多线程死锁

package test.thread.dielock;
/*
 * 线程死锁:锁嵌套锁
 * 在开如应避免锁嵌套锁
 */
public class DeadLock {
    private static String knife="刀";
    private static String fork="叉";
    
    public static void main(String[] args) {
        new Thread(new Runnable() {
            public void run() {
                //锁嵌套锁
                while(true) {
                    synchronized (knife) {//线程1先拿刀
                        System.out.println(Thread.currentThread().getName()+"已经拿到"+knife+"等待"+fork);
                        synchronized (fork) {//线程1再拿叉
                            System.out.println(Thread.currentThread().getName()+"拿到"+fork+"开吃！");
                        }
                    }    
                }
                
            }
        },"one").start();
        
        new Thread(new Runnable() {
            public void run() {
                //锁嵌套锁
                while(true) {
                    synchronized (fork) {//线程2先拿叉子
                        System.out.println(Thread.currentThread().getName()+"已经拿到"+fork+"等待"+knife);
                        synchronized (knife) {//线程2再拿刀
                            System.out.println(Thread.currentThread().getName()+"拿到"+knife+"开吃！");
                        }
                    }    
                }
                
            }
        },"tow").start();
        
        
        
    }

}