what are the positives and negatives of the two designs attached. The Java code next to each design shows an example of how the constructors are implemented in the subclasses. Constructor code for the other two other subclasses is same as the Bipedal constructor in each design (except the number of legs value).

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Q: Make sure you know the difference between an abstract class and an interface and constructors.

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OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career. 

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is: