<\/p>\n
Enumeration \ud074\ub798\uc2a4\ub294 \uc9c1\uc811 \uc778\uc2a4\ud134\uc2a4\ub97c \uc0dd\uc131\ud560 \uc218 \uc5c6\uc9c0\uc694..<\/p>\n
\uadf8\ub798\uc11c Vector \ub77c\ub4e0\uac00 Hashtable\uc774\ub77c\ub4e0\uac00… \ud558\ub294 \uac1d\uccb4\ub4e4\uc758 elements \ub098 keys \ub4f1\uc758 \uba54\uc18c\ub4dc\ub97c \ud1b5\ud574\uc11c \ub9ac\ud134\ubc1b\uac8c \ub418\uc8e0..<\/p>\n
\uc2e4\uc81c Enumeration \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ud604\ud55c \uc778\uc2a4\ud134\uc2a4\ub294 \ubcf4\ud1b5 \ud574\ub2f9 \ud074\ub798\uc2a4\uc758 \uc11c\ube0c \ud074\ub798\uc2a4\ub85c \uad6c\ud604\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
Hashtable\uc744 \uc608\ub85c \ub4e4\uc790\uba74 \uc11c\ube0c \ud074\ub798\uc2a4\ub85c<\/p>\n
private class Enumerator implements Enumeration, Iterator {\r\n....\r\n}\r\n<\/pre>\n\uc694\ub7f0 \ub118\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc800 \uc11c\ube0c \ud074\ub798\uc2a4 \ub0b4\uc5d0 Enumeration \ud074\ub798\uc2a4\uc5d0 \uc815\uc758\ub418\uc5b4\uc788\ub294<\/p>\n
public boolean hasMoreElements();\r\npublic Object nextElement();\r\n<\/pre>\n\uc694 \ub450\uac00\uc9c0\uac00 \uad6c\ud604\ub418\uc5b4\uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
Enumeration\uc5d0\ub294 \ub450\uac00\uc9c0\ub9cc \uc788\uc9c0\ub9cc Iterrator \uc5d0\ub294 \uba87\uac00\uc9c0\uac00 \ub354 \uc788\uc5b4\uc11c…<\/p>\n
\uc2e4\uc81c\ub85c \uad6c\ud604\ub41c \uba54\uc18c\ub4dc\ub294 \uba87\uac00\uc9c0\uac00 \ub354 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc704\uc640 \uac19\uc774 \uad6c\ud604\ub41c \uba54\uc18c\ub4dc\ub97c \ud1b5\ud574\uc11c \ub9ac\ud134\ubc1b\uc740 Enumeration \uac1d\uccb4\uc5d0\uc11c \uc704\uc758 \ub450 \uba54\uc18c\ub4dc\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uac83\uc774\uc9c0\uc694..<\/p>\n
\uadf8\ub7fc.. \uc65c \uadf8\ub807\uac8c \ud574\uc57c\ud558\ub290\ub0d0…<\/p>\n
\ubc31\ud130\uc640 \ud574\uc2dc\ud14c\uc774\ube14 \ub4f1\ub4f1 Enumeration \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ud604\ud574\ub193\uc740 \ud074\ub798\uc2a4\ub4e4\uc740 \ub370\uc774\ud130\ub97c \uad00\ub9ac\ud558\ub294 \ub0b4\ubd80 \uc54c\uace0\ub9ac\uc998\uc774 \ub2e4\ub4e4 \ud2c0\ub9bd\ub2c8\ub2e4.<\/p>\n
\ud558\uc9c0\ub9cc \uc0ac\uc6a9\ud558\ub294 \uc785\uc7a5\uc5d0\uc11c\ub294 \ub0b4\ubd80 \uc54c\uace0\ub9ac\uc998\uc774\uc57c \uc5b4\ub5bb\ub4e0\uc9c0\uac04\uc5d0 \uaebc\ub0b4\uc11c \ubcf4\uace0 \uc2f6\uc740\uac70\ub9cc \ubcf4\uba74 \uadf8\ubfd0\uc778\uac70\uc8e0..<\/p>\n
\ud574\uc2dc\ud14c\uc774\ube14\uc5d0\uc11c \uc804\uccb4 \ud0a4\uac12\uc744 \uac00\uc838\uc624\ub294\uac70\ud558\uace0..<\/p>\n
\ubc31\ud130\uc5d0\uc11c \uc804\uccb4 \ub9ac\uc2a4\ud2b8\ub97c \uac00\uc838\uc624\ub294\uac70\ud558\uace0 \ud558\ub294 \uc77c\uc740 \ud2c0\ub9ac\uc9c0\ub9cc \uc5b4\uca0c\ub4e0 \ub9ac\uc2a4\ud2b8\ub97c \ub3cc\ub824\uc8fc\ub2c8\uae4c…<\/p>\n
