Java $B$NNr;K(B

Revised: Mar./10th/2002; Since: Dec./28th/2001

Java $B$NNr;K(B

1991James Gosling$B!"%*%V%8%'%/%H;X8~8@8l(B Oak $B3+H/!#(B
1994Java $B%Y!<%9$N%&%'%V%V%i%&%6(B WebRunner $B3+H/!#(B
1995. 05Oak$B!"(BJava $B$K2~>N!#(B WebRunner$B!"(BHotJava $B$K2~>N!#(B
1995. 09Netscape $B NetscapeNavigator2.0$B!"(B Java $B$r%5%]!<%H!#(B
1995. 12Microsoft $B
1996. 02JDK 1.0 $B$r8x3+(B
1997. 02JDK 1.1 $B$r8x3+(B
1998. 12Java2 (JDK 1.2) $B$r8x3+(B
2000. 05SDK 1.3 SE $B$r8x3+(B
2002. 03SDK 1.4 SE $B$r8x3+(B

$B!J(BSun Microsystems $B$N8x3+$7$F$$$k(B Java $B$NNr;K(B$B!K(B

$B%*%V%8%'%/%H;X8~(B

Java $B$O(B Sun Microsystems $B$,3+H/$7$?%*%V%8%'%/%H;X8~$N8@8l$G$"$k!#%*%V%8%'%/%H;X8~$H$O!"=>Mh$N(B CPU $B$NF0:n86M}$K=>$C$?%W%m%0%i%_%s%08@8l$G$"$k

$B%*%V%8%'%/%H;X8~$N>\:Y$K$D$$$F$O!V(BJava $B$H%*%V%8%'%/%H;X8~(B$B!W$K>y$k$,!"(B 1970 $BG/:"$KF1;~B?H/E*$K9M0F$5$l$?$b$N$G$"$k!#%*%V%8%'%/%H;X8~%W%m%0%i%_%s%0(B (OOP: Object Oriented Programming) $B$r3NN)$7$?8@8l$H$7$F!"%"%i%s!&%1%$(B (1940-) $B$,3+H/$7$?(B "Smalltalk" (1972) $B$,5s$2$i$l$k!#(B "Smalltalk" $B$O8=:_$b(B "Squeak" $B$H$7$F3+H/$,7QB3Cf$G$"$k!#(B

Oak $BEP>l(B

Java $B<+BN$O(B 1995 $BG/(B "SunWorld Expo" $B$G8x3+$5$l$?!#$7$+$7!"$=$N3+H/MzNr$O(B "Oak" $B$HL>IU$1$i$l$?2HEEMQ$NAH$_9~$_%"%W%j%1!<%7%g%s$N$?$a$N8@8l$^$GAL$l$k!#(B

1991 $BG/$KH/B-$7$?3+H/%W%m%8%'%/%H!&%A!<%`$O!"(B 1992 $BG/$K%$%s%?%i%/%F%#%V$J7HBS%F%l%S$N%G%b$r9T$C$?$H$$$&!#$3$3$G8=:_$N(B Java $B$N%^%9%3%C%H%-%c%i%/%?$G$"$k(B "Duke" $B$b=i$*L\8+$($@$C$?!#(BJames Gosling $B$K$h$C$F$3$N%G%P%$%9(B (*7: star seven) $BMQ$K3+H/$5$l$?8@8l$,(B "Oak" $B$G$"$j!"8e$N(B Java $B$G$"$k!#:G=i$O(B C++ $B$r;H$&$D$b$j$@$C$?$,!"3+H/$,:$Fq$G$"$k$3$H$+$i!"$h$j0BA4$J8@8l$H$7$F(B "Oak" $B$,3+H/$5$l$?$H$N$3$H!#Ev;~$O%1!<%V%k%F%l%S$r8\5R$H$7$FA[Dj$7$F$$$?$i$7$$$,!"@=IJ2=$K$O;j$i$J$+$C$?!#(B

1993 $BG/$K(B Web $B%V%i%&%6(B "Mosaic" $B$,EP>l$7!"%$%s%?!<%M%C%H$,Ia5Z$7;O$a$F$+$i$O!"$=$A$i$X79e$GMxMQ$5$l$k$3$H$rA[Dj$7$F@_7W$5$l$?0Y$K!"0[$J$k%G%P%$%9>e$G$NF0:n$,L\I8$H$J$C$?!#(B Sun Microsystems $B$O!"(B Mosaic $B$N%/%m!<%s$G$"$j!"(B Java (Oak) $B%Y!<%9$N%V%i%&%6(B "WebRunner" $B$r3+H/!J(B1994$B!K$7$?!#(B

Java $B%G%S%e!<(B

1995 $BG/!"(B SunWorldExpo $B$,3+:E$5$l!"$3$3$G(B "WebRunner" $B$O(B "HotJava" $B%V%i%&%6$H2~>N$5$l$F8x3+$5$l$?!#$3$N$H$-(B Oak $B$b(B Java $B$H2~$a$i$l$?(B (1995)$B!#(B Java $B!J%8%c%o`]`j!K$K2~$a$?$N$O!V?F$7$_$d$9$$L>A0!W$K$7$?$H$N;v$@$,!">&I8$NLdBj$G$b$a$?$=$&$@!#(B UNIX $B$N%9%/%j%W%H8@8l(B AWK $B$HH/2;$,$+$V$C$?$+$i$@$m$&$+!)(B

