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Exercise: The Image Processor (PECS)

Explore implementing a generic method using the PECS (Producer Extends, Consumer Super) principle to move image objects between collections. Learn how to enable safe, flexible transfers from subtype lists like List<Jpeg> and List<Png> into a general List<Image> while ensuring compile-time type safety and reusability.

Problem statement

You are building an image processing pipeline. The system receives images from different sources: a scanner produces Png files, and a camera produces ...