Position number: distance from 1st element of array, beginning at 0 (zero).Specific index value (e.g., num) indicates position of element in array.Index value (intExp) specifies position of element in array Compiler reserves the appropriate amount of memory.Index (intExp), any expression whose value is non-negative integer.declares array num containing 5 elements of type int: intExp evaluates to positive integer-indicates number of elements Syntax to declare one-dimensional array:.The highest element index is one less than the total number of elements in.First element is subscript 0 (zero), sometimes called the zeroth element.Position number is formally called the subscript or index.The collection of data is indexed, or numbered, and at starts at 0.Consecutive group of memory locations that all have the same type.Multi-dimensional array: array in which components are arranged in.One-dimensional array: array in which components are arranged in list form.Array: collection of fixed number of components (elements), wherein all of components have same data type.***Even though individual characters in a string can be accessed, the string data type is not considered a structured data type. integral (char, short, int, long, and bool).Furthermore, a structured data type is a user-defined data type (UDT) with elements that are are divisible, and can be used discretely or as a single unit, as appropriate.
Similarly, data can then be retrieved as an aggregate, or each component (element) in the collection can be accessed individually. The purpose of structured data types is to group related data of various types for convenient access using the same identifier. In a structured data type, the entire collection A structured data type is one in which each data item is a collection Data Types, Arrays and Strings Data Types, Arrays and StringsĪ simple data type can store only one value at a time.