This illustration shows the hierarchy of components that exist when using Oracle Java. The hierarchy consists of the following components from the top component - the Java application - to the bottom component - the operating system.

• Java Server Applications
• Oracle-supported Java APIs: EJB, CORBA, SQLJ, JSP, JDBC, JNDI, and Servlets.
• Java Core Class Libraries
• Oracle Database JVM
• Oracle Database Libraries
• Operating System

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