Practice›Java Fundamentals›Module 8. Interfaces & Abstract Classes›8.1 Interfaces
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Problem

8.1 Interfaces — capstone: one contract, two classes

Write a complete program with an interface Shape declaring area() and name(), and two classes implementing it: Square and Rect.

Read a square side, then a rectangle width and height. Put both shapes in one Shape[] array, print name area for each, then print the total area.

For the input 3 2 5:

Square 9.0
Rect 10.0
19.0
time 1000 ms memory 256 Mb
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