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Is Java pass by value or pass by reference?

C++ programming question (pass by value/ reference)?

  • If i want a funcion's parameter to never alter the runtime value passed by the caller program should i use pass by value or pass by reference parameter? thank you

  • Answer:

    The answer they are looking for here is pass by value, but it's a bad question, because you can pass by const reference too, which would also achieve the same thing.

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when you pass by value you are passing the value that is stored at some memory location. When you pass by reference you are passing, in effect, the memory address of the container that stores the value (be it an array, structure, variable etc.) Now that you know this what do you think the correct answer is?

You can pass by value or pass a constant reference. Either will work. http://xoax.net/comp/cpp/console/Lesson18.php

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