{"id":994,"date":"2013-05-27T04:01:45","date_gmt":"2013-05-26T19:01:45","guid":{"rendered":"http:\/\/yucchi.jp\/blog\/?p=994"},"modified":"2013-05-27T04:01:45","modified_gmt":"2013-05-26T19:01:45","slug":"%e3%82%82%e3%81%a3%e3%81%a8-lambda-%e3%81%9d%e3%81%ae%ef%bc%91%ef%bc%90","status":"publish","type":"post","link":"http:\/\/yucchi.jp\/blog\/?p=994","title":{"rendered":"\u3082\u3063\u3068 Lambda \u305d\u306e\uff11\uff10"},"content":{"rendered":"

\u3082\u3063\u3068 Lambda \u30b7\u30ea\u30fc\u30ba\u3082\u4eca\u56de\u3067\uff11\uff10\u56de\u76ee\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u3068\u8a00\u3063\u3066\u3082\u5927\u3057\u305f\u5185\u5bb9\u3067\u306f\u306a\u3044\u306e\u3067\u6050\u7e2e\u3067\u3059\u3002<\/p>\n

\u79c1\u306e\u30e2\u30c3\u30c8\u30fc\u306f\u300c\u9580\u524d\u306e\u5c0f\u50e7\u7fd2\u308f\u306c\u7d4c\u3092\u8aad\u3080\u300d\u3067\u3059\u304b\u3089\u6c17\u306b\u305b\u305a\u30ac\u30f3\u30ac\u30f3\u3044\u3063\u3061\u3083\u3044\u307e\u3059\uff01<\/p>\n

\u4eca\u56de\u306f\u30b9\u30c8\u30ea\u30fc\u30e0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u91cd\u8907\u8981\u7d20\u3092\u6392\u9664\u3057\u3066\u65b0\u305f\u306b\u30b9\u30c8\u30ea\u30fc\u30e0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u308a\u76f4\u3059\u4fbf\u5229\u306a\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

\u3068\u3066\u3082\u7c21\u5358\u306a\u306e\u3067\u899a\u3048\u3066\u304a\u3044\u3066\u640d\u306f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u3067\u306f\u3001\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n

