package testSynchorized;
public class SynchronizedDeadLockTest {
static Object src1 = new Object();
static Object src2 = new Object();
public static void main(String[] args) {
Thread t1 = new Thread(new DeadARunnable(), "t1");
Thread t2 = new Thread(new DeadBRunnable(), "t2");
t1.start();
t2.start();
}
}
class DeadARunnable implements Runnable {
@Override
public void run() {
synchronized (SynchronizedDeadLockTest.src1) {
try {
System.out.println(Thread.currentThread().getName() + " get src1 ing!");
Thread.sleep(500);
System.out.println(Thread.currentThread().getName() + " after sleep 500ms!");
} catch (Exception e) {
e.printStackTrace();
}
System.out.println(Thread.currentThread().getName() + " need src2 and waiting!");
/**
* Thread t2 try get source src2 when locked source src1
*/
synchronized (SynchronizedDeadLockTest.src2) {
System.out.println(Thread.currentThread().getName() + " get src2 ing!");
}
}
}
}
class DeadBRunnable implements Runnable {
@Override
public void run() {
synchronized (SynchronizedDeadLockTest.src2) {
try {
System.out.println(Thread.currentThread().getName() + " get src2 ing!");
Thread.sleep(500);
System.out.println(Thread.currentThread().getName() + " after sleep 500ms!");
} catch (Exception e) {
e.printStackTrace();
}
System.out.println(Thread.currentThread().getName() + " need src1 and waiting!");
/**
* Thread t1 try get source src1 when locked source src2
*/
synchronized (SynchronizedDeadLockTest.src1) {
System.out.println(Thread.currentThread().getName() + " get src1 ing!");
}
}
}
}