java synchronized加载加锁-线程可重入详解及实例代码

public class ReGetLock implements Runnable {

  @Override
  public void run() {
    get();
  }

  public synchronized void get() {
    System.out.println(Thread.currentThread().getId());
    set();
  }

  public synchronized void set() {
    System.out.println(Thread.currentThread().getId());
  }

  public static void main(String[] args) {
    ReGetLock rgl = new ReGetLock();
    new Thread(rgl).start();
  }

}