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How to invoke the os's ping

 
Ranch Hand
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First I get the OS using properties.Then I want to invoke ping base on the OS I got.How to do it?
Some API?
 
Qunfeng Wang
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Yeah!
I've got it.It's Runtime!
Now another question.When I want to invoke telnet,not like the ping ,I can achive that like this Runtime.getRuntime().exec("cmd.exe /c start ping 192.168.1.1").For the telnet,first telnet,then input username, pwd.How to do this?I got the username pwd from my GUI.
 
Greenhorn
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you might try be getting the Process OutputStream and writing the username and password to the stream.
I am not sure whether it works or not.
 
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