CS1 Standard Demo Page

The following text was written to the standard output stream when the ShapesThing program was executed from IntelliJ. square = <Square: side=400.0>
area of square = 160000.0
perimeter of square = 1600.0
diagonal of square = 565.685424949238
disk = <Circle: radius=200.0>
area of square = 125663.70614359173
perimeter of square = 1256.6370614359173
diamond = <Square: side=282.842712474619>