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If a method call is void, that means it will not return a data value to a program that calls it. Otherwise, the method is expected to return a data value of some sort.

For example, if I have a method called print() that is void, and the body of the method has a command to print a word to the screen, the method will run that command and end.

However, if I have a method called add(int x, int y) that takes two numbers and adds them together, the program calling this method wants an answer back. So this method is not void.

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14y ago
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13y ago

functions declared as void data type return nothing, whereas non void datatype returns some value

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Q: What is the difference of non void and void function?
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