• Arrays are data structures consisting of related data items of the same type. Arrays are fixed-length entities—they remain the same length once they’re created.
• Arrays are reference types. What we typically think of as an array is actually a reference to an array object. The elements of an array can be either value types or reference types (including other arrays).
• An app refers to an array element with an array-access expression that includes the name of the array, followed by the index of the particular element in square brackets (
• The first element in every array has index zero and is sometimes called the zeroth element.
• An array’s
Length property returns the number of elements ...