• Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Tim Cooke
  • Devaka Cooray
  • Ron McLeod
  • Jeanne Boyarsky
Sheriffs:
  • Liutauras Vilda
  • paul wheaton
  • Junilu Lacar
Saloon Keepers:
  • Tim Moores
  • Stephan van Hulst
  • Piet Souris
  • Carey Brown
  • Tim Holloway
Bartenders:
  • Martijn Verburg
  • Frits Walraven
  • Himai Minh

ExamLab Question on Thread

 
Ranch Hand
Posts: 30
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator


Output::
Yeee
java.lang.IllegalMonitorStateException
java.lang.IllegalMonitorStateException


When the first thread encounters the wait() method and if it sees that it is not synchronized on this shouldn't it throw java.lang.IllegalMonitorStateException and then yee java.lang.IllegalMonitorStateException
 
Sheriff
Posts: 9697
43
Android Google Web Toolkit Hibernate IntelliJ IDE Spring Java
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
I think the output you are giving is only one of the possible outputs. Is that given as the right answer in the question??
 
Ranch Hand
Posts: 537
Eclipse IDE Python Java
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Haven't you tried compiling and executing it??? i guess executing it will answer your question.
 
Ankit Garg
Sheriff
Posts: 9697
43
Android Google Web Toolkit Hibernate IntelliJ IDE Spring Java
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
In one out of 7 or 8 executions, I got the output as

java.lang.IllegalMonitorStateException
Yeee
java.lang.IllegalMonitorStateException

Just as you were saying. You just need to understand that either ta or tb can get CPU time to execute the run method after they wake from their sleep. So the output can be any of the two...
 
Who among you feels worthy enough to be my best friend? Test 1 is to read this tiny ad:
the value of filler advertising in 2021
https://coderanch.com/t/730886/filler-advertising
reply
    Bookmark Topic Watch Topic
  • New Topic