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Title: E-mail: gary76@empal.com


1
? ????? ??
??? ????? ???? 1 ??? 2003.09.
2
?? ??
  • ?? ???
  • ?? ????? ??? (???? ?? 502-1?)
  • ???
  • ??? 02-2290-0363
  • E-mail gary76_at_empal.com
  • FTP
  • Address ftp//166.104.46.1018989
  • ID/Pass internet / welcome

3
?? ??
  • ? Chapter? ?? ?? ? ???? ??
  • Java ?? ?? ?? ??
  • ??(40?)
  • ?? 10?
  • ?? 15?
  • ???? 15?
  • ??? (?? 10?)
  • ???? Application ?? ?? ??
  • Robocode ???? ??
  • http//www-903.ibm.com/developerworks/kr/robocode/
    robocode.html

4
1? ?? ??
  • ? ?????? ??? ????.
  • Java ????? ????.
  • ??? App.? ???? ??? ??.

5
Web Programming
  • ??-????? ??

Internet
HTML JAVAScript VBScript
JSP, ASP, PHP ? DB Programming
Client
Server
6
Java Programming
  • ??
  • WORA(Write Once, Run Anywhere) ????? ???? ??
  • ????
  • Applet HTML ?? ?? ltAPPLETgt ??? ??? ???? ?
    ?????? ???? ??? ?? ????

7
JDK ??
  • JDK ( Java Development Kit )? ??? ?? ?? ??? PC?
    ?? ??.
  • Version Java 2 SDK, Standard Edition v 1.4.0
  • http//java.sun.com

8
JDK ??
9
JDK ??
10
JDK ??
11
JDK ??
  • j2sdk-1_4_0_01-windows-i586.exe ??? ?????? ????.
  • ??? ??? ?? ?? ?????? ??? ?? ??? ?? ??.

12
Java Program ?? ????
  • ?? ???
  • http//java.sun.com/j2se/1.4/install.html
  • Window98/ME ?? PATH ?? ?? ?? ??
  • autoexec.bat??? ??.(??? or sysedit)
  • PATH ??? JDK? ??? ????? bin ????? ?? ??.
  • Window2000?? PATH????
  • ???-gt ???-gt ?? -gt ????

PATH C\WINDOWS C\j2sdk1.4.0_01\BIN
13
Java Program ????
  • Java Platform
  • ?? ??

Compile
Run
Test.java
Test.class
Java Program Source
Java Program
Java Byte Code
14
?? ?? 1
  • ??? ???? command line?? ???? ???? ??
  • ?? ?? (command ????? ??)
  • ??? javac Test1.java
  • ? ? java Test1
  • ?? ?? Javafile? ?? ?????? ???, ??

public class Test1 public static void
main(String args) System.out.println("Welco
me to Java World ")
15
?? ?? 2
  • JOptionPane? ???? ???? ???? ???? ????
  • ?? ??
  • ??? javac Test2.java
  • ? ? java Test2

import javax.swing.JOptionPane public class
Test2 public static void main(String
args) JOptionPane.showMessageDialog( null
,"Welcome\nto\nJava\nProgramming") System.exit(
0)
16
?? ?? 3(1/2)
  • JOptionPane? ???? ? ?? ??? ???? ?? ??
  • ?? ??
  • ??? javac Test3.java
  • ? ? java Test3
  • ????

17
?? ?? 3(2/2)
  • import javax.swing.JOptionPane
  • public class Test3
  • public static void main(String argv)
  • String firstNumber
  • String secondNumber
  • int number1
  • int number2
  • int sum
  • firstNumber JOptionPane.showInputDialog("Enter
    first interger")
  • secondNumber JOptionPane.showInputDialog("Ente
    r second interger")
  • number1 Integer.parseInt(firstNumber)
  • number2 Integer.parseInt(secondNumber)

18
????? ?
  • editplus
  • KAWA
  • eclipse
  • JBuilder

19
editplus? ?? ? ????
  • ???? http//www.editplus.com/kr/
  • ???? (?? ???? ????)
  • Compile ???????
  • ???? Compile
  • ?? CJAVA_Homebin\javac.exe ex)
    C\j2sdk1.4.0\bin\javac.exe
  • ?? (FileName)
  • ???? (FileDir)
  • ?? ?? ??? ??

20
editplus? ?? ? ????(cont.)
  • ???? (?? ???? ????)
  • Run (???????)
  • ???? Run
  • ?? CJAVA_Homebin\java.exe
  • ?? (FileNameNoExt)
  • ???? (FileDir)
  • Applet Viewer (???????)
  • ???? Run
  • ?? CJAVA_Homebin\appletviewer.exe
  • ?? (FileName)
  • ???? (FileDir)

21
??
  • JAVA Demo? ?? ?? ???? ??? ??,??? ??? ???? ?????.
  • ???? 9? ??? ????
  • ???? ??? ?
  • ?? jar ?? ???? ?
  • java jar JarFileName.jarex) java jar
    C\j2sdk1.4.0\demo\jfc\FileChooserDemo\FileChooser
    Demo.jar
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