From: kajihara@nttslb.ntt.JP (Kiyohiko Kajihara)
Newsgroups: fj.comp.oops
Subject: what is relationship
Date: 6 Apr 92 07:35:30 GMT
Distribution: fj
Organization: NTT Software Laboratories, Tokyo, Japan.

> $@;O$a$^$7$F!#M';^!"$3$l$,(JJunet$@%G%S%e!<!w0l1~(JUserTalk$@$N0l0w!"$G$9!#(J

$@3a86$G$9!#(JUserTalk $@$N2q0w$NJ}$,=P$F$-$F$/$l$k$H$O!"44;v$H$7$F$O!"4r$7(J
$@$$8B$j$G$9!#(J


> $@!z!z!z!!3NG'$N%3!<%J!<!!!z!z!z(J
> $@!!#1!%4X78$rI=$o$9$N$C$F!"(Jgeneralization,aggregation,association
> $@!!!!!!$@$1$G$$$$$s$@$m$&$+!)(J

$@$^$:!"I=8=$O!V$I$NHO0O!J6u4VE*!";~4VE*!K$K$*$$$F!"2?$rL\E*$H$7$F!"2?$r(J
$@$I$&I=8=$9$k$+!W$H$$$&$3$H$r9M$($J$1$l$P$J$j$^$;$s!#(J

$@$G!";~4VE*HO0O$K$D$$$F$O#O#O#A!"#O#O#D!"#O#O#P$,$"$k$G$7$g$&!#$^$?!"6u(J
$@4VE*HO0O$K$D$$$F$O<B@$3&$H7W;;5!@$3&$N#2$D$,$"$k$G$7$g$&!#$^$?!"%/%i%9(J
$@$N@$3&$H%*%V%8%'%/%H$N@$3&$G$O4pK\E*$K0[$J$k$G$7$g$&!#(J

$@$^$?L\E*$b!"M}2r$9$k$3$H!"7hDj$9$k$3$H!"C1=c2=$9$k$3$H!"8!>Z$9$k$3$H$J(J
$@$IMM!9$JL\E*$,$"$k$G$7$g$&!#(J

$@$=$l$G!"#O#M#T$K$7$F$b!"(JBooch $@K!$K$7$F$bI=8=J}K!$KBP$7$F0U8+$r=R$Y$F$$(J
$@$k$N$G$O$J$/!">e5-$N$3$H$rBN7O2=$G$-$?$i$&$l$7$$$J!"$H;W$C$F$$$k$@$1$G(J
$@$9!#(J


$@$^$!!"$H$b$+$/!"LdBj#1$K$$$-$^$7$g$&$+!#(J

> $@!z!z!z!!LdBjDs5/#1$N%3!<%J!<!!!z!z!z(J
> 
> $@@_Ld!'4X78$rI=$o$9$N$C$F!"(Jgeneralization,aggregation,association$@$@$1$G(J
> $@!!!!!!$$$$$s$@$m$&$+!)(J

> ($@$&$&$C!#3a86$5!A$s!"(JTAB$@;H$o$J$$$G$/$l$h$r!A(J ;_;)
$@$&$C$+$j$7$F$$$^$7$?!"$9$$$^$;$s!#(J

> $@3'$5$s$NOC$rJ9$$$F$$$k$H!"$I$&$b(J OMT $@$G$N(J association,link $@$O!"(J
> $@%a%?$J$b$N$G$"$k$h$&$J5$$,$9$k$J$!!#!#!#(J
> $@%a%?$J$b$N$O!"BgJ8;z$GI=$o$7$F$7$^$$$^$7$g$&!#(J
> $@!!!&!!(Jassociation $@$O!"4X78$K4X$9$k%H%C%W!J%k!<%H!K%/%i%9(J
> $@!!!&!!(JASSOCIATION $@$O!"4X78$K4X$9$k%/%i%9$N%a%?%/%i%9(J
> $@!!!&!!(JLINK(link)$@$O!"(Jassociation $@$N%$%s%9%?%s%9$N2>>N!?Am>N(J
> $@$G!"(JASSOCIATION $@$N%$%s%9%?%s%9$O!"3a86$5$s$N<gD%$I$*$jLdBj0MB8$G!"(J
> $@6qBN%/%i%9$G$bCj>]%/%i%9$G$bNI$$$H8@$&OC$J$s$G$7$g$&$M!#(J

$@%a%?$r=P$7$F$/$k$J$s$F!"(Jsmalltalk $@20$5$s$G$9$M!#(J
$@$G!"$3$N%a%?$K4X$7$F$O0[O@$4$6$$$^$;$s!#(J


> $@Nc!K4X78!H=jM-!I$9$k$r9M$($^$9!#$G!"!H=jM-!I$9$k$N%5%V4X78!J%5%V%/%i%9!K(J
> $@!!!!$H$7$F!"!H9XF~!I$7$F=jM-!$!H%l%s%?%k!I$G=jM-$J$s$F$N$,9M$($i$l$^$9!#(J
> $@!!!!!&!H=jM-!I$OCj>]%/%i%9!"!H9XF~!I!$!H%l%s%?%k!I$O6qBN%/%i%9(J
> $@!!$G!"Cj>]%/%i%9$O$=$NL>A0$r(J*$@$G$/$/$k$3$H$K$9$k$H!"4X78$K4X$9$k%/%i%9(J
> $@!!3,AX$O2<?^$NMM$K$J$k!#(J
> 
> $@!!!!!!!!!!!!!!!!!!!!(J*association*
> $@!!!!!!!!!!!!!!!!!!!!!!!!!!(J|
> $@!!!!!!!!!!!!!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=(J
>    $@!!(J       |                |           $@!C(J
> $@!!!!!!(Jgeneralization$@!!!!(Jaggregation$@!!!!(J*$@=jM-(J*
> $@!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(J $@!!!C(J
> $@!!!!!!!!!!!!!!!!(J $@!!!!!!!!!!!!!!!!!!!!!=!=!=!=!=(J
> $@!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(J  $@!!!!!C!!!!!!!!!C(J
> $@!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(J $@!!!!9XF~!!!!%l%s%?%k(J
> 
> $@$3$s$J%$%a!<%8$G$7$g$&$+!)(J 

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$@$"$j$^$;$s$+!#$D$^$j!V9XF~!W$d!V%l%s%?%k!W$H$$$&%/%i%9$N$?$a$K(J *$@=jM-(J* 
$@$H$$$&Cj>]%/%i%9$r@_$1$k$H$9$C$-$j$9$k$1$I!"(Jgeneralization $@$H(J 
aggregation $@$H(J *$@=jM-(J* $@$,F1$8%l%Y%k$K$"$k$Y$-$b$N$J$N$G$7$g$&$+!#(J


> $@$3$l$G!"4X78$K4X$9$k5-=R$NOHAH$_$O==J,$8$c$J$$$+$H;W$$$^$9$,!"G!2?(J
> $@$G$7$g$&!)(J

$@4X78$N%*%V%8%'%/%H;X8~$K$h$k5-=RJ}K!$H$$$&4QE@$+$i$O==J,$@$H;W$$$^$9!#(J
$@$G$b!";d$,5$$K$7$F$$$k$N$O!V4X78$NK\<A$H$O2?$J$s$@$m$&!W$H$$$&$3$H$G$9!#(J
-- 
kajihara
--
NTT Software Laboratories	E-mail kajihara@nttslb.ntt.jp