Web Reference: Jul 23, 2025 · Reference variables hold the objects/values of reference types in Java. 3. Reference variable can also store null value. By default, if no object is passed to a reference variable then it will store a null value. 4. You can access object members using a reference variable using dot syntax. From the programmer's perspective, a primitive variable's information is stored as the value of that variable, whereas a reference variable holds a reference to information related to that variable. reference variables are practically always objects in Java. Nov 18, 2017 · Reference variable is a term to indicate/explain that a variable is only referring to a type and yet not instantiated. Also after instantiation it's type will be something that would depend on how or by which class a reference variable will be instantiated.
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