package com.ricky.www;

import java.io.FilePermission;
import java.security.Permission;

import sun.security.util.SecurityConstants;

public class Test {
  public static void main(String[] args) {
    SecurityManager manager = new SecurityManager();
    System.setSecurityManager(manager);
    Permission perm = new FilePermission("c:/family/ricky.txt", SecurityConstants.FILE_READ_ACTION);
    manager.checkPermission(perm);
  }
}