"WebRunner" $B$O$=$l$^$G@EE*$@$C$?%&%'%V!&%V%i%&%6$G!"%$%s%?%i%/%F%#%V$GF0E*$J%3%s%F%s%D$r

$B$=$N8e!"(B Java $B$N3+H/$K@h6n$1$F(B JIT (Just-In-Time) $B%3%s%Q%$%i$rEk:\$7!"F0:nB.EY$r9b$a$F(B Java $B$NIa5Z$K9W8%$7$F$$$?!#(B

Microsoft $B$N(B JVM $B$O$H$F$bM%=($G!"0l;~4|$O(B Java $B$K4X$9$k%3%s%7%e!<%^;T>l$r@J4,$7$?46$b$"$C$?!#(BJava $B$N(B IDE $B!JE}9g3+H/4D6-!K$G$"$k(B "Microsoft Visual J++" $B$J$s$+$b@:NOE*$K3+H/$5$l$F$$$?!#$3$N:"(B (1997) $B$O%&%'%V!&%3%s%F%s%D$r(B Java $B$GF0E*$K$9$k$3$H$,!">-MhA|$H;W$o$l$F$$$?46$b$"$k!#$7$+$7!"(B Sun Microsystems $B$,(B Microsoft $B$r%i%$%;%s%90cH?$GDsAJ(B (1997.10) $B$7!"(B Microsoft $B$,(B JVM $B3+H/$+$i;vee$GF0E*$J%3%s%F%s%D$r:n$k$K$O(B CGI $B$+(B Flash $B$,MxMQ$5$l$k!#(B Java $B%"%W%l%C%H$O4k6H%5%$%H$N%m%8%C%/ItJ,$J$I$G!"Ii2YJ,;6$d%/%i%$%"%s%H%5%$%I%=%U%H%&%'%"$N%P!<%8%g%s4IM}$dG[I[LdBj$r2r7h$9$k$?$a$KMxMQ$5$l$F$$$k!#(B

Java $B4D6-(B

Java $B3+H/1.0, 1997 $BG/(B 1.1 $B$H%P!<%8%g%s%"%C%W$r=E$M!"(B 1998 $BG/$K$O(B JDK 1.2 $B$r(B Java2 Softwear Development Kit (J2SDK 1.2) $B$H$7$F8x3+!#(B 2000 $BG/(B 1.3 $B$r7P$F!"(B2002 $BG/(B 3 $B7n8=:_$N:G?7HG$O(B SDK 1.4 $B$G$"$k!#(B SDK 1.3 $B$+$i(B SDK 1.4 $B$X$NJQ99$G$O;EMM$NJQ99$O>/$J$/:YIt$K$H$I$^$C$F$$$k!#(B SDK 1.5 $B$N3+H/$,?J$a$i$l$F$$$k$,!"

Sun Microsystems $B$G$OCj>](B Java $B%W%i%C%H%U%)!<%`$r(B Java2 Platform, Standard Edition (J2SE) $B$H8F$S!"$=$N]%W%i%C%H%U%)!<%`$r

Java $B%W%i%C%H%U%)!<%`(B$B$K$O(B "Standard Edition" (J2SE) $B$NB>$K!"(B "Enterprise Edition" (J2EE), "Micro Edition" (J2ME) $B$,$"$k!#(B

J2EE $B$O%5!<%P%5%$%I$N(B Java $B3+H/4D6-!#(B J2SE $B$N5!G=$K2C$($F!"(B Enterprise JavaBeans (EJB)$B!"(BJava Servlets$B!"(BJavaServer Pages (JSP)$B!"(BXML $B$J$I$N5!G=$,DI2C$5$l$F$$$k!#(B

J2ME $B$O(B J2SE $B$N%5%V%;%C%H$N$h$&$J$b$N!#7HBSEEOC!"(B PDA$B!"%;%C%H%H%C%W%\%C%/%9(B $B$J$I%^%7%s%j%=!<%9$,IOe$G

Java $B$N8=:_(B

$B%&%'%V!&%3%s%F%s%DMQ8@8l$H$7$F$O;`$s$@46$N$"$k(B Java $B$@$,!"(B $B4k6H(B EC $B%5%$%H$N%"%W%j%1!<%7%g%s%5!<%P$N%m%8%C%/ItJ,!"4p44%7%9%F%`O"7H$N%m%8%C%/ItJ,$N3+H/$K$*$$$F$O!"%G%U%!%/%H!&%9%?%s%@!<%I$NCO0L$rC[$3$&$H$7$F$$$k!#8=:_$b(B C $B$d(B COBOL $B$,B?$/;H$o$l$F$$$k$h$&$@$,!"=j0b(B Pure Java $B%7%9%F%`3+H/$b%H%l%s%I$K$J$C$F$$$k!#(B Web $B$G$N8@8l$O(B "Java + Oracle, IBM DB2 UDB" $B$^$?$O(B "PHP + PostgreSQL" $B$,I8=`E*$JAH$_9g$o$;$@$m$&!#(B

$B$^$?!"(B Java $B$N7HBSEEOC$X$N$N%"%W%i%$%"%s%9!J2HEE$J$I!K$X$bIa5Z$9$k$b$N$H;W$o$l$k!#(B



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