Given these two classes:


And given this fragment:

Which describes the fragment?

• A.It is subject to deadlock.
• B.The code does not compile.
• C.It throws IllegalMonitorStateException.
• D.It is subject to livelock.

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Given:

executed with this command:
java Main one two three
What is the result?

• A.The compilation fails.
• B.A java.lang.NullPointerException is thrown.
• C.0). one
• D.0). one1). two2). three
• E.It creates an infinite loop printing:0). one1). two1). two...

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Given:

What is the result?

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

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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:

What is the result?

• A.Dr. Who
• B.Dr. Null
• C.An exception is thrown at runtime.
• D.null

Correct Answer: D

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