Given:
Acc.java:

Which statement is true?

• A.Only s is accessible by obj.
• B.Both r and s are accessible by obj.
• C.Both p and s are accessible by obj.
• D.p, r, and s are accessible by obj.

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Which two actions will improve the encapsulation of a class?

• A.Changing the access modifier of a field from public to private
• B.Removing the public modifier from a class declaration
• C.Changing the return type of a method to void
• D.Returning a copy of the contents of an array or ArrayList instead of a direct reference

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Given the code fragment:

Which two modifications, made independently, enable the code to compile?

• A.Make the method at line n2 public.
• B.Make the method at line n1 public.
• C.Make the method at line n4 public.
• D.Make the method at line n3 public.
• E.Make the method at line n3 protected.

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Given the code fragment:

What is the result?

• A.A NullPointerException is thrown at runtime.
• B.Element 0Element 1
• C.Null element 0Null element 1
• D.NullNull

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Given:

And the commands: Javac Jump.java
Java Jump crazy elephant is always
What is the result?

• A.Lion is always jumping
• B.Crazy elephant is jumping
• C.Compilation fails
• D.Lazy lion is jumping
• E.Elephant is always jumping

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