A Java program with two classes

class Room 
{
float length;
float breadth;
void getdata(float a, float b)
    	{
	length=a;
	breadth=b;
    	}
}

class RoomArea
{
public static void main(String args[])
	{
	float area;
	Room room1 = new Room();//Create an object room1 from the class Room
	room1.getdata(15,20);
	area=room1.length * room1.breadth;
	System.out.println("Area = "+area);
	}
}