Many programming languages allow passing objects by reference or by value. In Java, we can only pass object parameters by value. This imposes limits and also raises questions. For instance, if the parameter value is changed in the method, what happens to the value following method execution? You may also wonder how Java manages object values in the memory heap. This article helps you resolve these and other common questions about object references in Java.
Passing object references in Java
In this article you'll learn the difference between passing by reference and passing by value in Java and how to pass Java object references: