***Need the Full Java Code!*** What your program should do: *Prompt the user to

Question

***Need the Full Java Code!***

What your program should do:

*Prompt the user to enter the name of the dictionary file to use (a text file)

*Set up two arrays of Strings, w3[] and w4[]

*Read all words from the file store all 3-letter words from the file into w3[] store all 4-letter words from the file into w4[] Write w3[] into a file called shorts3

*Write w4[] into a file called shorts4 You must create and fill the arrays w3[] and w4[] correctly; otherwise points will be deducted.

*Further Details:*

The dictionary file should be in the same directory as your executable. You should use the files on unixlab ~whsu/csc210/Projects/P10/words6752 or ~whsu/csc210/Projects/P10/words10683 as your dictionary files. (There’s also a very short file, ~whsu/csc210/Projects/P10/words5, for initial testing.) All these files are also accessible through your browser at

            http://userwww.sfsu.edu/~whsu/csc210/Projects/P10

A sample run:

unixlab% ls

ProcFile.class    words10683 words5      words6752

unixlab% cat words5

cat

intolerable

curd

daft

dog

unixlab% java ProcFile

Enter name of dictionary file: words5

unixlab% ls

procFile    shorts3     shorts4     words10683 words5      words6752

unixlab% cat shorts3

cat

dog

unixlab% cat shorts4

curd

daft

unixlab%

In more detail, suppose words5 is used to test ProcFile. ProcFile starts reading words5, line by line.

The first word read is cat. This is stored in w3[0].

The next word read is intolerable. This is not stored.

The next word read is dog. This is stored in w3[1].

The next word read is curd. This is stored in w4[0]. Finally, daft is read and stored in w4[1].

The contents of w3[] are written to the file shorts3. The contents of w4[] are written to the file shorts4.

Explanation / Answer

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Scanner;



public class String3or4Test {

   public static void main(String[] theArgs) {
       System.out.println("Enter file name: ");
      
       Scanner sc = new Scanner(System.in);
       String inFileName = sc.nextLine();
       try {
           Scanner input = new Scanner(new File(inFileName));
           ArrayList<String> w3 = new ArrayList<String>();
           ArrayList<String> w4 = new ArrayList<String>();
           String word = "";
           while(input != null && input.hasNext()) {
               word = input.next();
               if(word != null) {
                   if(word.length() == 3)
                       w3.add(word);
                   if(word.length() == 4)
                       w4.add(word);
               }
           }
          
           String3or4Test.writeToFile("D:/ravi/Cheg/short3.txt", w3);
           String3or4Test.writeToFile("D:/ravi/Cheg/short4.txt", w4);
          
       } catch (FileNotFoundException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }
      
   }
  
   public static void writeToFile(String filename, ArrayList<String> data) throws FileNotFoundException {
       PrintStream output = new PrintStream(new File(filename));
      
       if(data != null) {
           for(String str: data)
               output.println(str);
       }
   }
}

--output--

D: aviCheg>java String3or4Test
Enter file name:
D:/ravi/Cheg/word3or4.txt

curd
daft
java
name
curd
daft
more
used
test
line

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