Edit... 
 Select the Edit... command  to open the Launch Configuration Dialog, and allow you to edit the launch configuration for the selected  target.

The resulting launch configuration dialog, in this example a Java Application type.
 
 
  Debugger
  Local debugging
  Remote debugging
  Changing debugger launch options
  Connecting to a remote VM with the Remote Java application launch configuration
  Disconnecting from a VM
  Launching a Java program
  Preparing to debug
  Resuming the execution of suspended threads
  Running and debugging
  Stepping through the execution of a program
  Suspending threads
  Debug View
  Debug preferences