What are the different ways of passing parameters to the functions, Which to use when?

1 Answer(s)
  • Call by value − We send only values to the function as parameters. We choose this if we do not want the actual parameters to be modified with formal parameters but just used.
  • Call by reference − We send address of the actual parameters instead of values. We choose this if we do want the actual parameters to be modified with formal parameters.
Supporter Answered on August 15, 2019.
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