The basic difference is that primitive variables store the actual values, whereas reference variables store the addresses of the objects they refer to. Let’s assume that a class Person is …

Nov 18, 2017 · 7 I have been studying Inheritance in Java and the writer makes the statement "it is the type of object being referred to (not the type of reference variable) that determines which …

Aug 14, 2015 · A reference is a value used to access an object - e.g. to call methods on it, access fields etc. You typically navigate the reference with the . operator. For example, if foo is a …

Sep 3, 2008 · To me, saying that an object's reference is passed by value is the same as saying that the object is passed by reference. I'm a Java novice, but I presume that (in contrast) …

Jul 1, 2009 · Java is confusing because everything is passed by value. However for a parameter of reference type (i.e. not a parameter of primitive type) it is the reference itself which is …

Sep 15, 2011 · Pointers are unsafe and references are safe. If you have an option between the two select references. In languages like C#, you have this freedom. Pointers exists in C/C++ …

Nov 25, 2015 · What is Object Reference variable in java? Does the reference variable holds the memory address of the object? I am confused. Please do explain.

Aug 13, 2009 · 56 What is happening is that the reference is passed by value, i.e., a copy of the reference is passed. Nothing in java is passed by reference, and since a string is immutable, …

Jul 24, 2010 · 20 You cannot pass arguments by reference in Java. What you can do is wrap your integer value in a mutable object. Using Apache Commons' MutableInt is a good option. …

May 26, 2012 · An object is, essentially, a chunk of memory living in the heap. (Part of the memory structure of objects includes a reference to the class of that object.) Object variables …