U E D R , A S I H C RSS

Java Study2003/첫번째과제/곽세환


(Simple):
C/C++ 고, C/C++ 기, , , , (overloading) 고 간 .
(Object-Oriented):
C++ 고, 객 (Abstraction), (Inheritance), 그(Polymorphism) . , 경, / .
(Reliability):
고, . , C/C++ 고, , .
(Security):
. 그, . .
(Architecture-neutral)(Portable) :
(Heterogeneous) . . . . , . , int 고, 게 규. C int , 16, 95/98/NT 32 32, 32 , 32 . .
(High-performance) :
- . 기(garbage collector) , . , 기계 .
(Interpreter) :
고, , (porting) .
(Multi-thread) :
. , . API Thread , .



고, ( 95/98/NT, , ) .

(Architecture-neutral)(Portable) ( )

기계 고, . C 균 8 고, 20 .



(Application):
JDK . , . .
(Applet):
<APPLET>~</APPLET> HTML , . , . .
(Servlet):
CGI , 경과 . 경과 고, . CGI . .
(Bean):
, , 갖고 . ActiveX .
(package):
(import) . API . 갖겠. 'casses.zip" 고, . JDK 1.2.2 .


  • "Hello, World!"

~cpp 
public class HelloWorldApp {
	public static void main(String args[]) {
		System.out.println("Hello World!");
	}
}


^^
, ..
과 과 ㅡ.ㅡ;;;;


  • " (Architecture-neutral)(Portable) " .
  • ?
  • 과 과 . jdk .
  • "hello, World!" . .


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