Given:

What is required to make the Foo class thread safe?

• A.Make the declaration of lock static.
• B.Replace the lock constructor call with new ReentrantLock (true).
• C.Move the declaration of lock inside the foo method.
• D.No change is required.

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Given the code fragment:

What is the result?
A)

B)

C)

D)

• A.Option D
• B.Option B
• C.Option C
• D.Option A

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Given:

What is the result?

• A.watermelonorangelemongrapeapricotapple
• B.nothing
• C.appleapricotgrapelemonorangewatermelon
• D.appleorangegrapelemonapricotwatermelon

Correct Answer: A

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Given:

Which loop incurs a compile time error?

• A.the loop starting line 3
• B.the loop starting line 11
• C.the loop starting line 14
• D.the loop starting line 7

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Given:

Which two constructors will compile and set the class field strings? (Choose two.)

• A.Option C
• B.Option B
• C.Option A
• D.Option D
• E.Option E

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