to hear a lot of big cattle speech, seen the project of 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 to practice for the Java system level
programmer thing ? Learning and practicing the following knowledge and skills to help you achieve an early desire.
one : Java Language Learning
thread (thread), serialization , reflection, network programming , JNI technology, container (Map, List, Iterator), the class loader
(ClassLoader), input and output streams , garbage collection , there are more in-depth understanding of the application of the minimum project done . Have
had experienced Java performance optimization projects , at least master the use of a performance monitoring tool , familiar JVM parameters , the most since
code that can be specified when the JVM starts between different garbage collection mechanisms , and different garbage collection mechanisms
difference , familiar JVM parameter optimization .
two : J2EE aspects
JDBC specification is best to know how things back , facing the Oracle Database JDBC driver if you can not tell , you
OCI driver also know that there can be . Grasp the common SQL statements , familiar with JMS, JNDI and other components, a web master to open
hair model, from the foreground to the background, there is a good ability to integrate such a framework . MVC understand and grasp ideas like SSH has been implemented
layered MVC now , almost do not need you then realize , 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 your own MVC pattern in J2EE front-end development, know
What is WEB2.0, know what is SOA, SaaS, SaaP other means
three : understand and rational use of design patterns , UML modeling
know and understand a few basic principles inherent in the design mode such as: Richter substitution principle , the principle of opening and closing , the synthesis of the principles of reuse ,
Dependency Inversion principle well understood and can illustrate . Commonly used design patterns such as factory mode , single-case model , the concept of
observed by mode , the chain of responsibility pattern , bridging mode flexibly know , understand what is callback (Callback). Finally, a
Supreme words to sum up the design mode, which is to make software easier to be someone else to read, easier to maintain and produce , design mold
style essence is the exchange between programmers , if A design of a module with a factory pattern to replace B , A just say that the module is
factory pattern implementation , B it should be much easier to maintain , so the design model is about communication, not about the code. Avoid excessive
using design patterns. Learn to use UML modeling tool modeling tool at least familiar with one kind of URL .
four : focus on the user experience , grasp the KISS principle , the principle that Ou Kamu razor
customer is God that we have been shouting slogans N years, the labor of programmers eventually need to be converted to service providers
supply customers, the user experience is critical , often see scenes are functional implements software difficult to use , programmers have a
very good reason I'm not art , in fact, focus on user experience with art also hit eight pole together , the success FoxMail
largely successful user experience , friendly and clear user prompts , strong fault tolerance and error correction is designed to get good
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 the UI design should be simple and clear, fool to see that how to use, think about what we do out
stuff , do not know how to use manual controls . Another one is the most famous example IPhone mobile phone design , is
typical Ou Kamu razor to complete human-computer interaction design principles .
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 get test code coverage , Java and effective lines of code (NCSS), completed firebug, JDepend other tools
integrated ant / maven. Familiar with and emphasis on the use of JUnit unit testing during development , understanding white box specification.
six : Familiar with common network communication protocols
HTTP protocol , know POST, what is the difference between GET , HTTP read the relevant 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 , and know and understand send E-Mail
agreement and acceptance as SMTP, POP3, IMAP and other protocols , and understand MIME Base64 encoding. Multicast is how to know
What things back .
Seven: market-oriented , always eager for new technology to keep
development of computer technology advances, as the IT industry, software developers who want to recharge constantly update their
technology to keep pace with the times , but also for the market , Huawei CEO Ren said - " Huawei's technological innovation must face
to the market , "as programmers have the same sense of the market , many people regret not having them just came out in android
attention to learning . Those early concern android technology development many programmers therefore be richly rewarded . Today HTML5
get more and more browser manufacturers support , if you have to keep up the pace and began to learn.
eight : Stay humble, three lines must be my teacher
Joe closer said he wanted to keep the beginning of the heart , study hard, and so I should be more remain modest , IT technology is advancing rapidly, in your eyes
impossible to achieve technical , perhaps someone already has ideas. Stay humble someone else have the opportunity to learn from the strengths of the ancients
goes: Pride hurts , to benefit him . An expert Tao is said that " under servant , on Sophia ," Chan Yu . Never refuse
must help the people around you to solve problems , to solve the problem is the fastest way to progress . Do not give up any one can upgrade their skills
surgery opportunity and ability .
Nine: develop a summary of habit, constantly reflect
school when teachers often make written summary , summed up why they did not , refuses to talk about things in the future that it exists to work
After completing each project proposal has a summary of their own , which summed up his project to learn what they can not ask
can be completed in the case without the need for others to help yourself to build such a system , whether familiar with the project are used to grasp
technology, even if some things are not done , but you are responsible for what can stop a heart knowledge , to try to summarize details
fine record you meet those challenges is how to resolve one by one , the next time you encounter can be solved quickly or avoid
such problems. There summary only improve Confucius said : Learning without thought is labor lost , if we just coding to vomit blood , not
thinking, not summarize improve , there can never be essentially improved, Qin Li Si says: "Tarzan not let the soil , it can
into its big , Hohai not the small streams , and it could be on its depth , " and accumulate constantly sum can only lead to quantitative qualitative change .
Ten: Math skills and knowledge algorithm
develop applications using any programming language , are inseparable from the core algorithm support , many foreign software only from the UI point of view, I am afraid to write
program a few years people can imitate, but those true under varying shades of UI , I believe you want to imitate you can not die
fake , and why we are getting the cottage , because we do not have the core competitiveness, and mathematical algorithms for programmers apparently
is one of 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 when it comes to their hiring standards in a speech a " good student - good mathematical programming
good, good attitude, " but the reality of the situation is universal - . 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 compiler 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 many Java source code protection tool, Proguard is
one of the best, has been integrated in google android Java code being used to protect Visit here to learn more :
http://proguard.sourceforge.net/
twelve : to become the backbone of a particular industry or field
face long career , in order not to be eliminated, a fresh recruit must have the ability to eat around the world , to choose their own interest
direction , efforts and in-depth research, 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 crawler studied WEBKIT kernel , no one should worry about
you . If you are very familiar with the financial , corporate ERP, securities, insurance, mobile application industry application development business people ,
not worry as work . This knowledge does not change with the language , trying 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 is the best way to show their capabilities to the outside world , very many programmers programming ability, expression
abilities , Linux can be successful, in addition to strength thanks to the online community , and also thanks to the author for various Linux
large foundations letter , promotion , imagine if you do not have good written language skills, even though Linux system then outstanding,
but can not be accurately expressed lose 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
When
refinement module will be assigned to different people , anticipate and control project risks , seize project progress , optimize processes , reasonable
Inter
management, understanding TDD, familiar with agile development model, conventional software development mode.
fourteen : master the English language , good reading and writing skills
English is the native language of the computer, a good grasp of English for reading in English learning new techniques of great help , my suggestion is to try
read the original English book, if it is possible to be a little difficult aspects of the algorithm , but other like design patterns , software engineering , OO
Try reading the original
programming ideas to improve their English skills , a lot of access to the developer , code project, programmers heaven ,
Pc-magazine in English and other IT sites. English is definitely you have to practice and improve skills. Besides English and good foreign
particularly important , it may be only a foreign language well enough to break through the bottleneck of the foreign occupation , the upward development .
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