import java.util.*;
public class MainThread {

public static void main(String[] args) {
    // TODO Auto-generated method stub

    Scanner answer = new Scanner(System.in);

    System.out.println("Give me a single character: ");
    char h = answer.next().charAt(0);
    System.out.println("Give me another single character: ");
    char a = answer.next().charAt(0);


    MyThread t1 = new MyThread(h);
    MyThread t2 = new MyThread(a);

    t1.start(h);
    t2.start(a);


answer.close();
}

import java.util.*;
public class MyThread extends Thread{

Scanner answer = new Scanner(System.in);

public MyThread(char x) {
    // TODO Auto-generated constructor stub
}


public void Stored(char x){
    System.out.println("Type a single letter here: ");


}


//modified run method
public void start(char x){

    for(int i = 0; i < 1000; i++){
        System.out.print(x);
        try {
            Thread.sleep(1);
        } catch (InterruptedException e) {

            e.printStackTrace();
        }
        Thread.yield();
    }
}