| Classes | Structures |
| It is used for large amounts of data. | It is used for smaller amounts of data. |
| It can be inherited. | It cannot be inherited. |
| It can be NULL. | It cannot be NULL like the class. |
| It can have destructor. | It cannot have destructor. |
| It can be abstract. | It cannot be abstract. |
| The keyword for class is 'class'. | The keyword for structure is 'struct'. |
| Class member variables are private by default. | Structure members have public access by default. |
| It contains a volatile field. | It cannot contain volatile field. |
| Fields are automatically initialized. | Fields are not automatically initialized. |
| You cannot use sizeof operator. | You can use sizeof operator. |
Syntax:
class <Class_name>
{
static void main(string[ ] args)
{
//Statements
}
} | Syntax:
struct <Structure_name>
{
//variable_declaration
}; |
Example:
class A
{
static void main(string[ ] args)
{
//Statements
}
} | Example:
struct Student
{
int rollno;
char stud_name;
char address;
}; |
