Object Oriented Design Interview Questions. Design a rules engine. It should run in at least linear time and should efficiently handle repetitive attributes in different rules. E.g., Attributes: 1. Digit check 2. Character check Rule: 1. Rule 1 - input should be digit 2. Rule 2 - input should be digit and = 3 3.
the movement of a car that takes broken, misshapen plastic to create blocks is being shown here. the car was carefully modeled in order to maintain its unique and fun qualities. colorful pieces of plastic were created using 3D printing, and the blocks were made using polystyrene board.