设置文件权限的两种方式---POSIX

()

Path path = ("/home/icer/");

PosixFileAttributes attr = null;
		
try {
	attr = (path, , LinkOption.NOFOLLOW_LINKS);
} catch (Exception e) {
	();
}
		
FileAttribute<Set<PosixFilePermission>> posixAttrs = (());
		
try {
	(path, posixAttrs);
} catch (Exception e) {
	();
}

()

Path path = ("/home/icer/");
		
try {
	Set<PosixFilePermission> permissions = ("rw-r--r--");
		
	(path, permissions);
} catch (Exception e) {
	();
}