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USEser Aygün
 

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    1. CO@newacct Good argument! But now you are using pointer references (`Integer *&`). If Java had had pointers you could do the same: `swap(Pointer<Integer> a, Pointer<Integer> b); ...` In fact, you can implement a `Pointer<T>` class easily and achieve the same effect. Again, I cannot see any difference between how C++ and Java handle object references.
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    2. CO@A.H. `int` is not an object type. You can't pass primitive types by reference in Java. So, in my hypothetical language (Java with ampersands), it would be disallowed to define primitive arguments with `&`. Similarly, it would be disallowed to define object arguments _without_ `&` (as all objects must reside inside the heap). This hypothetical Java syntax would look like C++, work like C++, with the intrinsic restrictions of Java that I listed above. That's what I was trying to demonstrate. I need more space to discuss it further. Maybe I should write an article...
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    3. CO@A.H. I understand the second point and I agree. On the first point, I was not referring to implementation details but actual effects. _When working with objects_, PBR in C++ has the same effects as PBV (as everybody calls it) in Java. The only difference I can see is the notation. One could easily change the Java syntax and require `&` before reference types. Then how would you explain the difference? (I'm not trying to bug you by the way. Excuse me if I seem obstinate.)
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