Potter Metaphor.

Any Computer Language can be defined in terms of its Vocabulary and it's Grammar. A Language's grammar specifies the rules of composition of its fundamental elements.
When you start learning a language most of the introductory material focuses on the vocabulary and the grammar. When you achieve a satisfactory level of proficiency in the vocabulary and the grammar, you feel that you know the language. As you are aware that in languages like English, knowing vocabulary and grammar doesn't guarantee your ability to write an essay or a poem. Similarly knowing vocabulary and grammar of a computer programming language doesn't guarantee your ability to develop software in it. You have to master several other skills before you start developing a software. To clarify this to a new programmer, I use a metaphor called Potter Metaphor. 
A Potter starts with raw materials like mud, water, colours etc and with the use of his wheel creates pots. A potter who claims that he is a potter because he knows his raw material is immature. A potter is a potter because he can make a pot. Similarly, knowing a Computer Language like C is like knowing raw material. To be a developer you need skills enough to make a software product. 

Raw Material

         These building blocks that you use to create the finished product.


        Used by Engineer to perform various operations on raw material to create a finished product.


        The product that meets the specification of the customer.


        Person with skills to convert raw materials to finished product using required tools and processes.


To be a proficient developer, you must be clear about the product to be created. You must know your building blocks and tools well. You must be able to harness the design forces and their interactions to shape the product. You must know the process related to the software construction that would deliver the product in time and within budget.

copyright ©Rajesh Patkar, All rights reserved.


Unknown said…
Nice one sir...
Manoj said…
simple & sweet explanation..
Rohan said…
The very foundation that I acquired from you, is assimilated and now applied to various needs and also transferred to every colleague junior I meet. The Potter Metaphor and Knowledge Life Cycle is indeed every new beginner should know before starting with Software Development.

Thank you sir for making it so simple and clear that helps everyone of us excel well :D

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