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 two statements can be added at line 1 in Bar to successfully compile it? (Choose two.)

• A.public List<Object> foo(Set<CharSequence> m) { ... }
• B.public List<Integer> foo(Set<CharSequence> m) { ... }
• C.public List<Integer> foo(TreeSet<String> m) { ... }
• D.public ArrayList<Number> foo(Set<CharSequence> m) { ... }
• E.public ArrayList<Integer> foo(Set<String> m) { ... }
• F.public List<Integer> foo(Set<String> m) { ... }

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Given:

What is the result?

• A.Map: 0 Keys: 0 Values: 0
• B.The compilation fails.
• C.Map: 4 Keys: 4 Values: 4
• D.Map: 4 Keys: 0 Values: 0
• E.Map: 0 Keys: 4 Values: 4

Correct Answer: D

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Given:

Which statement is true about the Fox class?

• A.Fox class must provide implementation for the inhabit method.
• B.Fox class must implement either Forest or Town interfaces, but not both.
• C.Fox class does not have to override the inhabit method if Forest and Town provide compatible implementations.
• D.Fox class does not have to override inhabit method, so long as it does not try to call it.
• E.The inhabit method implementation from the first interface that Fox implements will take precedence.

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Which three are valid replacements for foo so that the program will compiled and run?
public class ForTest {
public static void main(String[] args) {
int[] arrar = {1,2,3};
for ( foo ) {
}
}
}

• A.int i: array
• B.;;
• C.; i < 1;
• D.; i < 1; i++
• E.int i = 0; i < 1; i++

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