Given:

What is the result?

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

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Given the class definitions:
class C1 {}
class C2 extends C1 {}
class C3 extends C2 {}
and the code fragment:
16.C1 obj1 = (C1) new C2();
17.C2 obj2 = (C2) new C3();
18.C2 obj3 = (C2) new C1();
19.C3 obj4 = (C3) obj2;
Which line throws ClassCastException?

• A.line 18
• B.line 17
• C.line 19
• D.line 16

Correct Answer: D

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Given:

Given the code fragment:

Which two sets of actions, independently, enable the code fragment to print Fit?

• A.At line n1 insert: import clothing;
  At line n2 insert: String color = Shirt.getColor();
• B.At line n1 insert: import static clothing.Shirt.getcolor;
  At line n2 insert: String color = getColor();
• C.At line n1 insert: import clothing.*;
  At line n2 insert: String color = Shirt.getColor();
• D.At line n1 insert: import clothing.Shirt;
  At line n2 insert: String color = getColor();
• E.At line n1 no changes required.
  At line n2 insert: String color = Shirt.getColor();

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Given the code fragment:

What is the result?

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

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Given the code fragment:

What is the result?

• A.An exception is thrown at runtime.
• B.Compilation fails.
• C.13480.02
• D.13480.0

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