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package collatz;

import java.util.Scanner;

/**
 *
 * @author Teodoras Antanas Stefanovicius KM1
 */

class ThreadCollatz extends Thread {
    private Thread t;
    public int a, b;
    public long[] list;

    ThreadCollatz(int x, int y, long[] listC){
        a = x;
        b = y;
        list = listC;
    }

    public void run(){
        try{
            CollatzMethod collatzmethod = new CollatzMethod();
            collatzmethod.findSequence(a,b,list);
        }catch(Exception e){
            System.out.println("Thread interrupted.");
        }
    }

    public void start(){
        System.out.println("Thread Started");
        if (t == null){
            t = new Thread();
            t.start();
        }
    }
}

public class Collatz{

    public static void main(String[] args) {

        /*Input*/
        Scanner keyboard = new Scanner(System.in);
        System.out.print("Enter two integer numbers:\n");
        int a = keyboard.nextInt();
        int b = keyboard.nextInt();
        long[] list = new long[10000];
        System.out.print("Array: ");

        /*Method*/
        long startTime = System.currentTimeMillis();

        ThreadCollatz T1 = new ThreadCollatz(a,b,list);
        T1.start();

        /*Collatz T2 = new Collatz(a,b,list);
        T2.start();*/

        //collatzmethod.findSequence(a,b,list);

        long endTime = System.currentTimeMillis();

        /*Output*/

        System.out.println("That took " + (endTime - startTime) + " milliseconds");


    }

}