\uc0ac\uc6a9\ud558\ub294 \uc0ac\ub78c\ub4e4 \ud3b8\ud558\uac8c \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud1b5\uc77c\ud574\uc8fc\ub294\uac81\ub2c8\ub2e4.<\/p>\n
\ucc38 \ud3b8\ub9ac\ud55c \uac1c\ub150\uc774\uc9c0\uc694..<\/p>\n
\uc4f0\ub294 \uc0ac\ub78c\uc740 \uadf8\ub0e5 \ub611\uac19\uc740 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc774\uc6a9\ud574\uc11c \ud544\uc694\ud55c \uc815\ubcf4\ub97c \ucde8\ud55c\ub2e4…<\/p>\n
\ub204\uac00 \uc5b4\ub5bb\uac8c \ub0b4\ubd80\ub97c \uad6c\ud604\ud588\ub294\uc9c0 \uad00\uc2ec\uac00\uc9c8 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n
\ud574\ub2f9 \ud074\ub798\uc2a4\uc5d0\uc11c Enumeration \ud074\ub798\uc2a4\uac00 \uad6c\ud604\ub418\uc5b4\uc788\uc73c\uba74 \uadf8\uac78 \uadf8\ub0e5 \uc4f0\uba74 \ub418\ub294\uac70\uc8e0.. ^^<\/p>\n
\ucc38\uace0\ub85c….<\/p>\n
api\uc5d0\uc11c\ub3c4… Enumeration \ubcf4\ub2e4\ub294 Iterator\ub97c \uc4f0\uae38 \uad8c\ud569\ub2c8\ub2e4.<\/p>\n
Iterator \uc5d0\ub294 hasNext(), next(), remove() \uc694\ub807\uac8c \uc138\uac1c\uc758 \uba54\uc18c\ub4dc\uac00 \uc815\uc758\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
Enumeration \ubcf4\ub2e4 \ud558\ub098 \ub354 \ucd94\uac00\ub418\uc5c8\uc8e0.. remove()…<\/p>\n
\uadf8\ub9ac\uace0~ \uba54\uc18c\ub4dc\uba85\ub3c4 \uac04\uacb0\ud574\uc838\uc11c \ud0c0\uc774\ud551\ub3c4 \uc904\uc5ec\uc90d\ub2c8\ub2e4. \u314b\u314b\u314b<\/p>\n
\uc544\ubb34\ud2bc Enumeration \ubcf4\ub2e4\ub294 Iterator\ub97c \uc4f0\uc2dc\uad6c\uc694…<\/p>\n
\uad6c\ud604\uc740 \ud574\ub2f9 \ud074\ub798\uc2a4 \ub0b4\ubd80\uc5d0\uc11c \ub2e4 \uad6c\ud604\ub418\uc5b4\uc788\uc73c\ub2c8 \uad73\uc774 \uc2e0\uacbd\uc4f0\uc9c0 \uc54a\uc73c\uc2dc\uace0 \uc0ac\uc6a9\ud558\uc2dc\uba74 \ub418\uaca0\uc2b5\ub2c8\ub2e4. ^^<\/p>\n
\uc800\ub3c4 util package\ub97c \ubc30\uc6b8\ub54c \uac19\uc740 \uace0\ubbfc\uc744 \ud55c \uc801\uc774 \uc788\uc5b4\uc11c \ub9ce\uc740 \uacf5\uac10\uc774 \uac11\ub2c8\ub2e4 ^^<\/p>\n
\ubd84\uba85\ud788 \uc778\ud130\ud398\uc774\uc2a4\uace0. \uad6c\ud604\ub41c \ud074\ub798\uc2a4\ub3c4 \uc5c6\ub294\ub370 \uc5b4\ub5bb\uac8c \uc800\ub807\uac8c \ub3cc\uc544\uac00\uc9c0..??<\/p>\n
source \ub97c \uae4c \ub4a4\uc9d1\ub2e4\ubcf4\uba74 \ud280\uc5b4\ub098\uc624\ub354\uad70\uc694.<\/p>\n
\uc5b4\ub5a4 \uba54\uc18c\ub4dc\ub97c \ud1b5\ud574 Enumeration \uc744 \ubc18\ud658\ud558\ub294 \ud074\ub798\uc2a4\uc758 \uacbd\uc6b0 \uac70\uc758<\/p>\n
\uc775\uba85\ud074\ub798\uc2a4\ub098 \ub0b4\ubd80 \ud074\ub798\uc2a4\ub85c Enumeration\uc744 \uad6c\ud604\ud55c \ud074\ub798\uc2a4\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
Hashtable\uc758 \uacbd\uc6b0\ub97c \ubcf4\uba74 \ub0b4\ubd80 \ud074\ub798\uc2a4\ub85c Enumerator \ub77c\ub294 \ud074\ub798\uc2a4\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc18c\uc2a4\ub294 \ubc11\uc5d0 \uc801\uc5b4\ub193\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n
