Running a Program on a 64-Bit Java Virtual Machine

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You can use the Java HotSpot Server virtual machine on 64-bit Sparc-v9 platforms. You must be running J2SDK 1.4. The following are two reasons why you might want to use a 64-bit Java virtual machine (JVM):

To use a 64-bit JVM for program execution:

  1. From the main window, choose Tools and choose Options.
  2. In the Options window, expand Debugging and Executing and expand Execution Types.
  3. Select an executor type.

    You cannot use a 64-bit JVM with the following execution types: Internal Execution, Ant Script Execution, install As Module, and J2EE Server.

  4. Add the -d64 flag to the External Process property.

For more information on 64-bit operations, see

http://java.sun.com/j2se/1.4/docs/guide/vm/index.html 
See Also
Debugging a Program on a 64-Bit Java Virtual Machine

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