Intro to Java: history

1995 made by sun microsystems
one of programming languages
家電などの機器を扱うsoftwareを作る目的で開発されたが
Webブラウザ上で動くprogramを作れることから注目を浴びる

■applet
Webブラウザ上で動くJavaプログラム
sunのHotJavaというWebブラウザ上で作動したが
今はNetscape、IEもJavaAppletに対応する

■WebServer
in internet, there are high-performance computers called WebServer,
which provides various information about company or sth.

■servlet
the program working on the WebServer.

■Java2 Enterprise Edition (J2EE)
by Sun Microsoft.
the package for making pragram which includes servlet working.

■application
not only applet or servlet, also application working w java.
basicly application works at the place called commandline.

■Java2 Micro Edition (J2ME)
the java development package for small items like cell phone.
cuz such small items using a computer which doesnt has much capacity.

■Jini (Java intelligent network infrastructure)
各種機器の連携を図るシステムを構築するための技術

■Object Oriented Programming
-

■character code
a code to indicate character in world of computer.
it's a numeric values.
ex
ASCII: only indicates alphanumeric character.
Shift-JIS: alphanumeric character and also japanese characters.
EUC(Extended UNIX code):for unix. indicating characters using at all asis countries.
Unicode: defed by Unicode Consortium. a international code which indecates all.
Java uses Unicode.
2007-04-14 12:10 : __lang__java : コメント : 0 : トラックバック : 0 :
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