Decorator

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Open its course - Design Patterns

Decorator By Mukhtiar Zamin
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This lecture will teach you the Decorator design pattern, which is a structural design pattern from GoF patterns.

Watch the interaction video and then self assist yourself.

Lab for All, By Mukhtiar Zamin

Watch the following video and then perform the lab tasks:

Update the example with following additions:

Convert the output to "Shape : Circle with Red color" when it is decorated and "Shape: Circle" when not decorated.
Add one more decorator ThickBorderDecorator, which will decorate the shape with thick border.
Print shapes without decoration, with red color, with thick border only and then with both red color and thick border decoration in the Demo class.

To earn PASS status, system is about to evaluate you using multiple choice questions (MCQs) and True/False type questions.

CAREFULLY READ THE FOLLOWING INSTRUCTIONS!
Make sure you have learned this lecture along with its topics and tutorials.
On first evaluation you get 100% marks on correct answer, then on 2nd you get 95% marks and so on.
Answer the questions with a gap NOT MORE THAN A MINUTE, Otherwise it will re-start.

I have read above instrucitons and ready for evaluation.

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Decorator Lab Lab Tasks

Decorator