JAVA chapter18. IO 기반 입출력 및 네트워킹. 


18.6 네트워크 기초

18.6.1 서버와 클라이언트




18.6.2 IP 주소와 포트(Port)


18.6.3 InetAddress로 IP 주소 얻기

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package sec06.exam01_inetaddress;
 
import java.net.InetAddress;
import java.net.UnknownHostException;
 
public class InetAddressExample {
    public static void main(String[] args) {
        try {
            InetAddress local = InetAddress.getLocalHost();
            System.out.println("내컴퓨터 IP주소: " + local.getHostAddress());
            
            InetAddress[] iaArr = InetAddress.getAllByName("www.naver.com");
            for(InetAddress remote : iaArr) {
                System.out.println("www.naver.com IP주소: " + remote.getHostAddress());
            }
        } catch(UnknownHostException e) {
            e.printStackTrace();
        }
    }
}
cs







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