The Complete Java Developer Course: From Beginner to Master - A Rectangle Class

This video tutorial covers the basics of object-oriented programming, focusing on encapsulation, inheritance, and polymorphism. It explains UML class diagrams and their use in software design. The tutorial then guides viewers through coding a Rectangle class in Java, including constructors, methods, and static fields. Testing and debugging are demonstrated, and a challenge is presented to add a perimeter method to the class.

What is the purpose of constructors in a class?

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Why is it not advisable to have a field for a value that can be easily calculated from other fields?

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How can you test the functionality of getters and setters in a class?

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What is the formula for calculating the perimeter of a rectangle?

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