How to get the IP address of the machine using Java?

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I want to know the IP address of the machine I am working on. How can I get Ip address using Java?
Jun 25, 2018 in Java by Daisy
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1 answer to this question.

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  • One approach is to use NetworkInterface.getNetworkInterfaces() to get all of the known network interfaces on the host, and then iterate over each NI's addresses.
  • Another approach is to (somehow) get the externally advertized FQDN for the host, and use InetAddress.getByName() to look up the primary IP address. (But how do you get it, and how do you deal with a DNS-based load balancer?)
answered Jun 25, 2018 by sharth
• 3,320 points

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