为什么j2me模拟器运行不起？

Syntax:

emulator [arguments]

In order to get commands supported by given device run:
emulator.exe -Xdevice: -Xquery

Generic list of arguments is:

-version Display version information about the emulator
-help Display list of valid arguments
-classpath, -cp The class path for the VM
-D= Set a system property
-Xdebug Use a remote debugger
-Xrunjdwp:[transport=,address=

,server=
suspend=]
Debugging options
-Xdevice: Select a device skin for the emulator
-Xdomain:
Set the MIDlet suite's security domain

-Xquery Print device information
-Xjam[:install= | force | list | storageNames |
run=[ | ] |
remove=[ | | all]]
Java Application Manager and support
for Over The Air provisioning (OTA)
-Xautotest:
Run in autotest mode
-Xdescriptor:
The JAD file to be executed

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有装JAVA吗

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