Package(ClassLoader ld,String packageName,String sTitle,String sVersion,String sVendor,String iTitle,String iVersion,String iVendor,URL base){
  loader=ld;
  name=packageName.toString();
  specTitle=sTitle;
  specVersion=sVersion;
  specVendor=sVendor;
  implTitle=iTitle;
  implVersion=iVersion;
  implVendor=iVendor;
  sealBase=base;
}

Package ( ClassLoader ld , String packageName , String sTitle , String sVersion , String sVendor , String iTitle , String iVersion , String iVendor , URL base ) { loader = ld ; name = packageName . toString ( ) ; specTitle = sTitle ; specVersion = sVersion ; specVendor = sVendor ; implTitle = iTitle ; implVersion = iVersion ; implVendor = iVendor ; sealBase = base ; }
name must not be null .
