On 12/17/2010 5:14 AM, Parshwa Murdia wrote:
I suspect Toxico is speaking about a particular challenge that has come up with educators teaching particularly OO languages as first languages. Specifically, because of the strong encapsulation and data hiding techniques present in these languages, a wide ecosystem of reusable class libraries has surrounded them - to the point where programming in these languages is often seen as an integration effort - trying to integrate a series of class libraries. As a result, a certain segment of the programming community has lost understanding of huge swaths of the practice - particularly foundational algorithms - such as searching and sorting algs - because learning programmers just use rather than implement. When you are reusing code (like a sorting or search algorithm, or a hash tree class in Java), think about whether you understand (at least in basic terms) how that code is likely implemented. If you were given the task of implementing a hash table (because java.util.HashMap was unavailable to you), would you be able to? Would you know where to start? Would you be able to describe the performance characteristics of a search, insert or delete using this structure? These are important questions that you should learn to answer... PK |
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