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import java.net.*;
import java.io.*;

public class Foo{
public static void main (String[] args){
try {

I'm wanting to remove the last digits of an IP after the final period, i.e.

192.168.1.2

would be made to: 192.168.1
similarly 192.168.1.22 would be: 192.168.1

I'm getting the IP using the...