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9. Multi-Threading
Q: 14 Click the Task button. 
Solution:
1.started
2.ran
3.interrupting
4.ended
5.(no more out put) 15 Click the Exhibit button. What is the output if the main() method is run? 
A. 4 B. 5 C. 8
D. 9 E. Compilation fails.
F. An exception is thrown at runtime.
G. It is impossible to determine for certain. Answer: D Q: 16 Click the Task button.
 Solution:
java.lang.object ------------------------------- wait( ); notify( );
java.lang.Thread--------------------------------run(), sleep( ); start( ); join ( )
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