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Thread: word counter program

  1. #1
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    Cool word counter program

    INSTRUCTIONS
    1. Create a WordCounter class with a constructor that takes a file name as a parameter
    2. The class should have two fields: one for the file name and one for a HashMap to store word count information
    3. The constructor should call a private method, countWords, that reads in the file and counts the word frequencies
    4. The class should contain a get method for each field, as well as a print method that prints out the map in the following format: word: frequency
    5. When printing, the map should be sorted by either the word order or frequency (Hint: see Collections.sort)
    6. You should include the sample text file on Blackboard



    import java.io.File;
    import java.util.ArrayList;
    import java.util.Collections;
    import java.util.HashMap;
    import java.util.Scanner;
     
     
     
    public class WordCounter 
    {
    	// 2 fields for file name and hashmap
    	private ArrayList<String> fn,hm;
    	private Scanner x;
     
    	// constructor
    	public WordCounter(String frame)
    	{
    		countwords();
     
    	}
    	// methods
    	private void countwords ()
    	{
    		try{
    			x = new Scanner (new File("test.file.txt"));
    		System.out.println(Collections.frequency(fn, hm));
    		}
    		catch (Exception e){
    			System.out.println("File not found");
    		}
    	}
    	private void print() {
     
     
    	}
    	public static void main(String[] args) 
    	{
    		String fname = "test-file.txt";
    		if (args.length > 0)
    			fname = args[0];
     
    		WordCounter wc = new WordCounter(fname);
    		wc.print();
    	}
     
     
    }

    I still need help with step 4 and 5. please help im still learning
    Last edited by shad0wblade890; March 4th, 2014 at 11:04 AM.


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: word counter program

    The steps are not numbered. Which are 4 & 5?

    Please be more specific describing your problems.
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: word counter program

    done and i need help on the print method as you can see i left it blank because idk where to start. also i want to make sure that the code i did matches the instructions

  4. #4
    Super Moderator Norm's Avatar
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    Default Re: word counter program

    need help on the print method
    What is the printed output supposed to look like? Where does the data that is to be printed come from?
    If you don't understand my answer, don't ignore it, ask a question.

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