{"id":3359,"date":"2021-09-09T22:53:50","date_gmt":"2021-09-09T13:53:50","guid":{"rendered":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=3359"},"modified":"2021-09-10T13:55:04","modified_gmt":"2021-09-10T04:55:04","slug":"%ec%9d%bc%ea%b8%89-%ec%bb%ac%eb%a0%89%ec%85%98-first-class-collection","status":"publish","type":"post","link":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=3359","title":{"rendered":"\uc77c\uae09 \uceec\ub809\uc158 (First Class Collection)"},"content":{"rendered":"

\uc77c\uae09 \uceec\ub809\uc158 (First Class Collection)<\/h1>\n

\ucc38\uc870<\/a><\/p>\n

\uc815\uc758<\/h2>\n

Collection \uc744 Wrapping \ud55c \ud074\ub798\uc2a4\ub97c \ub9d0\ud569\ub2c8\ub2e4.
\nCollection \uc774\uc678 \ub2e4\ub978 \ub9f4\ubc84 \ubcc0\uc218\ub294 \uc5c6\uc5b4\uc57c \ud569\ub2c8\ub2e4.
\nCollection \uc744 \uc678\ubd80\uc5d0 \uc81c\uacf5\ud558\ub294 \ub9f4\ubc84 \ud568\uc218\ub3c4 \uc5c6\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

public class GameRanking {\n\n    private Map<String, String> ranks;\n\n    public GameRanking(Map<String, String> ranks) {\n        this.ranks = ranks;\n    }\n}<\/code><\/pre>\n
Collection \uc744 Wrapping \ud55c \ud074\ub798\uc2a4\uac00 \uc65c \uc88b\uc744\uae4c?<\/p>\n
\uc7a5\uc810<\/h2>\n
\ube44\uc9c0\ub2c8\uc2a4 \ud2b9\ud654 \uc790\ub8cc\uad6c\uc870<\/h3>\n
List<Long> lottoNumbers<\/code> \ub77c\ub294 \ub85c\ub610 \ubc88\ud638\ub97c \uc800\uc7a5\ud55c \uceec\ub799\uc158\uc774 \uc788\ub2e4\uace0 \uac00\uc815\ud558\uc790.<\/p>\n
List<\/code> \ub294 \ub2e8\uc21c\ud55c \uceec\ub799\uc158\uc774\uae30\uc5d0, \ub85c\ub610 \ubc88\ud638\uc758 \ud2b9\uc131(6\uac1c\uc758 \ubc88\ud638\ub9cc \uc874\uc7ac, \uc911\ubcf5 \uc22b\uc790\uac00 \uc5c6\uc74c)\uc744 \ubcf4\uc7a5\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n
public class LottoTicket {\n\n    private List<Long> lottoNumbers;\n\n    public LottoTicket(List<Long> lottoNumbers) {\n        validateSize(lottoNumbers);\n        validateDupilcate(lottoNumbers);\n        this.lottoNumbers = lottoNumbers;\n    }\n}<\/code><\/pre>\n
\uc704\uc640 \uac19\uc774 \uc77c\uae09 \uceec\ub809\uc158<\/code> \uc73c\ub85c \ub9cc\ub4e4\uac8c \ub418\uba74, \ub85c\ub610 \ubc88\ud638\uc758 \ud2b9\uc131\uc744 \ubc18\ubcf5 \uac80\uc99d\ud560 \ud544\uc694\uc5c6\uc774 \uc0ac\uc6a9\ud560 \uc218 \uc788\uac8c \ub41c\ub2e4.<\/p>\n
\ubd88\ubcc0 \ub370\uc774\ud0c0<\/h3>\n
\uc77c\uae09 \uceec\ub809\uc158<\/code> \uc740 \ub0b4\ubd80 \ub370\uc774\ud0c0\ub97c \ubcc0\uacbd\ud560 \uc218 \uc788\ub294 \uba54\uc18c\ub4dc\ub97c \uc81c\uacf5\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c,
\n\ubd88\ubcc0 \ub370\uc774\ud0c0\uac00 \ub429\ub2c8\ub2e4.<\/p>\n
\uc0c1\ud0dc\uc640 \ud589\uc704\ub97c \ud55c\uacf3\uc5d0\uc11c \uad00\ub9ac<\/h3>\n
\ub0b4\ubd80 \ub370\uc774\ud0c0\ub97c \uc811\uadfc\ud560 \uc218 \uc788\ub294 \uc720\uc77c\ud55c \uc7a5\uc18c\uac00 \uc77c\uae09 \uceec\ub809\uc158<\/code> \ub0b4\ubd80 \ubfd0\uc774\ubbc0\ub85c,
\n\ub0b4\ubd80 \ub370\uc774\ud0c0\uc640 \uad00\ub828\ub41c \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc774 \ud074\ub798\uc2a4 \uc548\uc73c\ub85c \ubaa8\uc774\uac8c \ub429\ub2c8\ub2e4.<\/p>\n
\uc774\ub984\uc774 \uc788\ub294 \uceec\ub809\uc158<\/h3>\n
List<Long> lottoNumbers<\/code> \uc0c1\ud0dc\uc5d0\uc11c\ub294 \uc774 \uceec\ub799\uc158\uc774 \ub85c\ub610\ubc88\ud638\ub77c\ub294 \uad6c\ubd84\uc740 \ubcc0\uc218\uba85 \ubfd0\uc785\ub2c8\ub2e4.<\/p>\n
public class LottoTicket<\/code> \ud589\ud0dc\ub85c \uc77c\uae09 \uceec\ub799\uc158<\/code> \uc744 \ub9cc\ub4e4\uac8c \ub418\uba74,
\n\ud074\ub798\uc2a4 \ud0c0\uc785 \uc790\uccb4\uac00 LottoTicket<\/code> \uc774 \ub418\uace0,
\n\uba85\ud655\ud788 \uc774 \uceec\ub799\uc158\uc774 \ub85c\ub610\ubc88\ud638\uc784\uc744 \uc778\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
\uc77c\uae09 \uceec\ub809\uc158 (First Class Collection) \ucc38\uc870 \uc815\uc758 Collection \uc744 Wrapping \ud55c \ud074\ub798\uc2a4\ub97c \ub9d0\ud569\ub2c8\ub2e4. Collection \uc774\uc678 \ub2e4\ub978 \ub9f4\ubc84 \ubcc0\uc218\ub294 \uc5c6\uc5b4\uc57c \ud569\ub2c8\ub2e4. Collection \uc744 \uc678\ubd80\uc5d0 \uc81c\uacf5\ud558\ub294 \ub9f4\ubc84 \ud568\uc218\ub3c4 \uc5c6\uc5b4\uc57c \ud569\ub2c8\ub2e4. public class GameRanking { private Map<String, String> ranks; public GameRanking(Map<String, String> ranks) { this.ranks = ranks; } } Collection \uc744 Wrapping \ud55c \ud074\ub798\uc2a4\uac00 \uc65c \uc88b\uc744\uae4c? \uc7a5\uc810 \ube44\uc9c0\ub2c8\uc2a4\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-3359","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3359"}],"version-history":[{"count":6,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3359\/revisions"}],"predecessor-version":[{"id":3367,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/3359\/revisions\/3367"}],"wp:attachment":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}