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Java Study2003/첫번째과제/노수민

  • Sun Microsystems 향형
  • , 핸,

  • (Simple):
C/C++ , C/C++ , 포, 포 , , (overloading) 해하 해한 .
  • (Object-Oriented):
C++ , 화(Abstraction), (Inheritance), (Polymorphism) . 한, , 클트/ .
  • (Reliability) :
, 행함 . 한, C/C++ , , 포 .
  • (Security) :
. , . .
키텍 (Architecture-neutral) (Portable) :
(Heterogeneous) 크 환 . 한 하 키텍 . 키텍 . . 한, . , int 형 , . C int 형 , 16트, 95/98/NT 32 32트, 32 , 32 . .
  • (High-performance) :
- . (garbage collector) , . 한, 행하 .
  • (Interpreter) :
형태 , , (porting) 행할 .
  • (Multi-thread) :
. , . API 한 Thread 클 , .

  • Applat - Bytescode HTML 해 크 . 템 환 JVM . 28.8K 행하 . , , 한 환 . . JVM , Sun , IBM JVM .

VM()


  • (Java Virtual Machine; Java VM):
, 한 하 . ( , 95/98/NT, , 킨토 , )
.



  • .

    .
    , , .
    -->
    --> ..
    , 클 --> 힙 ..

    행한.
    행하 . .
    .


  • .

  • , C/C++



    • .

    • (Application):
    JDK . , . .


    • (Applet):
    <APPLET>~</APPLET> 태 HTML 페 포함, 호환 . , 홈 페 호환 . .


    • (Servlet):
    CGI , . , 호환 . CGI . .


    • (Bean):
    , , . ActiveX .


    • 패키(package):
    (import) . 패키 API . 패키 . 형태 'casses.zip" 패키 , 패키 포함 .


    1995 (Sun Microsystems) "(Java) " "핫(HotJava)" 표하 . "핫(HotJava)" . JDK(Java Developers Kit) 1.0.x 표하 . Netscape 통해 Netsacpe .

    1997 JDK 1.1 , 1998 JAVA2 JDK 1.2, 2000 JDK 1.3, 2002 JDK 1.4 . JDK 1.5 .


    "Hello, World!"


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

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