<\/p>\n
HashTable & HashMap<\/p>\n
HashTable<\/p>\n
HashTable\uc740 \ud0a4\ub098 \uac12\uc5d0 Null\uc744 \ud5c8\uc6a9\ud558\uc9c0 \uc54a\ub294\ub2e4<\/p>\n
\ub610\ud55c Object\uc5d0 \uc815\uc758\ub41c hashCode()\uc640 equals() \ub9e4\uc11c\ub4dc\ub97c \uc7ac\uc758\ud558\ub294 \uac1d\uccb4\ub4e4\ub9cc \uc800\uc7a5\ud560 \uc218 \uc788\ub2e4<\/p>\n
\ub2e4\ud589\ud788\ub3c4 \uc790\ubc14 \ub0b4\uc7a5 \ud074\ub798\uc2a4\ub4e4\uc740 \ub300\ubd80\ubd84 hashCode()\uac00 \uad6c\ud604\ub418\uc5b4\uc788\ub2e4\ub294 \uac83\uc744 \uc54c\uace0 \uc788\uc744 \uac83\uc774\ub2e4<\/p>\n
\ud2b9\ud788 String\ud0c0\uc785\uc774 hashCode(), equals()\ub9e4\uc11c\ub4dc\uac00 \ub450\uac1c \ubaa8\ub450 \uad6c\ud604\ub418\uc5b4\uc788\ub2e4<\/p>\n
HashTable\uc740 Map \ud074\ub798\uc2a4\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \ubc18\ubcf5\uc790(interator)\ub97c \uc9c1\uc811 \uc81c\uacf5\ud558\uc9c0 \uc54a\ub294\ub2e4<\/p>\n
\ub2e4\uc74c \ub450\uac00\uc9c0 \ubc29\uc2dd\uc73c\ub85c HashTable\uc758 \ub0b4\uc6a9\uc744 \ucd9c\ub825\ud560\uc218\uc788\ub2e4<\/p>\n
HashTable hashTable= new HashTable();\r\nhashTable.put(\"XML\", \"tag\");\r\nhashTable.put(\"oracle\", \"sql\");\r\nEnumeration keys=hashTable.keys();\r\nwhile(keys.hasMoreElements()) {\r\n key=(String)keys.nextElement();\r\n System.out.println(hashTable.get(key));\r\n}\r\n<\/pre>\n\ub610\ub294<\/p>\n
Set set=hashTable.keySet();\r\nIterator keys=set.interator();\r\nwhile(keys.hasNext()){\r\n key=(String)keys.next();\r\n System.out.println(hashTable.get(key));\r\n}<\/pre>\nHashMap<\/p>\n
HashMap\uc740 \ud0a4\ub098 \uac12\uc5d0 Null\uc744 \ud5c8\uc6a9\ud55c\ub2e4<\/p>\n
HashMap \ucd9c\ub825\ubc29\ubc95\uc740 \ub2e4\uc74c\uc758 \ud55c\uac00\uc9c0 \ubc16\uc5d0 \uc5c6\ub2e4(Enumeration \uc9c0\uc6d0 \uc548\ud568)<\/p>\n
HashMap hashMap=new HashMap();\r\nhashMap.put(\"XML\", \"tag\");\r\nhashMap.put(\"oracle\", \"sql\");\r\nSet set=hashMap.entrySet();\r\nIterator keys=set.iterator();\r\nwhile(keys.hasNext()){\r\n key=(String)keys.next();\r\n System.out.println(hashMap.get(key));\r\n}\r\n<\/pre>\n\ub610\ud55c HashTable\uc740 thread safe**\uc758 \ud55c \uac1d\uccb4\uc774\uc9c0\ub9cc HashMap\uc740\uadf8\ub807\uc9c0 \ubabb\ud574 unsynchronized\ud558\ub2e4<\/p>\n
\uc774\ub9d0\uc740 \uc989 \uba40\ud2f0 \uc4f0\ub808\ub4dc \ud658\uacbd\uc774 \uc544\ub2c8\uba74 HashMap\uc744 \uc4f0\uba74 \uc18d\ub3c4\uac00 \ube60\ub974\ub2e4\ub294 \ub9d0\uc774\ub41c\ub2e4<\/p>\n
\uad73\uc774 \ub3d9\uae30\ud654 \ud558\uc790\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc0ac\uc6a9\ud574\uc57c\ud560\uac83\uc774\ub2e4<\/p>\n
Map m=Collections.synchronizedMap(new HashMap(...));<\/pre>\n\uac04\ub2e8\ud788 \uc815\ub9ac\ud558\uc790\uba74 HashMap\uc774 HashTable\uc5d0 \ube44\ud574 \uc880\ub354 \uc2e4\uc6a9\uc801\uc73c\ub85c \ubcc0\ud55c \ud615\ud0dc\ub77c\uace0 \ubcf4\uba74 \ub420\uac83\uc774\ub2e4<\/p>\n
\uc77c\ubc18\uc801\uc73c\ub85c \uc4f4\ub2e4\uba74 HashMap\uc744 \ucd94\ucc9c\ud558\ub294 \ubc14\uc774\ub2e4<\/p>\n
\ucd9c\ucc98 : http:\/\/cafe.naver.com\/inggi.cafe?iframe_url=\/ArticleRead.nhn%3Farticleid=48<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"