Condition Objects

• Calling await
  • Makes current thread wait
  • Allows another thread to acquire the lock object
• To unblock, another thread must execute signalAll on the same condition object

  sufficientFundsCondition.signalAll();

• signalAll unblocks all threads waiting on the condition
• signal: randomly picks just one thread waiting on the object and unblocks it
• signal can be more efficient, but you need to know that every waiting thread can proceed
• Recommendation: always call signalAll