Given:

Which three actions implement Java SE security guidelines? (Choose three.)

• A.Change line 6 to public synchronized String[] getNames() {.
• B.Change the getNames() method name to get$Names().
• C.Change line 2 to protected volatile String[] names;.
• D.Change line 2 to private final String[] names;.
• E.Change line 3 to private Secret(String[] names) {.
• F.Change line 7 to return names.clone();.
• G.Change line 4 to this.names = names.clone();.

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Given:

Which three are true? (Choose three.)

• A.f2.foo(c) prints Bonjour le monde!
• B.f1.foo(c) prints Ola Mundo!
• C.f1.foo(c) prints Hello world!
• D.f1.foo(c) prints Bonjour le monde!
• E.f2.foo(c) prints Hello world!
• F.b1.foo(c) prints Bonjour le monde!
• G.b1.foo(c) prints Hello world!
• H.b1.foo(c) prints Ola Mundo!
• I.f2.foo(c) prints Ola Mundo!

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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.A and B are functionally equivalent.
• 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, because it sends exactly the value of user provided by the calling code.
• E.B, because enquoting values provided by the calling code prevents SQL injection.

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Given:

What is the output?

• A.:APPLE:ORANGE:BANANA
  appleorangebanana
• B.:APPLE:ORANGE:BANANA
• C.APPLE:apple ORANGE:orange BANANA:banana
• D.appleorangebanana
  :APPLE:ORANGE:BANANA
• E.apple:APPLE orange:ORANGE banana:BANANA

Correct Answer: E

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Why does this compilation fail?

• A.The method print (object) and the method print (object...) are duplicates of each other.
• B.The method Y. print (object) does not call the method super.print (object)
• C.The method x. print (object) is not accessible to Y.
• D.The method Y. print (object...) cannot override the final method x.print (object....).
• E.In method x. print (Collection), system. Out :: prints is an invalid Java identifier.

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