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Thread: try-catch block reports to have an Error that I don't know how to fix

  1. #1
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    Exclamation try-catch block reports to have an Error that I don't know how to fix

    // This program opens a text file and reads the contents of the text
    // file, name of which is specified as a command-line argument
      import java.io.*;
     
      public class ReadFile
      {
     
    	  public static void main(String[] args) throws IOException
    	  {
    		  int i;
    		  FileInputStream theFile;
     
    		  try
    		  {
    			  theFile = new FileInputStream(args[0]);
     
     
    		  }
     
    		  catch(FileNotFoundException exc)
    		  {
    			  System.out.println("The file you requested was not found, please doublecheck the name");
     
    		  }
     
     
    		  //catches the ArrayIndexOutOfBounds for the commandline arguments when a user
    		  //forgets to enter the name of the file as the command line arguments
     
    		  catch(ArrayIndexOutOfBoundsException e)
    		  {
    			  System.out.println("Abide by the syntax\n"+
    			                      "Usage: java ReadFile fileName");
     
              }
     
             // read bytes (the file ) until EOF is reached
     
             do
             {
    			 i = theFile.read(); // reads from the file
     
    			 if(i!= -1)
    			 System.out.print((char)i);
     
    		 } while(i != -1);
     
    		 theFile.close();
     
    	 } // ends main
     
     } // ends class ReadFile
    Last edited by Freaky Chris; June 24th, 2011 at 03:32 AM.


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: try-catch block reports to have an Error that I don't know how to fix

    This program opens a text file and reads the contents of the text file, name of which is specified as a command-line argument
    Ok then what happens?

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