What does “blocked Count” and “Waited Count” in a Java Thread mean?

Question

I use JConsole to watch a thread, it shows

name： Thread-6
state：BLOCKED  sun.misc.Launcher$AppClassLoader@19821f ，owner： Thread-3
blocked Count：199,645  Wai         


        

Answer 1

The total number of times that the thread blocked to enter or reenter a monitor.