IO Stuff

Test.JAVA

import java.util.*;
import java.io.*;

public class Test {

    public static void main (String[] args){

        ArrayList<String> storage = new ArrayList<>();
        int counter = 0;
        HashSet<String> reverse = new HashSet<>();
        Scanner wordIn = null;
        PrintWriter wordOut = null;


        try{
            wordIn = new Scanner(new FileInputStream("input.txt"));
        }catch(FileNotFoundException e){
            System.err.println("Hey man! DAT FILE AINT HERE!");

        }

        while(wordIn.hasNextLine()){

            String temp = wordIn.nextLine();

            storage.add(temp);
            reverse.add(new StringBuilder(temp).reverse().toString());


        }


        try {
            wordOut = new PrintWriter(new FileOutputStream("output.txt"));

        }catch(FileNotFoundException e){
            System.err.println("Hey man! DAT FILE AINT HERE!");

        }




        System.out.println(storage);
        System.out.println("There are "+countChar(storage, 'e', 'E')+" iterations of the letter a");
        wordOut.println(reverse);
        wordOut.close();
        wordIn.close();


    }

    public static int countChar(ArrayList<String> list, char letterSmall, char letterBig){
        int counter = 0;

        Iterator<String> itr = list.iterator();
        while (itr.hasNext()){
            String temp = itr.next();
            for(int i = 0; i<temp.length(); i++){
                if (temp.charAt(i) == letterSmall || temp.charAt(i) == letterBig){
                    counter++;
                }
            }
        }
        return counter;
    }
}