Before understanding what is Java, to explain what is a Computer Language, Computer Language, Computer Language is the Language of communication between people and Computer, it is mainly composed of some instruction, these instructions include Numbers, symbols and grammar, etc, the programmer can through these instructions to work on a variety of Computer command,
Very many different kinds of computer language, in general can be divided into machine language, assemble language and high level language for three major categories, the computer can recognize only a machine language, but usually people programming, do not use machine language. This is because the machine language is made up of the 0 s and 1 s of binary encoding, not easy to remember, and identify the current generic programming language is the assembly language and high-level language, assembly language used the identifier of the abbreviations, easy to identify and memory; And high-level language programming with close to human natural language, and further simplifies the programming process, therefore, a high-level language is the choice of the vast majority of programmers, Java is a high-level computer language, it is by the SUN (has been acquired by Oracle) was launched in May 1995 a can write a cross-platform application software, fully object-oriented programming language,
With Java technology matures, on the web has become the first choice for web application development language, with a number of other computer language with the passage of time influence is waning, Java instead, with the passage of time become more powerful,
Starting from the first release, Java will jump to the forefront of Internet programming, each version of follow-up to further consolidate the position that, nowadays, Java is still the best choice of the development of web-based applications, in addition, the Java driver, or smart phone change Android programming used in the Java language,
Java language overview video introduction
1, the study training Java can build web site
Java can be used to write the website, and now many commercial web sites written in Jsp, Jsp full Java Server Pages, it is a kind of dynamic website technology, such as everybody know, 163, some government portals are all use Jsp,
Java so learning and training students to be able to find the development level of job of the site, and now to find these aspects of the position is more,
For example, the website construction, nature is the JSP + Servlet + JavaBean, has always been very popular,
2, learning training Java can do Android
Android is a free and open source based on Linux computer operating system, its source is Java,
So see mobile phone sales market system such as beautiful MIUI, ali cloud server, frog etc., are all changes in the source code to sell,
Java do android system is not only refers to the system software, also have the APP for a large number of developers, their APP above a lot of time spent on development design,
Java can do 3, learning and training game
You may not know, in the case of Nokia is up to date before, do you play the game above 90% were designed by the Java development, natural now already very less people go to development and design, are transferred to the android system came up, the computer is a Java development design of mobile phone games, the classic is: "my world" (minecraft, known as MC), the most popular in today's society values and awareness of one of the online game "hero alliance" (formerly lol),
Java can 4, learning and training software development
General computer language to be able to software development, Java is not listed, such as Eclipse, MyEclipse Java development environment, and other well-known software development components, can grasp the Java Swing programming or awt related professional knowledge,
Enterprise application development and design, for example, here is the JAVA, big to the system software, small to the use of small and medium-sized enterprise solution, JAVA has the extremely important influence,
In addition also has move industry, the use of typicality is game (mainly these aspects) of China, here is a J2ME, actually use category is very broad, Java has become now one of the most popular on market at present is CNC programming software, in view of the information content in high speed relatively developed today, Java technology has already been ubiquitous, mobile phone app, Java mobile games on your mobile phone, the computer application,
5, embedded: WriteOnce, RunAnywhere, embedded industry seems to Java tailored to create,
6, the Internet big data: Hadoop and other large data processing technical many are all in Java,
7, use of scientific research: the safety coefficient of Java, portable Java used in scientific research, financial information services, interior space greatly,
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