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JBuilder 7 SE's feature matrix says code templates are editable, but under Editor Options | Templates, the Add, Edit, and Delete buttons are disabled.
Methods of Object lost through interfaces

 public class B implements XYZ{
  B(){
   test2(this);
  }
  public static void main(String [] vars){
   new B();
  }
  void test2(XYZ interf){
   Class c = interf.getClass(); //does not work
 //  Class c = ((Object)interf).getClass(); //does work
   System.out.println("class is " + c);
  }
 }
 interface XYZ{};