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Karel J Robot

Explore the fascinating world of Karel J. Robot, designed to teach the principles of computer science via Object-Oriented Programming (OOP). This interactive learning approach develops essential problem-solving and abstract reasoning skills. In Karel's flat urban environment, students engage with various tasks involving streets, avenues, beepers, and walls. With capabilities such as movement, turning, and interacting with objects, Karel serves as an ideal platform to introduce fundamental programming concepts and logic through engaging challenges and scenarios.

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Karel J Robot

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  1. Karel J Robot • OOP approach to learning computer science • “Its study involves development of the ability to abstract the essential features of a problem and its solution, to reason effectively in the abstract plane, without confusion by a mass of highly relevant detail.” (C. Hoare)

  2. Streets Corner (many robots may occupy) Avenues Karel J (the Robot) • Robot World • A flat plane of streets (east-west) and avenues (north-south)

  3. Karel’s World (cont’d) • Contains Beepers and Walls • Beepers • May be picked up, carried, and placed again • May place several on a corner and they don’t interfere with Robot movement

  4. Robot Capabilities • Move • Turn • Sense surroundings • hear beepers (on same corner) • Determine direction it is facing • Pick up, carry, and put down beepers • Turn itself off

  5. “factories”(auf Deutsch) Karel-Werke • Factory - Builds the robots • Standard model • Write a spec for a new model • Extension of an existing base model • Factory – Delivers the robots

  6. Tasks & Situations • Examples • Move to a corner (3rd St. & 5th Ave.) • Run a race • Escape from a maze • Find a beeper and deliver it to the origin

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