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Question ID 3529

Option A

A.    A runtime exception is thrown on line 9.
 

Option B

B.    No output is produced.
 

Option C

C.    Greeting is printed once.
 

Option D

D.    Greeting is printed twice.
 

Option E

E.    No new threads of execution are started within the main method
 

Correct Answer C
Explanation


Question ID 3530

Which two demonstrate the valid usage of the keyword synchronized?
 

Option A

A.    interface ThreadSafe { synchronized void doIt(); }
 

Option B

B.    abstract class ThreadSafe { synchronized abstract void doIt(); }
 

Option C

C.    class ThreadSafe {
synchronized static void soIt () {} }
 

Option D

D.    enum ThreadSafe {
ONE, TWO, Three;
synchronized final void doIt () {} }
 

Correct Answer C
Explanation

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