import sun.awt.windows.ThemeReader;

/**
 * Created by Keben on 2018-10-22.
 */
public class Test {


    public static void main(String[] args) {
        StringBuilder ssb = new StringBuilder("123");
        String ss = "";
        boolean s = false;
        Thread writeThread = new WriteThread(s,"writeThread",ss,ssb);
        Thread readThread = new ReadThread(s,"readThread",ss,ssb);
        readThread.start();
        writeThread.start();



        try {
            writeThread.join();
            readThread.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}
class WriteThread extends Thread{
    public boolean count;
    public String name;
    public String ss;
    public StringBuilder ssb;
    public WriteThread(boolean count,String name,String ss,StringBuilder ssb){
        this.count = count;
        this.name = name;
        this.ss = ss;
        this.ssb = ssb;
    }


    @Override
    public void run(){

//        for (int i = 0 ; i < 200  ; i++ ){
//            count = true;
////            ss = ss+"00";
//            ssb.append(0);
//            System.out.println(name+":"+ssb);
//            try {
//                Thread.sleep(1000);
//            } catch (InterruptedException e) {
//                e.printStackTrace();
//            }
//        }

        /****************************************************************/

        while (true){
            ssb.append(0);
            System.out.println(name+":"+ssb);
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }

    }

}

class ReadThread extends Thread{
    public boolean count;
    public String ss;
    public String name;
    public StringBuilder ssb;
    public ReadThread(boolean count,String name,String ss,StringBuilder ssb){
        this.count = count;
        this.name = name;
        this.ss = ss;
        this.ssb = ssb;
    }


    @Override
    public void run(){
//        for (int i = 0 ; i < 200  ; i++ ){
//
//            System.out.println(name+":"+ssb);
//            try {
//                Thread.sleep(1000);
//            } catch (InterruptedException e) {
//                e.printStackTrace();
//            }
//        }
        /****************************************************************/
        while(ssb.toString().equals("123")){
            System.out.println(name+":"+ssb);
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}