线程的死锁
public class DeadLockTest {
public static void main(String args[])
{
Ytest y = new Ytest(true);
Ytest x = new Ytest(false );
Thread t = new Thread(y);
Thread t1 = new Thread(x);
t.start();
t1.start();
}
}
class Ytest implements Runnable
{
private boolean flag;
Ytest(boolean flag)
{
this.flag = flag;
}
public void run()
{
if(flag)
{
while(true)
synchronized(Mylock.locka)
{
System.out.println(Thread.currentThread().getName()+"if.....locka");
synchronized(Mylock.lockb)
{
System.out.println(Thread.currentThread().getName()+"if.....lockb");
}
}
}
else
{
while(true)
synchronized(Mylock.lockb)
{
System.out.println(Thread.currentThread().getName()+"else....lockb");
synchronized(Mylock.locka)
{
System.out.println(Thread.currentThread().getName()+"else...locka");
}
}
}
}
}
class Mylock{
public static final Object locka = new Object();
public static final Object lockb = new Object();
}
