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Teach students that running tests cannot prove that a code works. It can, however, prove that code is not working.

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Tags

  • AP A
  • Content Misconceptions
  • Java
  • Development Methods
External Source

Tips from Deborah Power Carter The College Board’s AP Computer Science Teacher’s Guide.

Other Tips By
Other Tips By College Board's AP Computer Science Teacher’s Guide

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Misconception: Students may have trouble identifying errors in their code that cause elements to disappear from the page.
Show code where the name of the method’s actual arguments and formal parameters are different so students see first hand that these two items don’t have to match for code to execute and improve their understanding of scope.
Misconception: Students believe that in a primitive assignment, x = y could be the equivalent of y = x; they think that the computer science “=” sign is the same as the mathematical “=” sign.

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