Given the code fragment:

Which can replace line 2?

• A.UnaryOperator u = (var i) -> (i * 2);
• B.UnaryOperator u = i -> { return i * 2);
• C.UnaryOperator u = var i -> { return i * 2; };
• D.UnaryOperator u = (int i) -> i * 2;

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Given:

Which option should you choose to enable the code to print Something happened?

• A.Add extends GeneralException on line 1.
  Add extends Exception on line 2.
• B.Add extends SpecificException on line 1.
  Add extends GeneralException on line 2.
• C.Add extends Exception on line 1.
  Add extends Exception on line 2.
• D.Add extends Exception on line 1.
  Add extends GeneralException on line 2.

Correct Answer: D

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Given:

What is the result?

• A.An exception is thrown at runtime.
• B.42=(x+y)=42
• C.42=(x+y)=6
• D.6=(x+y)=42
• E.6=(x+y)=6

Correct Answer: D

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Given:

Which statement on line 1 enables this code fragment to compile?

• A.Function function = String::toUpperCase;
• B.UnaryOperator function = s > s.toUpperCase();
• C.UnaryOperator<String> function = String::toUpperCase;
• D.Function<String> function = m > m.toUpperCase();

Correct Answer: C

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Given the formula to calculate a monthly mortgage payment:

and these declarations:

How can you code the formula?

• A.m = p * (r * Math.pow(1 + r, n) / (Math.pow(1 + r, n) - 1));
• B.m = p * ((r * Math.pow(1 + r, n) / (Math.pow(1 + r, n)) - 1));
• C.m = p * (r * Math.pow(1 + r, n) / Math.pow(1 + r, n) - 1);
• D.m = p * r * Math.pow(1 + r, n) / Math.pow(1 + r, n) - 1;

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