Drive space usage information in JAVA

This JAVA code gives the dpace usage by the 'c:' drive you can modify it for others.

Code:

package com.oksbwn.systeminteraction;
import java.io.File;
public class DiskSpaceDetail
{
 public String FreeSpaceInDrive()
    { 
  String space="";
     File file = new File("C:");
     long totalSpace = file.getTotalSpace(); //total disk space in bytes.
     long usableSpace = file.getUsableSpace(); ///unallocated / free disk space in bytes.
      space=space+"C:";
     space="T:  "+ totalSpace /1024 /1024 + " MB  F: "+ usableSpace /1024 /1024+" MB";
     return space;
     }
 }