import java.io.*;

public class ShowFile3 {

    public static void main(String[] args) {
        int i;

        // First make sure that a file name has been specified.
        if(args.length != 1) {
            System.out.println("Usage: ShowFile filename");
            return;
        }

        // The following code uses try-with-resources to open a file
        // and then automatically close it when the try block is left.

        try(FileInputStream fin = new FileInputStream(args[0])) {

            do {
                i = fin.read();
                if(i != -1) System.out.print((char) i);
            } while(i != -1);

        } catch(IOException exc) {
            System.out.println("I/O Error: " + exc);
        }
    }
}