Simple programming Error in Java

I copied a simple program from a book. Author is E.Balaguruswami
It was just to show basic input using package io and Datainputstream.
After compilation an error was shown--
Note: filename.java uses or overrides a depricated API
Note:Recompile with-Xlint:deprication for detail

Full code is===
import java.io.*;
class sania
{
public static void main(String args[])
{
DataInputStream i=new DataInputStream(System.in);
int c=0;
try
{
System.out.println("Enter a Number");
c=Integer.parseInt(i.readLine());
}
catch(Exception e) { }
System.out.print(+c);
}
}