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1 results

  • 9 - How to Debug Your Program

  • Perdita Stevens
  • Book:
    How to Write Good Programs
    Published online:
    10 July 2020
    Print publication:
    23 July 2020, pp 101-133

  • Summary

    Sometimes your program has some specific problem, or bug: perhaps it fails to compile, or perhaps there is a situation in which it does not do what you want. This chapter helps you approach this difficult situation systematically: localising, understanding and removing the bug, and finally, taking action to reduce your chance of introducing a similar bug again. It discusses common problems, including non-termination and null pointer exceptions, and helpful techniques such as cardboard debugging and defensive programming.