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InetAddess Ŭ·¡½º¸¦ »ç¿ëÇÏ¿© ·ÎÄà ȣ½ºÆ®¸í°ú IPÁÖ¼Ò, ƯÁ¤ µµ¸ÞÀÎÀÇ IPÁÖ¼Ò¸¦ ¾Ë¾Æ³» º¸ÀÚ. ¸ÕÀú InetAddress Ŭ·¡½º »Ó¸¸ ¾Æ´Ï¶ó ³×Æ®¿öÅ©¿¡ °ü·ÃµÈ Ŭ·¡½º¸¦ »ç¿ëÇÏ·Á¸é java.net ÆÐÅ°Áö¸¦ import ½ÃÄÑ¾ß µÈ´Ù. import java.net.*; ÀÚ¹Ù¿¡¼´Â À§ÀÇ ÇÑÁÙ·Î °ÅÀÇ ¸ðµç ³×Å©¿öÅ© ¸ðµâÀ» ¸¸µé ¼ö ÀÖ´Ù. Á¤¸» ½Å³ªÁö ¾ÊÀ» ¼ö ¾ø´Ù. InetAddress Ŭ·¡½º´Â º°µµÀÇ »ý¼ºÀÚ°¡ Á¸ÀçÇÏÁö ¾Ê´Â´Ù. µû¶ó¼ getByName()À̳ª getLocalHost()¸Þ¼Òµå¸¦ »ç¿ëÇÏ¿© InetAddress¿¡ ´ëÇÑ °´Ã¼¸¦ »ý¼ºÇÏ°í, ¿øÇϴ ȣ½ºÆ®ÀÇ ³×Æ®¿öÅ© °ü·Ã Á¤º¸¸¦ °¡Á®¿Â´Ù. InetAddress address = InetAddress.getByName(hostName); // or InetAddress address = InetAddress.getLocalHost(); À§¿¡¼ hostNameÀº string ÇüÅÂÀÇ ¹®ÀÚ¿ÀÌ¸é µÈ´Ù. ±×·Á¸é ÇØ´ç µµ¸ÞÀÎÀ̳ª IPÀÇ ³×Æ®¿öÅ© °ü·Ã Á¤º¸¸¦ °¡Á®¿Ã ¼ö ÀÖ´Ù. »ý¼ºµÈ °´Ã¼ addressÀ» »ç¿ëÇÏ¿© getHostName()°ú getHostAddress()¸Þ¼Òµå¸¦ »ç¿ëÇÏ¿© È£½º¸í°ú È£½ºÆ®ÀÇ IPÁÖ¼Ò¸¦ °¡Á®¿ÀÀÚ. InetAddress address1 = InetAddress.getByName(hostName); System.out.println("Host Name=" + address1.getHostName()); System.out.println("Host Address = " + address1.getHostAddress()); InetAddress address2 = InetAddress.getLocalHost(); System.out.println("Local Name = " + address2.getHostName()); System.out.println("Local Address = " + address2.getHostAddress()); ¸¶Áö¸·À¸·Î InetAddress¿Í °°ÀÌ ³×Å©¿öÅ©¿¡ °üÇÑ Å¬·¡½º¸¦ »ý¼ºÇÏ·Á¸é ¿¹¿Ü󸮸¦ ¹Ýµå½Ã ÇØÁÖ¾î¾ß ÇÑ´Ù. µû¶ó¼ main()ÇÔ¼ö¿¡ ¿¹¿Ü󸮸¦ ÇØ ÁÖ±â À§ÇØ throws¸¦ »ç¿ëÇÏ¿´´Ù. public static void main(String args[]) throws Exception À§¿¡¼ ¼³¸íµÈ ¸ðµç ºÎºÐÀÇ ¼Ò½º´Â ¾Æ·¡¿Í °°´Ù. import java.net.*; public class InetAddressEx2 { public static void main(String args[]) throws Exception { String hostName="yahoo.com"; InetAddress address1 = InetAddress.getByName(hostName); System.out.println("Host Name=" + address1.getHostName()); System.out.println("Host Address = " + address1.getHostAddress()); InetAddress address2 = InetAddress.getLocalHost(); System.out.println("Local Name = " + address2.getHostName()); System.out.println("Local Address = " + address2.getHostAddress()); } } |
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