You are developing a banking module. You have developed a class named ccMask that has a maskcc method.
Given the code fragment:

You must ensure that the maskcc method returns a string that hides all digits of the credit card number except the four last digits (and the hyphens that separate each group of four digits).
Which two code fragments should you use at line n1, independently, to achieve this requirement? (Choose two.)

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

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Given the code fragment:

Which code fragment, when inserted at line 3, enables the code to print 10:20?
A:

B:

C:

D:

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

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Given the code fragment:

What is the result?

• A.1:2:3:4:5:
• B.Compilation fails.
• C.1:2:3:
• D.An ArrayoutofBoundsException is thrown at runtime.

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Given:

What is the result?

• A.Compilation fails at line n2.
• B.Area is 3.0
• C.Area is 6.0
• D.Compilation fails at line n1

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Given the following class:

And given the following main method, located in another class:

Which three lines, when inserted independently at line n1, cause the program to print a 0 balance?

• A.acct.amount = 0;
• B.acct.changeAmount(0);
• C.acct (0) ;
• D.amount = 0;
• E.acct. getAmount () = 0;
• F.this.amount = 0;
• G.acct.changeAmount(-acct.amount);
• H.acct.changeAmount(-acct.getAmount());

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