多线程死锁有关问题

class test implements Runnable{    private boolean flag;    public test(boolean flag){        this.flag=flag;    }    public void run(){        if(flag){            synchronized (Mylock.locka) {                System.out.println("if locka");                synchronized (Mylock.lockb) {                    System.out.println("if lockb");                                                        }                            }        }else{            synchronized (Mylock.lockb) {                System.out.println("else lockb");                synchronized (Mylock.locka) {                    System.out.println("else locka");                                    }                            }        }    }}class Mylock{ static Object locka=new Object(); static Object lockb=new Object();} public class DeadLockTest{    public static void main(){        Thread t1=new Thread(new test(true));        Thread t2=new Thread(new test(false));        t1.start();        t2.start();    }}