System.exit(0)

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  • gaya3
    New Member
    • Aug 2007
    • 184
    #1

    System.exit(0)

    Hi,
    "System.exit(0) "-->It means that it terminates the currently running Java Virtual Machine with "0" as status. what does that "status" refers to?
    Even its working for System.exit(2) or for any status value.. could anyone clear that? Thanks in advance

    -Thanks & Regards,
    Hamsa
    Tags: None
    • r035198x
      MVP
      • Sep 2006
      • 13225
      #2
      Originally posted by gaya3
      Hi,
      "System.exit(0) "-->It means that it terminates the currently running Java Virtual Machine with "0" as status. what does that "status" refers to?
      Even its working for System.exit(2) or for any status value.. could anyone clear that? Thanks in advance

      -Thanks & Regards,
      Hamsa
      The API Specs are your friend.

        Comment

        • gaya3
          New Member
          • Aug 2007
          • 184
          #3
          Originally posted by r035198x
          The API Specs are your friend.

          Thank u.. yes.. Its mentioned as "status".I would like to know "status of what"

          -Thanks & Regards,
          Hamsa

            Comment

            • r035198x
              MVP
              • Sep 2006
              • 13225
              #4
              Originally posted by gaya3
              Thank u.. yes.. Its mentioned as "status".I would like to know "status of what"

              -Thanks & Regards,
              Hamsa
              The entry also tells you to see the entry for Runtime.exit which is called by System.exit ...

                Comment

                • JosAH
                  Recognized Expert MVP
                  • Mar 2007
                  • 11453
                  #5
                  Originally posted by gaya3
                  Hi,
                  "System.exit(0) "-->It means that it terminates the currently running Java Virtual Machine with "0" as status. what does that "status" refers to?
                  Even its working for System.exit(2) or for any status value.. could anyone clear that? Thanks in advance

                  -Thanks & Regards,
                  Hamsa
                  It is the return value from the entire process. You can test it using "errorlevel "
                  on a Windows box or using "status" on a Unix box. Traditionally 0 means a
                  successful exit and any other value should indicate a failure of some sort.
                  Standard C only allows for the values 0 and 1 for a success or failure across
                  different platforms. Most Windows people seem to ignore this capability by
                  not returning anything at all from their "main()" method and even making it
                  a void function (in C or C++). If the main() function in Java doesn't explicity
                  uses the exit() method 0 is assumed, i.e. a successful termination of the process.

                  kind regards,

                  Jos

                    Comment

                    • gaya3
                      New Member
                      • Aug 2007
                      • 184
                      #6
                      Originally posted by JosAH
                      It is the return value from the entire process. You can test it using "errorlevel "
                      on a Windows box or using "status" on a Unix box. Traditionally 0 means a
                      successful exit and any other value should indicate a failure of some sort.
                      Standard C only allows for the values 0 and 1 for a success or failure across
                      different platforms. Most Windows people seem to ignore this capability by
                      not returning anything at all from their "main()" method and even making it
                      a void function (in C or C++). If the main() function in Java doesn't explicity
                      uses the exit() method 0 is assumed, i.e. a successful termination of the process.

                      kind regards,

                      Jos

                      Thanks Jos!

                      -Thanks & Regards,
                      Hamsa

                        Comment

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