Discuss the difference between procedural programming and functional programming

There are several differences in Procedural and Functional programming.

 Procedural:

  • The output of a routine does not always have a direct correlation with the input.
  • Everything is done in specific order.
  • Execution of a routine may have side effects. 
  • Tends to emphasize implementing solutions in a linear fashion.


Functional:

  • The output routine often recursive.
  • Always return the same output for given input.
  • Order of evaluation is usually undefined.
  • There are no operation have side effects.
  • Good fit for parallel execution.



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