question: public static < T > List < T > instantiateAll ( String [ ] classes , ClassLoader classLoader ) { List < T > clazzes = new ArrayList < T > ( ) ; for ( String clazz : classes ) { if ( StringUtils . hasLength ( clazz ) ) { try { clazzes . add ( ClassUtils . < T > instantiate ( clazz , classLoader ) ) ; } catch ( Exception e ) { throw new CassandraMigrationException ( "Unable to instantiate class: " + clazz , e ) ; } } } return clazzes ; }
target:  Instantiate all these classes.