Java - MCQ

 

Java MCQ - Methods and Arrays - Set 34

31. An array elements are always stored in ________ memory locations.
A). Sequential
B). Random
C). Sequential and Random
D). Binary search
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32. Which of these is an incorrect Statement?
A). It is necessary to use new operator to initialize an array.
B). Array can be initialized using comma separated expressions surrounded by curly braces.
C). Array can be initialized when they are declared.
D). None of the mentioned

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33. In Java arrays are
A). objects
B). object references
C). primitive data type
D). None of the above
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34. Which one of the following is a valid statement?
A). char[] c = new char();
B). char[] c = new char[5];
C). char[] c = new char(4);
D). char[] c = new char[];

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35. What is the result of compiling and running the following code?

public class Test{
        public static void main(String[] args){
                int[] a = new int[0];
                System.out.print(a.length);
        }
}

A). 0
B). Compilation error, arrays cannot be initialized to zero size.
C). Compilation error, it is a.length() not a.length
D). None of the above
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