import java.io.*;

public class ShowFile2 {

    public static void main(String[] args) {
        int i;
        FileInputStream fin = null;  // Here, fin is initialized to null

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

        // The following code opens a file, reads characters until EOF
        // is encountered, and then closes the file via a finally block.
        try {
            fin = new FileInputStream(args[0]);

            do {
                i = fin.read();
                if(i != -1) System.out.print((char) i);
            } while(i != -1);
        } catch(FileNotFoundException exc) {
            System.out.println("File Not Found");
        } catch(IOException exc) {
            System.out.println("An I/O Error Ocurred");
        } finally {
            // Close file in all cases
            try {
                if(fin != null) fin.close(); // Close the file only if fin is not null
            } catch(IOException exc) {
                System.out.println("Error Closing File");
            }
        }
    }
}