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host name 얻기 본문
import java.net.InetAddress; import java.net.UnknownHostException; class GetHostName { public static void main(final String[] args) { // http://www.devx.com/tips/Tip/13284: try { java.net.InetAddress localMachine = java.net.InetAddress.getLocalHost(); System.out.println("Hostname of local machine: " + localMachine.getHostName()); } catch (java.net.UnknownHostException uhe) { // [beware typo in code sample -dmw] // handle exception } // http://javaalmanac.com/egs/java.net/GetHostname.html: try { // Get hostname by textual representation of IP address InetAddress addr = InetAddress.getByName("127.0.0.1"); // [127.0.0.1 is always localhost -dmw]/ // Get hostname by a byte array containing the IP address byte[] ipAddr = new byte[]{127, 0, 0, 1}; addr = InetAddress.getByAddress(ipAddr); // Get the host name from the address String hostname = addr.getHostName(); // Get canonical host name String hostnameCanonical = addr.getCanonicalHostName(); } catch (UnknownHostException e) { // handle exception } } }
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