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Difference between Reference variable and Pointer variable
| Reference Variable | Pointer Variable |
| A reference can be used directly | A pointer needs to deference with * to access memory location |
| A reference to a class/struct uses (.) to access its members | A pointer to a classy class/struct uses ‘->’ to access its members |
| A reference has the same memory address as the item it references | A pointer that holds a memory address |
| Reference cannot be assigned Null directly | A pointer can be assigned NULL directly |
| Reference cannot be re-assigned | A pointer can be re-assigned |