What is class?

Question

Class is basic building blocks. That support building program. Class name is user defined data type. And object is variable of that data type.
Example
Class myself //define class
myself obj =new myself //define object

New keyword used for allocate memory for objects ( variable of user defined data type) .

Answer 1

class is a user defined type declared with keyword class which has some data members and member fuction which has some access specifiers like private ,public ,protected.
eg .
class a {
int q;//data members
public://access specifiers
void sum ();//member function
}