mshatunov
10/19/2018 - 7:45 PM

Concurrency

synchronized(a); //lock on object a

- first aquire object a
- then release object a

synchronized - structured lock

wait + notify

lock + unlock - unstructured lock
there are specific readlock and writelock
t1 = new Thread(s1); //crte thread
t1.start; //start thread
t1.join(); //wait for t1