Given the following class:

Which two changes would encapsulate this class and ensure that the area field is always equal to length * height whenever the Rectangle class is used?

• A.Call the setArea method at the end of the setHeight method.
• B.Call the setArea method at the beginning of the setHeight method.
• C.Call the setArea method at the end of the setLength method.
• D.Call the setArea method at the beginning of the setLength method.
• E.Change the area field to public.
• F.Change the setArea method to private.

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Given:

What is the result?

• A.Compilation fails at line n1 and line n2
• B.C
• C.C B A
• D.A B C

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Given:

And given the code fragment:

What is the result?

• A.4W 100 Auto 4W 150 Manual
• B.Null 0 Auto 4W 150 Manual
• C.Compilation fails only at line n1
• D.Compilation fails only at line n2
• E.Compilation fails at both line n1 and line n2

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Given the code fragment:

Which modification enables the code to print 54321?

• A.Replace line 6 with System, out. print (--x) ;
• B.At line 1, insert x --;
• C.Replace line 6 with --x; and, at line 7, insert system, out. print (x);
• D.Replace line 12 With return (x > 0) ? false: true;

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Given the code fragment:

What is the result?
Invalid Name

• A.
• B.
• C.
• D.

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