TERM 2 Lesson 2

import java.io.*;
import static java.lang.System.*;

import java.util.Scanner;
import java.lang.Math;

import java.util.*;

class Main{


     public static void main (String str[]) throws IOException {

          ArrayList <String> a = new ArrayList<String>();



                    Scanner scan = new Scanner(System.in);

          int flag = 0;
          String temp = "error";
          System.out.println("Please enter words, enter STOP to stop the loop.");
          while (flag == 0)
          {
            temp = scan.nextLine();
            if (temp.equals("STOP"))
                {
                flag = 1;
                break;
                }
            a.add(temp);

          }

       for (String b : a)
       {
         if(b.indexOf('a') != -1)
           System.out.println(b);
       }
     }

}