Given:

What is the result?

• A.A
  B
• B.A ClassCastException is thrown only at line n1.
• C.A
  C
• D.C
  C
• E.A ClassCastException is thrown only at line n2.

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Given:

What is the result?

• A.A B C
• B.Compilation fails at line n1 and line n2
• C.C B A
• D.C

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Given:

Which code fragment, when inserted at line 9, enables the code to print true?

• A.String str2 = sb1.toString();
• B.String str2 = new string (str1);
• C.String str2 = str1;
• D.String str2 = "Duke";

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Given: What is the result?

• A.myStr: 9009, myNum: 9009
• B.myStr: 7007, myNum: 7007
• C.myStr: 7007, myNum: 9009
• D.Compilation fails

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Given:

What is the result?

• A.9 5
• B.81 25
• C.Compilation fails.
• D.0 0

Correct Answer: A

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