public static void main(String[] args) {
        if (args == null || args.length != 2) {
            System.exit(-1);
        } else {
            if (!expandArchive(args[0], args[1])) {
                System.exit(-1);
            }
        }
    }
public static void main ( String [ ] args ) { if ( args == null || args . length != 2 ) { System . exit ( - 1 ) ; } else { if ( ! expandArchive ( args [ 0 ] , args [ 1 ] ) ) { System . exit ( - 1 ) ; } } }
@param args the source and target locations, as absolute paths.