FileFinder Iterative Code(JAVA).

Simple code for finding the files from a specified directory..

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
}//try
catch (Exception e){
}

}//while Loop
}//outer If
}//Outer For Loop
if (Flag==1)
System.out.println("File "+FileName+" Does not Exists");
}
}