Program for multithreaded file reading

import java.io.*;
import java.lang.*;
class MultiThreadedFileRead extends Thread
{
        InputStream in;
        MultiThreadedFileRead(String fname) throws Exception
        {
                in=new FileInputStream(fname);
                this.start();
        }
        public void run()
        {
                int i=0;
                while(i!=-1)
                {
                        try
                        {
                                i=in.read();
                                System.out.print((char)i);
                        }catch(Exception e){}
                }
                try
                {
                        in.close();
                }catch(Exception e){}
        }
        public static void main(String a[]) throws Exception
        {
                int n=2;
                System.out.print("Enter the number of files : ");
                BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
                try
                {
                        n=Integer.parseInt(br.readLine());
                }catch(Exception e){}
                MultiThreadedFileRead fr[]=new MultiThreadedFileRead[n];
                long tim;
                tim=System.currentTimeMillis();
                for(int i=0;i<n;i++)
                        fr[i]=new MultiThreadedFileRead(a[i]);
                for(int i=0;i<n;i++)
                {
                        try
                        {
                                fr[i].join();
                        }catch(Exception e){}
                }
                System.out.println("Time Required : "+(System.currentTimeMillis()-tim)+" miliseconds.");
        }
}