TwoClassDemo
Rectangle(int,int)
Rectangle(int,int)
in Square( int )
Rectangle(int,int)
in Square( int )
direct invocation of area()
Rectangle's area()
rect's area: 200
Rectangle's area()
sq's area: 25
Rectangle's area()
rectSq's area: 4
direct reference to printArea()'s
Rectangle's area()
Rectangle method, area = 200
Rectangle's area()
Square method, area = 25
Rectangle's area()
Square method, area = 4
parameter reference to printArea()'s
Rectangle's area()
Rectangle method, area = 200
Rectangle's area()
Square method, area = 25
Rectangle's area()
Square method, area = 4