How to know what values, flags, paramters are set to Java VM options by default

Solution Unverified - Updated -

Issue

  • How do I know what values/flags are set to Java VM options by default?
  • I would like to know the default value of the following options:

    -XX:PermSize
    -XX:MaxPermSize 
    -XX:NewRatio
    -XX:SurvivorRatio
    -XX:MaxTenuringThreshold
    

Environment

  • Java

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