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Friday 12 January 2018

ARRAY KYA HAI

Dosto aaj hum bat krenge ki Array kya hai.
Array ko c language, c++ and ect. me use kiya jata hai.

ARRAY KYA HAI
ARRAY KYA HAI

KYA HAI ARRAY :-

bhot si information ko ek single data-type me store krne ke liye hi hum array ka use krte hai, array bhi ek data-type hai.
C, C++ Programming language me array ka declaration and initialization same hi hota hai.

TYPES OF ARRAY :-

Generally array two types ke hote hai.

  1. Single Dimensional array.
  1. Multi Dimensional array.

SINGLE DIMENSIONAL ARRAY :-

  • Single dimensional array ek single line ki trah hota hai.
  • Single dimensional array ko ek variable ki trah hi kiya jata hai.
  • Single dimensional array me sabse phle data-type hi batana hota hai.
  • Syntax of single dimensional array:-
              <data-type> <array_name> [size];
Example of Single Dimensional array :-
  1. int
  1. float
  1. char
  1. etc
  • uske bad aap array ka naam de sakte ho jis naam se aap array banana chahte ho. or array ke naam ke sath aap array ka size bhi di jiye, array ka size [ ] ke andar likha jata hai. yhan array ka size run time pr change nhi hoga ek baar assign krne ke bad array ko declare or initialization kiya ja sakta hai, jisse size bhi fixed ho jata hai.
Examples :-
               int  iarr[3]    = {2, 3, 4};
               char carr[20]   ="c4learn";
               float farr[3]     = {12.5, 13.5, 14.5};

MULTI DIMENSIONAL ARRAY :-
  • Multi dimensional array me row and collumn dono hote hai.
  • Multi dimensional array ko ek matrix bhi bol sakte hai.

  • Multi dimensional array me row or column ka size fixe rhta hai.
  • Syntax of multi dimensional array :-
                <data-type><array_name>  [row][column];
Examples :-
                   int  a[3][3]   =     {1, 2, 3, 4, 5, 6, 7, 8, 9};
isme row or column ka size 3 hai.
isliye isme 3 rows or 3 column banegi.
  


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