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From: "Dobashi.M"<md440@vc-net.ne.jp>
Date: Tue, 24 Feb 2004 09:17:51 +0900

> Java$B$K$O(Bjdk$B$N:9$,$"$k$H$OCN$j$^$;$s$G$7$?!#(B($B$I$s$JK\$K$b=q$$$F$J$$(B? )

$B$$$(!"(BJava $B4XO"$N%I%-%e%a%s%H$K5-=R$,$"$j$^$9!#(B
$B$=$&$G$J$1$l$PC/$K$b$o$+$i$J$$;v$K$J$C$F$7$^$$$^$9!#(B(^^;

> VM$B$H$O(BOS$B$N3@:,$r1[$($k(B($B1[$($?(B)$B6&DL8l$+$H;W$C$F$$$^$7$?$,(B,$B;~Be$K$h$jJ}(B
> $B8@$,$"$k$N$G$9$M!#(B

'Write Once, Run Anywhere' $B$OJL$K(B JDK/JRE $B$N%P!<%8%g%s$,0[$J$C$F$b(B
$B40A4$KF0$/!D(B $B$H$O8@$C$F$J$$$G$9$h!#:G=i$+$i!#(B

$B$=$l$K$3$l$OJ}8@$G$O$J$/!"@5<0$J5,3J$NJQ99$G$9!#(B

> $BNc$($P$=$l$O(B... showStatus()$B$r(BVM$B$G(B"abc"$B$H$J$C$F$$$?$N$r(B"cba"$B$H$G$bJQ$((B
> $B$F$7$^$C$?MM$J$b$N$J$N$G$7$g$&$+(B?
> $B$=$l$G$7$?$i(B try{ } catch{$B$J$s$H$+(B exception}$B$GHG$NH=Dj$r$9$k;v$O=PMh(B
> $B$J$$$b$N$J$N$G$7$g$&$+(B?

$B$=$l$O%I%-%e%a%s%H$rFI$s$G2<$5$$!#$G$-$k>l9g$H$G$-$J$$>l9g$,$"$k$G$7$g$&$7!#(B

$B6KC<$JOC!"%P%$%H%3!<%I$N%U%)!<%^%C%H$K8+D>$7$,F~$l$PH=Dj$9$k$3$H$9$i(B
$B$G$-$J$$$G$7$g$&!#(B
Unix $B$G$b%P%$%J%j%U%)!<%^%C%H$K$O(B a.out, COFF, ELF $B$J$I$,$"$j$^$9$,!"(B
$B$"$k(B OS $B$G%P!<%8%g%s%"%C%W$KH<$$(B a.out $B$+$i(B ELF $B$KJQ99$5$l$?>l9g!"(B
$B?7%P!<%8%g%s$G$O(B ELF $B$NB>$K(B a.out $B$bF0$/$h$&$K$9$k$N$,IaDL$G$9$,!"(B
$B5l%P!<%8%g%s$O(B ELF $B$J$s$+EvA3CN$i$J$$$N$G!"$^$C$?$/F0$-$^$;$s!#(B

> $B8eF#OB@/(B> Java$B%"%W%j%1!<%7%g%s$d%5!<%P%5%$%I(B Java $B$G$O:n@.4D6-$H<B9T4D6-$N(B
> $B8eF#OB@/(B> $B%P!<%8%g%s$r9g$o$;$k$N$,EvA3$J$N$G5$$K$J$j$^$;$s!#(B
> 
> $B%5!<%P%5%$%I(BJava$B$OL$7P83$J$N$G$9$,(B,$B$=$l$OHG$r>H9g$9$k%W%m%H%3%k(B(?$B%/%i(B
> $B%9!C%a%=%C%I(B?)$B$,$"$k$N$G$7$g$&$+(B?

Servlet/JSP, EJB $B$J$I$N>l9g!":G=i$+$i(B Servlet $B%(%s%8%s$d(B EJB $B%3%s%F%J!"(B
JDK $B$J$I$N(B API $B%P!<%8%g%s$,$o$+$C$F$$$k$N$G!":G=i$+$i$=$l$K9g$o$;$F(B
$B%W%m%0%i%`$r=q$1$P$h$$$7!"%W%m%0%i%`$K9g$o$;$k>l9g$G$b!"$=$l$,$I$N(B
$B%P!<%8%g%s$K0MB8$7$F$$$k$N$+$O$o$+$C$F$$$k(B($B$=$l$,$o$+$i$J$$$h$&$J(B
$BF@BN$NCN$l$J$$$b$N$OIaDL$O;H$o$J$$(B)$B$N$G!"%5!<%P4D6-$r$=$l$K9g$o$;$l$P(B
$B$h$$$H$$$&;v$G$9!#(B

EJB $B$N$h$&$K%M%C%H%o!<%/%H%i%s%9%Z%"%l%s%H$K;H$($k;v$rA0Ds$K$7$F$$$k(B
$B$b$N$@$H!"Aj<j$r;vA0$KFCDj$9$k;v$O$G$-$^$;$s$,!"3N$+%W%m%H%3%k>e$G(B
$BAj<j$N(B EJB $B$N%P!<%8%g%s$rD4$Y$k;v$O$G$-$?$+$H;W$$$^$9!#(B

Java $B%"%W%j%1!<%7%g%s$@$C$F!"F0:n>r7o$NA0Ds$H$J$k(B JRE $B$N%P!<%8%g%s$O(B
$BL@<($7$F$$$k$N$,IaDL$G$9!#(B

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                             $B8eF#OB@/(B    kgotoh@cic-kk.co.jp
