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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.

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

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DrJava, the Java interpreter, gives students an interactive environment to practice testing strategies in.
Create boolean variables to use as the condition when introducing if statement to highlight for students that the condition is any expression that evaluates to true or false.
Track the variable values of a recursive function using multiple pieces of paper to form a “stack” so that students can visualize what happens when a method calls itself and how each method call has its own unique variable values.

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