import java.io.*;				// for File
import java.util.*;				// for Scanner

public class Ch14_13		// input a text file line by line and given a line stored in a String, count each character, word and line
{							// throws an IOException if the file does not exist or there is a file error
	public static void main(String[] args)
	{
		Scanner s=null;		// declare the Scanner here since it is referenced in finally block, have to initialize it to null to appease the Java compiler
		int characters=0,words=0,lines=0;		// declare these here because they will be referenced in try and finally
		try{				// try to open and access the File
			File f;	
			f=new File("input.txt");		// open the File
			s=new Scanner(f);				// set the Scanner to access the File
			String line;					// line used to store the entire line at one time
			while(s.hasNext())	// if there is another line, continue
			{
				line=s.nextLine();	// get the full line
				for(int i=0;i<line.length();i++)	// now iterate for each character found in the line
				{
					characters++;		// we have read another character, increment characters
					if(line.charAt(i)==' '||line.charAt(i)=='\n') words++;	// assume all words end with a blank or \n, once we
				}						// have found an end of word, add 1 to words (note:  two blank spaces after a word cause
				lines++;				// the word to count twice!!
			}			// we have also finished a full line, add 1 to lines
		}
		catch(IOException e)	// IOException has happened
		{
			System.out.println(e);	// just output the exception
		}
		finally					// this clause executes whether an exception is raised or not
		{
			s.close();			// close the file and output any results
			System.out.println("The file has " + characters + " characters, " + words + " words, and " + lines + " lines.");
		}
	}
}