AliceCount

AliceCount.java

// add import statements
import java.util.*;
import java.io.*; //imports the io library. Note: Importing java.* does NOT work

// create class AliceCount
public class AliceCount
{

 // create main method - remember to catch the exception
 public static void main(String[] args)
  throws FileNotFoundException //keeps the code compiling even if a FileNotFound exception appears
 {
 
  // instantiate Scanner object using text file
  Scanner in = new Scanner(new File("alice.txt")); //creates a scanner that scans the file alice.txt
  
  // instatiate PrintWriter with output file name
  PrintWriter output = new PrintWriter(new FileOutputStream("output.txt")); //creates printwriter objects to write to the files in parentheses
  PrintWriter ew = new PrintWriter(new FileOutputStream("e.txt"));
  PrintWriter aw = new PrintWriter(new FileOutputStream("a.txt"));
  PrintWriter tw = new PrintWriter(new FileOutputStream("t.txt"));
  PrintWriter ow = new PrintWriter(new FileOutputStream("o.txt"));
  PrintWriter iw = new PrintWriter(new FileOutputStream("i.txt"));
  
  
  // create variable to track the number of words in the text
  int wc = 0; //creates wc variable
  
  // create variable to track each of the letters
  int lc = 0; //initializes lc (total letter count), a, e, t, o, and i letter counters
  int a = 0;
  int e = 0;
  int t = 0;
  int o = 0;
  int i = 0;
  
  
  // loop through the file  
  while(in.hasNext()) //while there is a next line in the file called by the "in" object
  {
   String ln = in.next();
   wc++; //increment word count every time the loop is run
   
   if(ln.indexOf('a') > -1){ //if an a is present in the string ln
    a++; //increment the a counter
    aw.println(ln);} //and print the word ln to the file that aw can print to
   if(ln.indexOf('e') > -1){
    e++;
    ew.println(ln);}
   if(ln.indexOf('t') > -1){
    t++;
    tw.println(ln);}
   if(ln.indexOf('o') > -1){
    o++;
    ow.println(ln);}
   if(ln.indexOf('i') > -1){
    i++;
    iw.println(ln);}
  }

   

  // calculate the percentage of words containing the character
  
  double aav = ((double)a / (double)wc) * 100; //simple division (typecasts as double to make devision precise)
  aw.println(aav); //prints the percentage of 'a's compared to other letters
  aw.println(a); //prints the amount of 'a's in alice.txt to a.txt
  double eav = ((double)e / (double)wc) * 100;
  ew.println(eav + "%");
  ew.println(e);
  double tav = ((double)t / (double)wc) * 100;
  tw.println(tav + "%");
  tw.println(t);
  double oav = ((double)o / (double)wc) * 100;
  ow.println(oav + "%");
  ow.println(o);
  double iav = ((double)i / (double)wc) * 100;
  iw.println(iav + "%");
  iw.println(i);
  
  // close the files
  aw.close();
  ew.close();
  tw.close();
  ow.close();
  iw.close();
 }
}