thread

[sheri]

hi

What might cause the current thread to stop executing?
A.

An InterruptedException is thrown
B.

The thread executes a sleep() call
C.

The thread constructs a new Thread
D.

A thread of higher priority becomes ready (runnable)
E.

The thread executes a read() call on an InputStream
to me the ans are:a,b,d
the ans given are:a,b,d,e

help please
sherin

[srikrish]

Sherin,
During the read() call, the thread is still alive and listening for any input. It only goes into a waiting state. If the thread stops, then it wont be able to read the input. So, e is wrong.

[Sandeep Potnis]

I think e is also right.
A thread goes from runnable state to blocked state with any I/O request and waits for the I/O to finish. Once the I/O is finished it goes to ready state and competes, for the processor's attention, with other threads in ready state.
rgds
Sandeep

[Sandeep Potnis]

srikrish,
I saw your reply after posting mine. I think it depends what stopping a thread means. Does it mean Drop dead or Stop hogging the CPU ?
thanks Sandep