The IDE provides a set of debuggers that suit most debugging tasks. Each debugger contains properties that affect how the debugger is called. All debugger types are listed in the Project Settings window under the Debugger Types node.
For more information, see:
Specifying the Default Debugger
Configuring a Debugger Type
Defining a New Debugger Type
Setting a Debugger Type in a Template
Removing a Debugger Type
Installing the Java Platform Debugger Architecture