Java.util.PropertyPermission.hashCode() Method

Description

The java.util.PropertyPermission.hashCode() method returns the hash code value for this object. The hash code is determined from the permissions name.

Declaration

Following is the declaration for java.util.PropertyPermission.hashCode() method

public int hashCode()

Parameters

Return Value

This method returns integer value for the hash code of this object.

Exception

Example

The following example shows the usage of java.util.PropertyPermission.hashCode() method.

package com.tutorialspoint;

import java.util.Date;
import java.util.Hashtable;
import java.util.PropertyPermission;

public class PropertyPermissionDemo {
   private static Hashtable validity;
   
   public static void main(String[] args) {
      // Build property permissions validity collection
      validity = new Hashtable();
      validity.put(new PropertyPermission("java.home.usr", "read"), 
                   new Date(2012, 12, 31));
      
      // Get permissions and validity
      checkFilePermissions("java.home.usr");
   }

   private static void checkFilePermissions(String path) {
      // Hashcode is calculated by name
      PropertyPermission permission = new PropertyPermission(path, "read");
      System.out.println("Has permissions on "+path+
                         " for read, Till: "+validity.get(permission));
   }
}

Let us compile and run the above program, this will produce the following result:

Has permissions on java.home.usr for read, Till: Fri Jan 31 00:00:00 IST 3913