COMPUTER SCIENCE AND ENGINEERING
DATA STRUCTURES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The smallest number an array can hold
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The biggest number an array can hold
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An element is one value in an array
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None of the above
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Detailed explanation-1: -An array element is one value in an array. An array index is an integer indicating a position in an array. Like Strings, arrays use zero-based indexing, that is, array indexes start with 0. The following displays the indexes and values in an array with 10 elements of type int.
Detailed explanation-2: -Each item in an array is called an element, and each element is accessed by its numerical index. As shown in the preceding illustration, numbering begins with 0. The 9th element, for example, would therefore be accessed at index 8.
Detailed explanation-3: -Each element in the array is referenced by its ordinal position as the index value. If N is the number of elements in an ordinary array, the ordinal position associated with each element is an integer value greater than or equal to 1 and less than or equal to N.
Detailed explanation-4: -Definition. An array is an indexed collection of data elements of the same type. 1) Indexed means that the array elements are numbered (starting at 0).