import java.io.*;
import java.lang.*;

public class WholeFileReader {
  
  public String readFile(String path) {

    try ( FileReader fReader = new FileReader(new File (path)) ) {      
      BufferedReader in = new BufferedReader(fReader);
      String inputLine;
      StringBuffer strDocument = new StringBuffer();
      while ((inputLine = in.readLine()) != null) {
        strDocument.append(inputLine);
        //throw new IOException();
      }
      return strDocument.toString();
    }
    catch(IOException ex) {
      System.out.println("IOException occured while reading from file "+path);
    }
    
    return "";
  }
  
  public static void main(String args[]) {
    WholeFileReader wfr = new WholeFileReader();
    try {
      System.out.println(wfr.readFile(args[0]) );
    }
    catch(IndexOutOfBoundsException ex) {
      System.out.println("No file has been specified from command line!\n");
    }
  }

}