JAVA HELP ASAP!!

Question

Write a program to scan a text file and capitalize each word. To do that:

1. change the first letter of each word to Capital then
2. print the resulting text to the console.

Answer 1

import java.lang.Character;

import java.io.*;

class Capitalize

{

public int Go(String input_filename, String output_filename)

{

int iReturn=0;

try

{

FileReader fileReader = new FileReader(input_filename);

BufferedReader bufferedReader = new BufferedReader(fileReader);

FileWriter fileWriter = new FileWriter(output_filename);

BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);

String inbuff = new String("?");

while (inbuff != null)

{

inbuff = bufferedReader.readLine();

//System.out.println(" read inbuff >" + inbuff + "<");

if (inbuff != null)

{

String tokensInput[] = inbuff.split(" ");

int N = tokensInput.length;

String outbuff = " ";

for (int iLoop=0; iLoop < N ; iLoop++)

{

String curTokenInput = new String(tokensInput[iLoop]);

//System.out.println(" input token at index " + (iLoop) + " >" + curTokenInput + "<");

char chFirstChar = curTokenInput.charAt(0);

char chFirstCharUpperCase = Character.toUpperCase(chFirstChar);

String curTokenOutput = chFirstCharUpperCase + curTokenInput.substring(1);

System.out.print(curTokenOutput + " ");

outbuff = outbuff + curTokenOutput + " ";

}

bufferedWriter.write(outbuff);

bufferedWriter.newLine();

}

else

{

break;

}

}

bufferedReader.close();

bufferedWriter.close();

}

catch (IOException ex)

{

System.out.println(" Exception error occurs reading input file ");

iReturn=-1;

}

return(iReturn);

}

public static void main(String args[])

{

if (args.length>0)

{

Capitalize capitalizer = new Capitalize();

if (args.length>1)

{

capitalizer.Go(args[0],args[1]);

}

else

{

String default_output_filename = "capitalizer_output.dat";

capitalizer.Go(args[0],default_output_filename);

}

}

else

{

System.out.println(" Please specify the filename .... \n");

System.out.println(" system prompt ~$:> Capitalize input-filename output-filename \n");

System.out.println(" input filename is required; output filename is optional ");

}

}

}