public class SimplePriorities extends Thread {
private int countDown = 5 ;
private volatile double d = 0 ;
public SimplePriorities ( int priority ) {
setPriority ( priority ) ;
start ( ) ;
}
public String toString ( ) {
return super . toString ( ) + " : " + countDown ;
}
public void run ( ) {
while ( true ) {
for ( int i = 1 ; i < 100000 ; i ++ )
d = d + ( Math . PI + Math . E ) / ( double ) i ;
System . out . println ( this ) ;
if ( -- countDown == 0 ) return ;
}
}
public static void main ( String [ ] args ) {
new SimplePriorities ( Thread . MAX_PRIORITY ) ;
for ( int i = 0 ; i < 5 ; i ++ )
new SimplePriorities ( Thread . MIN_PRIORITY ) ;
}
}
Java技术网站 → 『 Java开发技术 』 → 『 Java编程技术专题 』 → Java入门实用代码：线程优先级设置
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