Single instance

[anilkumar_vist]

How to make a java class to run single instance in the system

i.e
if the a program started execution then that same program should not run in same system before it is stoped

[JosAH]

How to make a java class to run single instance in the system

i.e
if the a program started execution then that same program should not run in same system before it is stoped

Open a socket on a certain port. Before doing so try to connect to that socket; if it succeeds there's another instance of your program running.

kind regards,

Jos

[anilkumar_vist]

thanks jos