Consider this method declaration:

A) "SET SESSION AUTHORIZATION " + user
B) "SET SESSION AUTHORIZATION " + stmt.enquoteIdentifier(user)
Is A or B the correct replacement for <EXPRESSION> and why?

• A.B, because enquoting values provided by the calling code prevents SQL injection.
• B.B, because all values provided by the calling code should be enquoted.
• C.A, because it is unnecessary to enclose identifiers in quotes.
• D.A and B are functionally equivalent.
• E.A, because it sends exactly the value of user provided by the calling code.

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Which code fragment compiles?

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

Correct Answer: D

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Given:

executed using command:
java Hello "Hello World" Hello World
What is the output?

• A.Hello WorldHelloWorld
• B.Hello World Hello World
• C.Hello WorldHello World
• D.An exception is thrown at runtime.
• E.HelloHello WorldHelloWorld

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Which set of commands is necessary to create and run a custom runtime image from Java source files?

• A.java, jdeps
• B.javac, jar
• C.javac, jlink
• D.jar, jlink

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Given:

What is the output?

• A.Hello world!Bonjour le monde!
• B.Hello world!Hello world!
• C.Bonjour le monde!Hello world!
• D.Bonjour le monde!Bonjour le monde!

Correct Answer: C

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