How to Create a Reference to an Object in Java

In Brief...

A reference to an existing object in Java can be created simply by equating a variable to the object. To create a reference to an object in Java, follow these four steps.


  1. Open your text editor and create a new file. Type in the following Java statements:
    Java Source for Create Reference
  2. After the object is created, the object data is displayed. The object data is displayed again with the reference your program has created. The data shown on the output when you run your program should be the same.

  3. Save your file as

  4. Open a command prompt and navigate to the directory containing your new Java programs. Then type in the command to compile your Java source and hit Enter.
    Compile Create Reference

  5. You are ready to test your Java program. Type in the command to run the Java runtime launcher and hit Enter. Observe that the second line of output displays the same object data as the first line, confirming that your new reference is working correctly.
    Run Program with Create Reference

Author: Stephen Withrow

Stephen has over 30 years' experience in training, development, and consulting in a variety of technology areas including Java, C, C++, XML, JavaScript, AJAX, Tomcat, JBoss, Oracle, and DB2. His background includes design and implementation of business solutions on client/server, Web, and enterprise platforms. Stephen is a published writer in both technical and non-technical endeavors. Stephen received an undergraduate degree in Computer Science and Physics from Florida State University.