudson/ use this tool SCM,
know how to obtain test code coverage , Java effective lines of code (NCSS), complete the firebug, JDepend other tools
integrated ant / maven. Familiar with and focus on the development process using JUnit unit testing , understanding white box specification.
six : Familiar with common network communication protocols
the HTTP protocol , knowing POST, GET What is the difference , read the HTTP-related RFC documents. Learn to use sniffer
tool to view data packets, to help find and debug the program , know the difference between TCP and UDP , to know and understand the E-Mail sent
with accepted protocols such as SMTP, POP3, IMAP and other protocols , understand MIME and Base64 encoding . Multicast is how to know
What things back .
Seven: market-oriented , always eager for new technology to keep
rapid development of computer technology , as the IT industry software developers to constantly recharge yourself , update their
technology to keep pace with the times , but also face the market, Huawei CEO Ren said - " Huawei's technological innovation must face
to the market ", as the programmers have the same awareness of the market , many people regret not in android just came out to be
concerned to learn. Those early concern android development techniques many programmers so richly rewarded . Today HTML5
get more and more manufacturers supported browser , you have to keep up the pace and start learning .
eight : remain modest , three lines must be my teacher
Joe closer said he wanted to maintain the beginning of the heart , study hard , I'll wait should remain modest , IT technology advancing rapidly, in your eyes
impossible to achieve technical , maybe someone else already has ideas . Remain humble someone else have the opportunity to learn from the strengths of the ancients
goes: Pride hurts , modesty benefits. An expert Tao is said that "the next servant , on Sophia ," the Zen koan . Never refuse
must help the people around you to solve problems, to solve problems is the fastest way to progress . Do not give up any one can upgrade their skills
technique and ability opportunities.
IX: Summary develop the habit of constantly reflect
school when teachers often make written summary, summed up why they did not , so that the work will never speak of it exists thing,
After completing each project proposal has a summary of their own , summing up his inside what they learned in the project , he can not ask
can be completed without help from others in the case of such a system to build yourself , are familiar with the use and mastery of the project
technology, even if some things are not done , but you are responsible for what can stop a heart knowledge , to try to summarize details
detail records you meet those challenges is how to solve one by one , the next time you encounter you can quickly solve or avoid
this problem. Is summed only improve Confucius: Learning without thought is labor lost , if we just coding to vomit blood , do not
thinking, does not improve the summary , never have to have essentially improved, Qin Li Si goes: "Tarzan let the soil , it can
it great , Hohai not the small streams , it can on its depth , " and accumulate constantly sum can only lead to quantitative qualitative change .
Ten: mathematical skills and knowledge Algorithms
develop applications using any programming language , are inseparable from the support of the core algorithm , many foreign software only from the UI point of view, I am afraid to write
few people can imitate the program , but the UI under the shades of those real , I do not believe you want to imitate you can die
fake , and why we are getting the cottage , because we have no core competencies, algorithms and math for programmers apparently
is his most important core competitiveness. "Introduction to Algorithms ", " Programming Pearls " and the book is definitely worth reading ten times . Microsoft Asia
Institute of Visual Computing Group Leader said in a speech to recruit people their standards are "good student - good at math , programming
good attitude . " But the reality of the general situation is - Microcomputer Principle downtown crisis , assembly language will not change, real variable learning
ten times . Basic computer knowledge generally ignored by everyone . Starting today, learn it ......
eleven : Java code decompilation and code protection
Java compiler generates bytecode , which can be easily reverse engineering ( decompilation ) , Microsoft's C # can be produced by the same DLL
to be easily decompiled . For this reason, the official produced a number of Java open source code protection tool, Proguard is
the most outstanding , have been integrated in google android Java code being used to protect access here to learn more :
http://proguard.sourceforge.net/
XII: strive to become the backbone of an industry or field
face long career , in order not to be eliminated , you must have a fresh recruit eat around the world the ability to choose their own interest
direction , efforts and in-depth research into the development of computer technology today has broken down very thin, hard studying a Java open source
frameworks or open source HTTP server source code or source code or web crawlers studied WEBKIT kernel , no one should worry about
you . If you are very familiar with finance, corporate ERP, securities, insurance, mobile application industry application development business people ,
do not worry , like work . This knowledge does not change with different languages , and strive to do a core competitiveness of Java programmers .
thirteen: improve language and writing skills , master the basic knowledge of project management
documents and language skills to the outside world is the best way to show their capabilities , many programmers programming ability is high, the expression
abilities , Linux to be successful, in addition thanks to the power of online communities , but also thanks to the author to each Linux
Big Foundation wrote , promotion , imagine if there is no good written language skills , even if the Linux system then outstanding ,
but can not be accurately expressed , lost the support of major foundations , Linux will be like the situation today is such a good thing . So pay attention
documents, keen to enhance communication and presentation skills , are likely to become Java system programmer. Master the basic 2 / 8 principles , learning
module refinement would be assigned to different people , anticipate and control project risks , seize the project schedule, optimize processes , reasonable time
between management, understanding TDD, familiar with agile development model, conventional software development model .
fourteen : master the English language , good reading and writing skills
English is the computer's native language, mastering English for reading English learning new techniques of great help , my suggestion is to try
read English Books , if it is on the algorithm may be a bit harder , but others like design patterns , software engineering , OO
try to read the original programming ideas , etc. , to improve their English skills , a lot of access to the developer , code project, programmers heaven ,
Pc-magazine and other English IT website . English is definitely you have to practice and improve skills. Besides English and good foreign
especially important , only foreign language is good enough it may break in the foreign-funded enterprises in vocational bottlenecks upward .
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