Top "Pass-by-value" questions

Confused, whether java uses call by value or call by reference when an object reference is passed?

public class program1{ public static void main(String args[]){ java.util.Vector vc=new java.util.Vector(); vc.add("111"); vc.…

java pass-by-reference pass-by-value

C++ - passing references to std::shared_ptr or boost::shared_ptr

If I have a function that needs to work with a shared_ptr, wouldn't it be more efficient to pass …

c++ boost pass-by-reference pass-by-value shared-ptr

Java - Object state does not change after method call

Beginner java question, but I cannot understand how call-by-Value ( or Reference ) is working in the example below - How come …

java pass-by-reference pass-by-value

C++ pass list as a parameter to a function

I'm trying to build a very simple address book. I created a Contact class and the address book is a …

c++ list pass-by-reference pass-by-value

Does C# pass a List<T> to a method by reference or as a copy?

Taking my first steps in C# world from C/C++, so a bit hazy in details. Classes, as far as …

c# pass-by-reference pass-by-value

Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?

class D { public static void main(String args[]) { Integer b2=128; Integer b3=128; System.out.println(b2==b3); } } Output: false class …

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How do I pass the value (not the reference) of a JS variable to a function?

Here is a simplified version of something I'm trying to run: for (var i = 0; i < results.length; i++) { marker = …

javascript closures pass-by-reference listener pass-by-value

Python : When is a variable passed by reference and when by value?

Possible Duplicate: Python: How do I pass a variable by reference? My code : locs = [ [1], [2] ] for loc in locs: loc = [] print …

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What is the use of "ref" for reference-type variables in C#?

I understand that if I pass a value-type (int, struct, etc.) as a parameter (without the ref keyword), a copy …

c# parameters pass-by-reference pass-by-value

Is passing pointer argument, pass by value in C++?

Is passing pointer argument, pass by value in C++? Since i see that any change to the pointer as such …

c++ function pointers pass-by-value