Java(Network)_01

2024-11-12

 

내 컴퓨터 이름 >>> 
내 컴퓨터 IP >>> 
oracle IP 주소 >>> www.oracle.com/23.40.45.201
google IP 주소 >>> www.google.com/142.250.207.36
www.naver.com IP 주소 >>> 223.130.200.219
www.naver.com IP 주소 >>> 223.130.192.247
www.naver.com IP 주소 >>> 223.130.192.248
www.naver.com IP 주소 >>> 223.130.200.236

 

package basic;

import java.net.InetAddress;
import java.net.UnknownHostException;

public class Network_01 {

	public static void main(String[] args) throws UnknownHostException {
		
		InetAddress addr =  InetAddress.getLocalHost();
		
		System.out.println("내 컴퓨터 이름 >>> " + addr.getHostName());
		
		System.out.println("내 컴퓨터 IP >>> " + addr.getHostAddress());
		
		addr = InetAddress.getByName("www.oracle.com");
	
		System.out.println("oracle IP 주소 >>> " + addr);
		
		addr = InetAddress.getByName("www.google.com");
		
		System.out.println("google IP 주소 >>> " + addr);
		
		//  여러 개의 IP 주소 받기
		InetAddress[] ipAll = InetAddress.getAllByName("www.naver.com");
		
		for (int i = 0; i < ipAll.length; i++) {
			System.out.println("www.naver.com IP 주소 >>> " + ipAll[i].getHostAddress());
		}
	}
}