4. Internet Address
인터넷 주소
InetAddress 클래스
@Test void InetAddress_test() throws UnknownHostException { InetAddress res1 = InetAddress.getByName("<https://www.jungsuri.site>"); InetAddress res2 = InetAddress.getByName("43.202.139.42"); log.info("InetAddress1 : " + res1); log.info("InetAddress2 : " + res2.getHostName()); } //InetAddress1 : <https://www.jungsuri.site/43.202.139.42> //InetAddress2 : ec2-43-202-139-42.ap-northeast-2.compute.amazonaws.comInetAddress res3 = InetAddress.getLocalHost(); log.info("InetAddress3 : " + res3); //InetAddress3 : MacBook-Pro.local/127.0.0.1InetAddress[] res4 = InetAddress.getAllByName("www.naver.com"); for (int i = 0; i < res4.length; i++) { log.info("InetAddress4 : " + res4[i]); } //InetAddress4 : www.naver.com/223.130.195.95 //InetAddress4 : www.naver.com/223.130.200.104
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