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Experiment 2: Value Parameters and Their Arguments

The Question: If a function alters the value of one of its value parameters, what is the effect on the argument corresponding to that parameter?

Hypothesis: Review the definition of value parameters, and then construct a hypothesis:



The Experiment: The current definition of program params takes the following steps:

   1. Assign initial values to arg1, arg2, and arg3;
   2. Display those values on the screen;
   3. Call Change(), passing it arg1, arg2, and arg3 as arguments 
         (and have Change() assign values to their corresponding parameters), and
   4. Display the values of arg1, arg2, and arg3.

Observation: Execute your source program. What is displayed ?





Conclusions: Review the definition of a value parameter, and explain what happened.

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Lab 0

Lab 1

Lab 2

Lab 3a

Lab 3b

Lab 4

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Lab 7

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