layer one;

SoUrCe RooT one "root0.jak";

abstract class root$$one {
   root$$one( int x, double y, String z ) {}
}

SoUrCe  two "root1.jak";

 class root extends  root$$one  {
   root( int x, float y, String z ) {
      this(x+1,(double)y+2.0,"xxx"+z);  
   }
}