Java Programming

Enter name of file:
Exception in thread "main" java.io.IOException: The handle is invalid
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(Unknown Source)
at java.io.BufferedInputStream.read1(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at sun.nio.cs.StreamDecoder.readBytes(Unknown Source)
at sun.nio.cs.StreamDecoder.implRead(Unknown Source)
at sun.nio.cs.StreamDecoder.read(Unknown Source)
at java.io.InputStreamReader.read(Unknown Source)
at java.io.BufferedReader.fill(Unknown Source)
at java.io.BufferedReader.readLine(Unknown Source)
at java.io.BufferedReader.readLine(Unknown Source)
at crapo.main(crapo.java:15)

Tool completed with exit code 1



import java.io.*;



public class crapo{
public static void main(String[] args) throws IOException {




BufferedReader keys = new BufferedReader(
new InputStreamReader( System.in ));
System.out.println("Enter name of file: ");
String fileName = keys.readLine();

}
}