Given:

It is required that if p instanceof Pair then p.isValid() returns true.
Which is the smallest set of visibility changes to insure this requirement is met?

• A.setLeft and setRight must be protected.
• B.left and right must be private.
• C.isValid must be public.
• D.left, right, setLeft, and setRight must be private.

Comment: *

Name: *

Email: *

Verification: *

Given:

Which three classes successfully override printOne()? (Choose three.)

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

Comment: *

Name: *

Email: *

Verification: *

Which three guidelines are used to protect confidential information? (Choose three.)

• A.Validate input before storing confidential information.
• B.Encapsulate confidential information.
• C.Treat user input as normal information.
• D.Clearly identify and label confidential information.
• E.Transparently handle information to improve diagnostics.
• F.Limit access to objects holding confidential information.
• G.Manage confidential and other information uniformly.

Comment: *

Name: *

Email: *

Verification: *

Given:

Which is true?

• A.The code does not compile.
• B.The code prints 25.
• C.The code throws an exception at runtime.
• D.The code compiles but does not print any result.

Comment: *

Name: *

Email: *

Verification: *

Given the code fragment:

What is the result?

• A.2 : 3
• B.-1 : 2
• C.3 : 0
• D.2 : -1

Comment: *

Name: *

Email: *

Verification: *