Passing Object Reference Variables When you pass an object variable into a method, you must keep in mind that you're passing the object reference, and not the actual object itself. Remember that a ...

Those objects in turn typically contain reference variables that refer to further objects, which are indirectly reachable from a member of the root set. As long as a path exists either directly or ...

The root set of references is a reference variable collection always accessible to an executing Java program. Each variable’s reference value allows the program to access an object’s fields ...

A class creates a new data type that can be used to create objects. When you declare an object of a class, you are creating an instance of that class. Thus, a class is a logical construct. An object ...

Java provides a way for the programmer to exercise control over memory management by marking certain objects as expendable via reference objects. Should an application’s memory requirements ...

Java stores object values in heap memory; references to the value are stored in the stack. Another way to create strings is to use the new keyword, as in the following example. String s1 = new String( ...

Distributed applications provide numerous advantages related to software performance, reliability, interoperability, and extensibility. This paper focuses on distributed Java programs built with the ...

Object states and the Reference Objects API class hierarchy. Prior to the release of Java 2 Platform, Standard Edition (J2SE) 1.2, an object could be in only one of three states: reachable ...