Basic Example using Pointer and Array in C++

Example Program:

Here is the simple program for printing the basic examples using pointer and array in C++.

Source Code Example : 1

using namespace std;
int main()
  float arr[3];
  float *ptr;
  cout<<"Displaying address using arrays: "<<endl;
  for(int i=0;i<3;++i)
    cout<<"&arr["<<i<<"] = "<<&arr[i]<<endl;
  cout<<"\nDisplaying address using pointers: "<<endl;
  for(int i=0;i<3;++i)
    cout<<"ptr + "<<i<<" = "<<ptr+i<<endl;
  return 0;
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Displaying address using arrays: 
&arr[0] = 0x7ffd0f0ca02c
&arr[1] = 0x7ffd0f0ca030
&arr[2] = 0x7ffd0f0ca034

Displaying address using pointers: 
ptr + 0 = 0x7ffd0f0ca02c
ptr + 1 = 0x7ffd0f0ca030
ptr + 2 = 0x7ffd0f0ca034

Source Code Example : 2

using namespace std;
const int MAX = 3;
int main()
  int var[MAX] = {10,100,200};
  int *ptr;
  for(int i=0;i<MAX;i++)
    cout<<"Address of var["<<i<<"] = ";
    cout<<"Value of var["<<i<<"] = ";
  return 0;
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Address of var[0] = 0x7fffd226f93c
Value of var[0] = 10
Address of var[1] = 0x7fffd226f940
Value of var[1] = 100
Address of var[2] = 0x7fffd226f944
Value of var[2] = 200

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