?class?Producer?implements?Runnable
{
private?Semaphore?mutexfullempty;
private?Buffer?buf;
String?name;
public?Producer（String?nameSemaphore?mutexSemaphore?fullSemaphore?emptyBuffer?buf）
{
this.name?=?name;
this.mutex?=?mutex;
this.full?=?full;
this.empty?=?empty;
this.buf?=?buf;
}
public?void?run（）
{
while（true）
{
empty.p（）;
mutex.p（）;
System.out.println（name+“?inserts?a?new?product?into?“+buf.nextEmptyIndex）;
buf.nextEmptyIndex?=?（buf.nextEmptyIndex+1）%buf.size;
mutex.v（）;
full.v（）;?
try?
{
Thread.sleep（1000）;??//必須捕獲異常
}?
catch?（InterruptedException?e）?
{?
e.printStackTrace（）;
}
}
}
}

class?Customer?implements?Runnable
{
private?Semaphore?mutexfullempty;
private?Buffer?buf;
String?name;
public?Customer（String?nameSemaphore?mutexSemaphore?fullSemaphore?emptyBuffer?buf）{
this.mutex?=?mutex;
this.full?=?full;
this.empty?=?empty;
this.buf?=?buf;
this.name?=?name;
}
public?void?run（）
{
while（true）
{
full.p（）;
mutex.p（）;
S

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????2868??2010-01-22?21:38??Test.java

-----------?---------??----------?-----??----

?????????????????2868????????????????????1