Java-Reading a file

	import java.io.*;

	public class ShowFile {
	    public static void main(String args[]) throws IOException {
	        if (args.length != 0) {
	            File file = new File(args[0]);
	            if (file.exists() && file.isFile()) {
	                FileInputStream input_file =
	                    new FileInputStream(file);
	                /*FileInputStream input_file =
	                             new FileInputStream(args[0]);*/
	                int file_size = input_file.available();
	                byte[] data = new byte[file_size];
	                input_file.read(data);
	                System.out.println(new String(data));
	                input_file.close();
	            } else {
	                System.out.println("\"" + args[0] +
	                    "\" not found !!!");
	            }
	        } else {
	            System.out.println("Error in usage:");
	            System.out.println(
	                "  Usage - java ShowFile ");
	        }
	    }
	}