Thread: Paragraph count using scanner

Hello,
I'm trying to build a program that counts the number of paragraphs from a text file.I tried to use a scanner but when i run the program it returns me 0.
I would appreciate any help...

Here is my code:

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;
 
import javax.swing.JFileChooser;
 
 
public class ParaCount {
 
	public static void main(String[] args) {
 
 
		JFileChooser chooseFile = new JFileChooser();
		if (chooseFile.showOpenDialog(null)==JFileChooser.APPROVE_OPTION){
			File selectedFile = chooseFile.getSelectedFile();
			  Scanner sc=null;
	    try
	    {
	        FileInputStream file = new FileInputStream(selectedFile);
	        DataInputStream dis = new DataInputStream(file);
	        BufferedReader br = new BufferedReader(new InputStreamReader(dis));
	        sc = new Scanner(selectedFile);
 
	       String str="";
	       int paraCount = 0;
 
 
	        while (sc.hasNextLine()){
	            str = sc.nextLine();
	            if (str.contains("\n") ){
	                   paraCount++;
	               }
	            }
 	       System.out.println("Number of paragrahs:"+paraCount);
	    } 
	    catch(IOException e1){
	        System.out.println(e1);   
	    }
	    }
	}
	}

Originally Posted by Norm

Can you define what a paragraph is and how you recognize one so it can be counted?

The newline character is used by the nextLine() to determine where the end of a line is. The newline character is not returned by the nextLine() method.

I'm not sure if a .txt document recognizes paragraphs so I arbitrarily define a paragraph as an empty space between two Strings.
e.g.

This is the first paragraph. This is the
first paragraph.

This is the second paragraph. This is the
second paragraph.

I realize that the problem is at the method nextLine().Is there a method that returns newline character?If not how else could I define a paragraph?

I finally used FileInputStream and the read() method recognizes newlines.

Thank you very much!