POINTER & ARRAY
Explain the difference between a pointer and an array in C++
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* ******* ** *** ** * variable ***** ***** ** *** ******* of another ******** * ******* **** ** ******** ****** working ** it *** ******* **** ** * ******* ******** *********** *** type *var-name; ***** **** ** the *************** **** **** *** ******** ** the name ** *** pointer variable
Pointers
** C++ define * ******* ********* ****** *** ******* ** a variable ** a ******* and ****** *** ***** ** the ******* ********* ** the ******* variable **** is **** ** using ***** ******** * **** ******* *** value of *** ******** ******* ** *** address specified ** *** ******** Example:
#include
*****************
using
namespace std;
***
**** *** **
***
*** * ***
//
******
********
declaration *** *ip; ** ******* ********* ** *
*********
// ***** address of ***
**
******* ********* **** << *********** of var ********* ******** **** ********
var
******** ****** ** ***** the address stored
in
** pointer variable **** ********
*************
******
in
ip ********* ******** cout << ** ******** endl; //
******
the value at *** ******* ********* in pointer
****
******** *********** ** *** *********
********
****
********
*** << ****** ****** 0; ** When *** code *****
is
compiled *** ******** ** ******** ****** something
**
follows: Value ** var *********
20
*******
******
** **
*********
***********
*****
** *** ********* *** An ***** ** C++ ** ******* ** number ** ******
*********
each ** ***** *** *****
the
**** **** **** and ***** ***
**
********** ******* the **** ********
****
******
use
******** ** ********* memory ********* The ******** array *********** ** **** ************* [lengthofarray] ***** **** specifies *** ******** **** of ******* ***** is ***** ** ** ****** ** *** array ******** *** program below **** ******* an ***** ** **** integers *** ***** all *** elements ** *** ****** Int ******* *** * ********* ** ** ***** all the ******** ** ***
******
Or **** **** i<5;i++){ *********************** ************
