question: public final static VersionInfo [ ] loadVersionInfo ( String [ ] pckgs , ClassLoader clsldr ) { if ( pckgs == null ) { throw new IllegalArgumentException ( "Package identifier list must not be null." ) ; } ArrayList vil = new ArrayList ( pckgs . length ) ; for ( int i = 0 ; i < pckgs . length ; i ++ ) { VersionInfo vi = loadVersionInfo ( pckgs [ i ] , clsldr ) ; if ( vi != null ) vil . add ( vi ) ; } return ( VersionInfo [ ] ) vil . toArray ( new VersionInfo [ vil . size ( ) ] ) ; }
target:  Loads version information for a list of packages.