public class ThreadsSample {
    static int count = 15;
    static volatile int countCreatedThreads;

    public static void main(String[] args) {
        System.out.println(new GenerateThread());
    }

    public static class GenerateThread extends Thread {

    	public GenerateThread() {    		
    		super(String.valueOf(++countCreatedThreads));
    		start();
    	}
    	
    	public void run() {
    		while(count >= countCreatedThreads) {
    			GenerateThread t = new GenerateThread();
    			t.toString();
    		}
    	}
    	
		@Override
		public String toString() {
			String name = Thread.currentThread().getName();
			if (name.equals("main")) return "main";
			return name + " created";
		}
    }
}