question: public static void loadRegistrations ( DataInput in ) throws IOException { int instId ; while ( ( instId = in . readInt ( ) ) != 0 ) { Class instClass = null ; Class instantiatedClass = null ; boolean skip = false ; try { instClass = DataSerializer . readClass ( in ) ; } catch ( ClassNotFoundException ex ) { skip = true ; } try { instantiatedClass = DataSerializer . readClass ( in ) ; } catch ( ClassNotFoundException ex ) { skip = true ; } if ( skip ) { continue ; } register ( newInstance ( instClass , instantiatedClass , instId ) , true ) ; } }
target:  Read the data from in and register it with this class.