GiventhefollowingJavaclass:
public class Thready implements Runnable{
int x=1;
int y=1;
public void run(){
if (x==2) x=0;
else incX();
if (y==2) y=0;
else y++;
}
public synchronized void incX(){
x=x+1;
}
}
If two separate threads are created for the same instance of Thready,which of the following combinations of values for the fields x and y are not possible after both threads have run to completion?
a)x=0,y=3
b)x=2,y=2
c)x=3,y=0
d)x=0,y=2
e)x=0,y=0
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標籤：Java SE