What is the difference between a parameter passed by reference a parameter passed by value? Could you give me some examples, please? 18 s 18 First and foremost, the “pass by value vs. pass by reference” distinction as defined in the CS theory is now obsolete because the technique originally defined as “pass by reference” … Read more
The primitive types (number, string, etc.) are passed by value, but objects are unknown, because they can be both passed-by-value (in case we consider that a variable holding an object is in fact a reference to the object) and passed-by-reference (when we consider that the variable to the object holds the object itself). Although it … Read more
I always thought Java uses pass-by-reference. However, I’ve seen a blog post that claims that Java uses pass-by-value. I don’t think I understand the distinction they’re making. What is the explanation? 9 92
Java is always pass-by-value. Unfortunately, when we deal with objects we are really dealing with object-handles called references which are passed-by-value as well. This terminology and semantics easily confuse many beginners. It goes like this: public static void main(String[] args) { Dog aDog = new Dog(“Max”); Dog oldDog = aDog; // we pass the object to foo foo(aDog); … Read more
