question: private static Field findField ( Object instance , String name ) throws NoSuchFieldException { for ( Class < ? > clazz = instance . getClass ( ) ; clazz != null ; clazz = clazz . getSuperclass ( ) ) { try { Field field = clazz . getDeclaredField ( name ) ; if ( ! field . isAccessible ( ) ) { field . setAccessible ( true ) ; } return field ; } catch ( NoSuchFieldException e ) { } } throw new NoSuchFieldException ( "Field " + name + " not found in " + instance . getClass ( ) ) ; }
target:  Locates a given field anywhere in the class inheritance hierarchy.