// define class
class Dt
{
//define main from where the program executes begin
public static void main(String args[])
{
data type
--------------------
are the means to identify the type of data and associated operations of handling it.
2 types of dt
**************
1 Primitive
Integer
1 byte
2 short
3 int
4 long
floating
5 float
6 double
7 char
8 boolean
2 Reference type
1 class
2 arrays
3 interface
4 enum
5 anotation
}
}