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Software Design Principles

What is design principle? it is basically a set of guidline which solve non-functional requirement or functional requirement.
According to Robert Martin there are 3 important characteristics of a bad design that should be avoided:

  • Rigidity: it is hard to change because every change affects too many other parts of the system.
  • Fragility: when you make a change, unexpected parts of the system break.
  • Immobility: Immobility is the inability to reuse software from other projects or from parts of the same project.

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