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Arrays and Strings in C programming

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          Array is a data structure that store a number of data items as a single entity (object). The individual data items are called elements and all of them have same data types. Array is used when multiple data items that have common characteristics are required (in such situation use of more variables is not efficient). In array system, an array represents multiple data items but they share same name. The individual data items can be characters, integers, floating point numbers etc. However, they must all be of the same type and the same storage class.
    It is the fact that a string can be represented as a one-dimensional character -type array. Thus, character array is also known as string. Each character within the string will be stored within one element of the array. Strings are used by C to manipulate text such as words and sentences. A string is always terminated by a null character ( i.e \0). The terminating null character \0 is important because it is the only way the string handling functions can know where the string ends.
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