Unit-III-Java - Deadlock

A ________ in Java occurs when two or more threads are blocked forever, each waiting for the other to release a resource. 

• tasking

• threading

• resource

• deadlock

Both threads are now waiting for each other to release their locks, and neither can proceed, which is not resulting in a deadlock.

• true

• false

A special type of error that to avoid that relates specifically to multitasking is _________which occurs when two threads have a circular dependency on a pair of synchronized objects. 

• synchronised

• deadlock

• threading

• all of the mentioned

Thread class also defines a method called ______ that stops a thread,

• stop( )

• run()

• wait()

• notify()

Choose : signature of stop

• final void ( )

• final stop( )

• final void stop

• final void stop( )

Once a thread has been stopped, it cannot be restarted using _________.

• restart().

• join().

• resume( ).

• start().

suspend( ) method of the Thread class was deprecated by Java 2 several years ago. was done because suspend( ) can sometimes cause serious system failures.

• true

• false

Is resume( ) method is not deprecated.

• true

• false

stop( ) method of the Thread class, too, was deprecated by Java 2.

• true

• false

thread must be designed so that the _____ method periodically checks to determine whether that thread should suspend, resume, or stop its own execution.

• start()

• verify()

• check()

• run( )