package jp.yucchi.trydistinct;\r\n\r\nimport static java.util.Arrays.stream;\r\n\r\npublic class TryDistinct {\r\n\r\n    public static void main(String[] args) {\r\n        String[] works = {\"HONDA\", \"HONDA\", \"TOYOTA\", \"TOYOTA\", \"TOYOTA\", \"NISSAN\", \"MAZUDA\"}; \r\n        stream(works).distinct().forEach(System.out::println);\r\n    }\r\n\r\n}<\/pre>\n
 <\/p>\n
distinct() \u30e1\u30bd\u30c3\u30c9\u304c\u91cd\u8907\u6392\u9664\u3057\u3066\u65b0\u305f\u306a\u30b9\u30c8\u30ea\u30fc\u30e0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3057\u3066\u304f\u308c\u308b\u3093\u3067\u3059\u306d\u3047\uff5e(^_^)<\/p>\n
\u305f\u3063\u305f\u3053\u308c\u3060\u3051\u3067\u3059\uff01<\/p>\n
distinct()<\/strong><\/span><\/p>\n
ava.\u200butil.\u200bstream.\u200bStream<\/p>\n
public Stream<T> distinct()<\/p>\n
Returns a stream consisting of the distinct elements (according to Object.equals(Object)) of this stream.<\/p>\n
This is a stateful intermediate operation.<\/p>\n
\u623b\u308a\u5024:
\nthe new stream<\/p>\n
 <\/p>\n
\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
HONDA
\nTOYOTA
\nNISSAN
\nMAZUDA<\/p>\n
 <\/p>\n
\u4fbf\u5229\u3060\u306d\u3002<\/p>\n
\u8abf\u5b50\u306b\u4e57\u3063\u3066\u4e8c\u3064\u306e\u30ea\u30b9\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7d50\u5408\u3057\u3066\u91cd\u8907\u8981\u7d20\u3092\u6392\u9664\u3057\u3066\u65b0\u305f\u306b\u30b9\u30c8\u30ea\u30fc\u30e0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u3064\u304f\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
package jp.yucchi.tryunion;\r\n\r\nimport static java.util.Arrays.asList;\r\nimport java.util.List;\r\nimport java.util.stream.Stream;\r\nimport static java.util.stream.Streams.concat;\r\n\r\npublic class TryUnion {\r\n\r\n    public static void main(String[] args) {\r\n        List idol_1 = asList(\"\u559c\u5c4b\u6b66\u3061\u3042\u304d\", \"\u6afb\u4e95\u91cc\u4f73\", \"\u8c37\u6fa4\u6075\u91cc\u9999\", \"\u5009\u6301\u660e\u65e5\u9999\",\"\u6238\u7530\u6075\u68a8\u9999\", \"\u65b0\u57a3\u7d50\u8863\");\r\n        List idol_2 = asList(\"\u5409\u9ad8\u7531\u91cc\u5b50\", \"\u5bae\u5d0e\u3042\u304a\u3044\", \"\u7be0\u7530\u9ebb\u91cc\u5b50\", \"\u6238\u7530\u6075\u68a8\u9999\", \"\u65b0\u57a3\u7d50\u8863\");\r\n        Stream allIdol = concat(idol_1.stream(), idol_2.stream());\r\n        allIdol.distinct().forEach(System.out::println);\r\n    }\r\n\r\n}<\/pre>\n
 <\/p>\n
\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u559c\u5c4b\u6b66\u3061\u3042\u304d
\n\u6afb\u4e95\u91cc\u4f73
\n\u8c37\u6fa4\u6075\u91cc\u9999
\n\u5009\u6301\u660e\u65e5\u9999
\n\u6238\u7530\u6075\u68a8\u9999
\n\u65b0\u57a3\u7d50\u8863
\n\u5409\u9ad8\u7531\u91cc\u5b50
\n\u5bae\u5d0e\u3042\u304a\u3044
\n\u7be0\u7530\u9ebb\u91cc\u5b50<\/p>\n
\u3061\u306a\u307f\u306b distinct() \u30e1\u30bd\u30c3\u30c9\u7121\u3057\u3060\u3068\u91cd\u8907\u8981\u7d20\u306f\u6392\u9664\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n
Java8 \u304c\u6b63\u5f0f\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u4f55\u3089\u304b\u306e\u7406\u7531\u306b\u3088\u3063\u3066 Java7 \u3092\u4f7f\u308f\u306a\u304f\u3066\u306f\u3044\u3051\u306a\u3044\u72b6\u6cc1\u304c\u3042\u308b\u3068\u3059\u308c\u3070\u305d\u308c\u306f\u6c17\u306e\u6bd2\u3068\u3057\u304b\u8a00\u3044\u3088\u3046\u304c\u306a\u3044\u3067\u3059\u306d\u3002<\/p>\n
Hatena \u30bf\u30b0: Java<\/a><\/div>\n
\n            
\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0<\/a><\/div>\n            
Facebook \u306b\u30b7\u30a7\u30a2<\/a><\/div>\n            
<\/g:plusone><\/div>\n            
Tweet<\/a><\/div>\n    <\/div>\n
\n","protected":false},"excerpt":{"rendered":"
\u3082\u3063\u3068 Lambda \u30b7\u30ea\u30fc\u30ba\u3082\u4eca\u56de\u3067\uff11\uff10\u56de\u76ee\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u3068\u8a00\u3063\u3066\u3082\u5927\u3057\u305f\u5185\u5bb9\u3067\u306f\u306a\u3044\u306e\u3067\u6050\u7e2e\u3067\u3059\u3002 \u79c1\u306e\u30e2\u30c3\u30c8\u30fc\u306f\u300c\u9580\u524d\u306e\u5c0f\u50e7\u7fd2\u308f\u306c\u7d4c\u3092\u8aad\u3080\u300d\u3067\u3059\u304b\u3089\u6c17\u306b\u305b\u305a\u30ac\u30f3\u30ac\u30f3\u3044\u3063\u3061\u3083\u3044\u307e\u3059\uff01 \u4eca\u56de\u306f\u30b9\u30c8\u30ea\u30fc\u30e0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u91cd\u8907\u8981\u7d20\u3092\u6392\u9664\u3057\u3066\u65b0\u305f\u306b\u30b9\u30c8\u30ea\u30fc\u30e0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u308a\u76f4\u3059\u4fbf\u5229\u306a\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u3068\u3066\u3082\u7c21\u5358\u306a\u306e\u3067\u899a\u3048\u3066\u304a\u3044\u3066\u640d\u306f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u3067\u306f\u3001\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 package jp.yucchi.trydistinct; import static java.util.Arrays.stream; public class TryDistinct { pu\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[17],"class_list":["post-994","post","type-post","status-publish","format-standard","hentry","category-java","tag-java"],"_links":{"self":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=994"}],"version-history":[{"count":12,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/994\/revisions"}],"predecessor-version":[{"id":1006,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/994\/revisions\/1006"}],"wp:attachment":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=994"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}