\uac01 \ud074\ub798\uc2a4\ub4e4\ub9c8\ub2e4 \uc790\ub8cc \uad6c\uc870 \ubaa8\uc591\uc740 \ub2e4\ub978\ub370 \ub611\uac19\uc740 \ubc29\uc2dd\uc73c\ub85c \uc548\uc758 \ub0b4\uc6a9\ub4e4\uc744 \ubcf4\uace0 \uc2f6\ub2e4… \uadf8\ub7f4\ub54c \uc774\ub807\uac8c \uac01 \uc790\ub8cc\uad6c\uc870\ub9c8\ub2e4 \uc54c\ub9de\uac8c \uad6c\ud604\ub41c Enumeration \uc744 \uc811\uadfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
private class Enumerator implements Enumeration, Iterator {\r\n Entry[] table = Hashtable.this.table;\r\n int index = table.length;\r\n Entry entry = null;\r\n Entry lastReturned = null;\r\n int type;\r\n \/**\r\n * Indicates whether this Enumerator is serving as an Iterator\r\n * or an Enumeration. (true -> Iterator).\r\n *\/\r\n boolean iterator;\r\n \/**\r\n * The modCount value that the iterator believes that the backing\r\n * List should have. If this expectation is violated, the iterator\r\n * has detected concurrent modification.\r\n *\/\r\n protected int expectedModCount = modCount;\r\n Enumerator(int type, boolean iterator) {\r\n this.type = type;\r\n this.iterator = iterator;\r\n }\r\n public boolean hasMoreElements() {\r\n Entry e = entry;\r\n int i = index;\r\n Entry t[] = table;\r\n \/* Use locals for faster loop iteration *\/\r\n while (e == null && i > 0) {\r\n e = t[--i];\r\n }\r\n entry = e;\r\n index = i;\r\n return e != null;\r\n }\r\n public Object nextElement() {\r\n Entry et = entry;\r\n int i = index;\r\n Entry t[] = table;\r\n \/* Use locals for faster loop iteration *\/\r\n while (et == null && i > 0) {\r\n et = t[--i];\r\n }\r\n entry = et;\r\n index = i;\r\n if (et != null) {\r\n Entry e = lastReturned = entry;\r\n entry = e.next;\r\n return type == KEYS ? e.key : (type == VALUES ? e.value : e);\r\n }\r\n throw new NoSuchElementException(\"Hashtable Enumerator\");\r\n }\r\n \/\/ Iterator methods\r\n public boolean hasNext() {\r\n return hasMoreElements();\r\n }\r\n public Object next() {\r\n if (modCount != expectedModCount)\r\n throw new ConcurrentModificationException();\r\n return nextElement();\r\n }\r\n public void remove() {\r\n if (!iterator)\r\n throw new UnsupportedOperationException();\r\n if (lastReturned == null)\r\n throw new IllegalStateException(\"Hashtable Enumerator\");\r\n if (modCount != expectedModCount)\r\n throw new ConcurrentModificationException();\r\n synchronized(Hashtable.this) {\r\n Entry[] tab = Hashtable.this.table;\r\n int index = (lastReturned.hash & 0x7FFFFFFF) % tab.length;\r\n for (Entry e = tab[index], prev = null; e != null;\r\n prev = e, e = e.next) {\r\n if (e == lastReturned) {\r\n modCount++;\r\n expectedModCount++;\r\n if (prev == null)\r\n tab[index] = e.next;\r\n else\r\n prev.next = e.next;\r\n count--;\r\n lastReturned = null;\r\n return;\r\n }\r\n }\r\n throw new ConcurrentModificationException();\r\n }\r\n }\r\n}\r\n<\/pre>\n <\/p>\n","protected":false},"excerpt":{"rendered":"