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User and Daemon Threads

 
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15)
With respect to User and Daemon threads:

a) Daemon threads can not be grouped together

b) Running Daemon threads prevent a Java VM from terminating program

c) The JVM can terminate program when only daemon threads are running

d) Running User threads prevent a JVM from terminating program

Correct answers should be
c.because only after user threads have finished executing then only JVM terminates program
d.should be correct because of the same reason stated above
Correct me if wrong .
 
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