Thread methods of Object

Question 1

Causes the thread to wait indefinitly or until the timeout period specified for a thread to call notify() when calling this method. The thread must have the lock of the object specified by this method.

Answer 1

void wait()

Question 2

The JVM chooses a single thread that is waiting for the lock and wakes it up. The thread calling this method must have the lock for the object referenced by this method.

Answer 2

void notify()

Question 3

The JVM wakes up all threads waiting on the lock. The thread calling this method must have the lock for the object referenced by this method.

Answer 3

void notifyAll()