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  • INTERVIEW QUESTIONS LANGUAGES C DETAILS
    Question :
    What is the difference between a string and an array?



    Category C Interview Questions
    Rating (3.8) By 5 users
    Added on 7/19/2006
    Views 2709
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    Answers:

    An array is an array of anything. A string is a specific kind of an array with a well-known convention to
    determine its length.
    There are two kinds of programming languages: those in which a string is just an array of characters, and those
    in which it?s a special type. In C, a string is just an array of characters (type char), with one wrinkle: a C string
    always ends with a NUL character. The ?value? of an array is the same as the address of (or a pointer to) the
    first element; so, frequently, a C string and a pointer to char are used to mean the same thing.
    An array can be any length. If it?s passed to a function, there?s no way the function can tell how long the array
    is supposed to be, unless some convention is used. The convention for strings is NUL termination; the last
    character is an ASCII NUL (??) character.



    "character array" is called as "string" where as array is used to store collection of any simliar data type.



     Posted by: sreelatha    

    Contact sreelatha  Contact sreelatha

    string is also made up of consecutive location that is array. Without array we can not store any string. We can't define difference between both string and array.



     Posted by: shanmugam    

    Contact shanmugam  Contact shanmugam


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