JAvaプログラミング思想ノート-同時Synchronizedネスト呼び出し

package com.tij.thread.cancel;
// synchronized 
public class MultiLock {
    public synchronized void f1(int count){
        if(count-->0){
            System.out.println("f1() calling f2() with count "+count);
            f2(count);
        }
    }

    public synchronized void f2(int count){
        if (count-->0) {
            System.out.println("f2() calling f1() with count "+count);
            f1(count);
        }
    }

    public static void main(String[] args) {
        final MultiLock multiLock=new MultiLock();
        new Thread(){

            @Override
            public void run() {
                multiLock.f1(10);
            };
        }.start();
    }
}