Revised: Mar./23rd/2002
$B%9%l%C%I$OM%@hEY$d3+;O=g=x$K4p$E$$$F!"%9%1%8%e!<%i$K$h$C$F $BM%@hEY$r@_Dj!? $B$3$3$G@_Dj$G$-$kM%@hEY$O(B 1 $B$+$i(B 10 $B$^$G$N@0?tCM$G!"?t;z$,Bg$-$$J}$,M%@h$7$F $B$3$l$i$NDj?t$O(B $B$3$3$G$O!"%$%s%9%?%s%9%a%=%C%I$G$"$k(B $BM%@hEY$r@_Dj$7$?3d$K$O!"$"$^$j7`E*$JJQ2=$O$"$j$^$;$s!#M%@hEY$NCM$,%9%1%8%e!<%j%s%0$KM?$($k1F6A$O!"%W%i%C%H%U%)!<%`$K0lG$$5$l$F$*$j!"8@8l;EMM$H$7$F$O7h$^$C$F$$$^$;$s!#(B $B$=$l$G$b!"pJs$O2!$5$($F$*$$$?J}$,NI$$$G$7$g$&!'(B
public final void setPriority(int newPriority)
public final int getPriority()
yield()
$B$H$O0[$J$j!"(B static
$B@k8@$5$l$F$$$J$$IaDL$N%$%s%9%?%s%9!&%a%=%C%I$G$9!#$7$?$,$C$F!"%$%s%9%?%s%92=$7$?%*%V%8%'%/%H8GM-$N%a%=%C%I$H$7$F8F$S=P$7$^$9!#(B
MIN_PRIORITY
public static final int MIN_PRIORITY
$BCM$O#1!#%9%l%C%I$K@_Dj$G$-$k:GDcM%@h=g0L$G$9!#(BNORM_PRIORITY
public static final int NORM_PRIORITY
$BCM$O#5!%%9%l%C%I$K3d$jEv$F$i$l$k%G%U%)%k%H$NM%@h=g0L$G$9!#(BMAX_PRIORITY
public static final int MAX_PRIORITY
$BCM$O#1#0!%%9%l%C%I$K@_Dj$G$-$k:G9bM%@h=g0L$G$9!#(Bstatic
$B@k8@$5$l$F$$$k%/%i%9JQ?t$J$N$G!"MxMQ$9$k>l9g$O(B Thread
$B%/%i%97?$N%U%#!<%k%I$H$7$F%"%/%;%9$7$^$9!#L^O@!";2>H85$N%/%i%9$,(B Thread
$B%/%i%9$r7Q>5$7$?%5%V%/%i%9$N>l9g$O!"@\F,<-$r$D$1$J$/$F$bD>@\MxMQ$G$-$^$9!#(B
// $B
PriorityTest.java
:
class PrioritizingA implements Runnable {
public void run() {
System.out.println("PrioritizingA Start");
System.out.println("PrioritizingA End");
}
}
class PrioritizingB implements Runnable {
public void run() {
System.out.println("\t" + "PrioritizingB Start");
System.out.println("\t" + "PrioritizingB End");
}
}
class PriorityTest extends Thread {
public static void main(String[] args) {
PriorityTest main = new PriorityTest();
main.start();
}
public void run() {
System.out.println("main Start");
// $B
getPriotiry()
/setPriority()
$B$rMQ$$$k0Y$K!"(B main()
$B%a%=%C%I$N%/%i%9$r(B Thread
$B$N7Q>5$H$7$F:n$j!"<+J,<+?H$r%$%s%9%?%s%92=$7$F$$$^$9!#(B
C:\Java\Thread>javac PriorityTest.java
C:\Java\Thread>java PriorityTest
main Start
$B%G%U%)%k%H$NM%@hEY(B
main: 5
threA: 5
threB: 5
$BL@<(E*$K%;%C%H$7$?M%@hEY(B
main: 1
threA: 5
threB: 10
threA $B
int
$B7?!K$NM%@hEY$r;}$D(BNORM_PRIORITY
) $B$G$"$k(BMAX_PRIORITY
) $B!":GDcCM$O#1(B (MIN_PRIORITY
) $B$G$"$k(BsetPriority()
Copyright © 2002 SUGAI, Manabu. All Rights Reserved.
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