Online Access Free 1Z0-804 Practice Test

Given:

From what threading problem does the program suffer?

• A.race condition
• B.deadlock
• C.starvation
• D.livelock

Given:

What is the result?

• A.Compilation fails.
• B.78 class java.lang.Array.IndexOutOfBoundException
• C.class java.lang.arrayIndexOutOfBoundException
• D.class MarkOutOfBoundException

Given: And the commands: javac Counter.java java ea Counter

What is the result?

• A.3
• B.Compilation fails
• C.AssertionError is thrown at runtime
• D.2
• E.NullPointException is thrown at runtime

Given: What is the result?

• A.compilation fails
• B.cantering cantering cantering
• C.tolting cantering tolting
• D.an exception is thrown at runtime

Given the following incorrect program:

Which two changes make the program work correctly?

• A.The compute () method must be enhanced to (fork) newly created tasks.
• B.The compute () method must be changed to return an Integer result.
• C.The threshold value must be increased so that the overhead of task creation does not dominate the cost of computation.
• D.The midpoint computation must be altered so that it splits the workload in an optimal manner.
• E.The myTask class must be modified to extend RecursiveAction instead of RecursiveTask
• F.Results must be retrieved from the newly created MyTask instances and combined.