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NEW QUESTION 23
Your organization makes mlib.jar available to your cloud customers. While working on a code cleanup project for mlib.jar, you see this method by customers:

What security measures should be added to this method so that it meets the requirements for a customer accessible method?

A. Create a method that validates the hostName and portNumber parameters before opening the socket.B. C. Enclose the call to new Socket In an AccessController.doPrivileged block.D. Make enableService private.

Answer: C

 

NEW QUESTION 24
Given this enum declaration:

Examine this code:
System.out.println(Letter.values()[1]);
What code should be written at line 5 for this code to print 200?

A. public String toString() { return String.valueOf(Letter.values()[1]); }B. String toString() { return "200"; }C. public String toString() { return String.valueOf(v); }D. public String toString() { return String.valueOf(ALPHA.v); }

Answer: C

Explanation:

 

NEW QUESTION 25
Given:

Which three are correct? (Choose three.)

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

Answer: E,G,I

 

NEW QUESTION 26
Given:

executed with this command:
java Main one two three
What is the output of this class?

A. 1) oneB. The compilation fails.C. nothingD. A java.lang.ArrayIndexOutOfBoundsException is thrown.E. 1) one2) two3) three

Answer: E

 

NEW QUESTION 27
......

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