Given:

This code results in a compilation error.
Which code should be inserted on line 1 for a successful compilation?

• A.Consumer consumer = msg -> { return System.out.print(msg); };
• B.Consumer consumer = var arg -> {System.out.print(arg);};
• C.Consumer consumer = (String args) -> System.out.print(args);
• D.Consumer consumer = System.out::print;

Correct Answer: D

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Your organization makes mlib.jar available to your cloud customers. While working on a new feature for mlib.jar, you see that the customer visible method public void enableService(String hostName, String portNumber) executes this code fragment

and you see this grant is in the security policy file:

What security vulnerability does this expose to your cloud customer's code?

• A.XML injection attack against any mlib server
• B.privilege escalation attack against the OS running the customer code
• C.SQL injection attack against the specified host and port
• D.none because the customer code base must also be granted SocketPermission
• E.denial of service attack against any reachable machine

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Given:

After which line can we insert assert i < 0 || values[i] <= values[i + 1]; to verify that the values array is partially sorted?

• A.after line 8
• B.after line 6
• C.after line 5
• D.after line 10

Correct Answer: B

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Given the code fragment:

Which statement at line 1 will print Ping Pong?

• A.
• B.
• C.
• D.

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Given the code fragment:

What is the result?
A)

B)

C)

D)

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

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