static boolean deleteFile(final File target) {
        return AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
            @Override
            public Boolean run() {
                return target.delete();
            }

        });
    }
static boolean deleteFile ( final File target ) { return AccessController . doPrivileged ( new PrivilegedAction < Boolean > ( ) { @ Override public Boolean run ( ) { return target . delete ( ) ; } } ) ; }
@param target
@return