import java.io.*;import java.nio.*;import java.util.*;

class FileFinder{

static String ConvertFilesToString(File St){

String Obj=St.getPath();return Obj;

}

public static void main (String[]args){int i;int Flag=1;File Obj=new File(".");String FileName="user.dat";File []Arry=Obj.listRoots();

Stack stack=new Stack();

System.out.println("Please Wait...");

for (int a=0;a<Arry.length&&Flag==1;a++){

if (Arry[a].exists()){

String Str=Arry[a].getPath();File O=new File(Str);File [] Arr= O.listFiles();

for (i=0;i<Arr.length;i++)if (Arr[i].isDirectory()&&Arr[i].canRead())

stack.push(Arr[i]);else{

if (Arr[i].isFile()) {String StringObj=Arr[i].getName();

if(FileName.equalsIgnoreCase(StringObj)&&Arr[i].canRead()){  Flag=0;  System.out.println("File Found");  System.out.println(Arr[i].getPath());  }//if

  }//outer if

}

while (!stack.empty()&&Flag==1){

try{O=new File(ConvertFilesToString((File)stack.pop()));Arr=O.listFiles();

for (i=0;i<Arr.length;i++){

 

if (Arr[i].isDirectory()&&Arr[i].canRead())stack.push(Arr[i]);

if (Arr[i].isFile()&&Arr[i].canRead()) {String StringObj=Arr[i].getName();if(FileName.equalsIgnoreCase(StringObj)){  Flag=0;  System.out.println("File Found");

  System.out.println(Arr[i].getPath());  }//if

  }//outer if

}//for Loop}//trycatch (Exception e){}

}//while Loop}//outer If}//Outer For Loop

if (Flag==1)System.out.println("File "+FileName+" Does not Exists");}}