java thread

java thread

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main extends Thread{
    int i = 100;
    public static void main(String[] args) throws Exception {
        Main main1 = new Main();
        Main main2 = new Main();
        main1.start();
        main2.start();
    }
    
    public void run() {
        add();
    }
    
    public synchronized void add(){
        for(;i < 110; i++){
            i++;
            System.out.println(getName() + ":" + i);
        }
    }
}