{"id":1424,"date":"2014-02-10T10:53:52","date_gmt":"2014-02-10T01:53:52","guid":{"rendered":"http:\/\/yucchi.jp\/blog\/?p=1424"},"modified":"2014-02-10T10:53:52","modified_gmt":"2014-02-10T01:53:52","slug":"jdk8-%e3%81%ae-files-%e3%82%af%e3%83%a9%e3%82%b9%e3%82%92%e5%b0%91%e3%81%97%e3%81%a0%e3%81%91%e8%a7%a6%e3%81%a3%e3%81%a6%e3%81%bf%e3%82%8b%e3%80%82","status":"publish","type":"post","link":"http:\/\/yucchi.jp\/blog\/?p=1424","title":{"rendered":"JDK8 \u306e Files \u30af\u30e9\u30b9\u3092\u5c11\u3057\u3060\u3051\u89e6\u3063\u3066\u307f\u308b\u3002"},"content":{"rendered":"

\u4eca\u56de\u306f JDK8 \u3067\u65b0\u305f\u306b Files \u30af\u30e9\u30b9\u306b\u8ffd\u52a0\u3055\u308c\u305f\u4fbf\u5229\u306a\u6a5f\u80fd\u306b\u3064\u3044\u3066\u5c11\u3057\u3060\u3051\u89e6\u3063\u3066\u307f\u308b\u3002<\/p>\n

\u3068\u8a00\u3063\u3066\u3082\u5143\u30cd\u30bf\u306f\u6d77\u5916\u306e\u30b5\u30a4\u30c8\u306e\u3082\u306e\u3067\u82f1\u8a9e\u304c\u8aad\u3081\u306a\u3044\u79c1\u306f\u624b\u63a2\u308a\u3067\u89e6\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u65e9\u901f NetBeans \u3092\u4f7f\u3063\u3066\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u5275\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u69cb\u9020\u306f\u4e0b\u56f3\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\"1\"<\/a><\/p>\n

\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u307e\u3059\u3002<\/p>\n

\"2\"<\/a><\/p>\n

\u51fa\u529b\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u5b9f\u884c\u7d50\u679c\u304b\u3089\u89e3\u308b\u3088\u3046\u306b\u3061\u3083\u3093\u3068\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u53ca\u3073\u30d5\u30a1\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

public static Stream<\/a><Path<\/a>> list(Path<\/a> dir) throws IOException<\/a><\/p>\n

\u3053\u306e\u65b0\u3057\u304f\u8ffd\u52a0\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u304c\u4fbf\u5229\u3067\u3059\u306d\u3002<\/p>\n

\u3067\u306f\u3001\u6b21\u306b\u6307\u5b9a\u3057\u305f\u30d1\u30b9\u304b\u3089\u305f\u3069\u308c\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3068\u30d5\u30a1\u30a4\u30eb\u3092\u5168\u3066\u8868\u793a\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

\"3\"<\/a><\/p>\n

\u5168\u3066\u8868\u793a\u3055\u308c\u3066\u307e\u3059\u3002<\/p>\n

public static Stream<\/a><Path<\/a>> walk(Path<\/a> start, FileVisitOption<\/a>… options) throws IOException<\/a><\/p>\n

\u304c\u9811\u5f35\u3063\u3066\u304f\u308c\u307e\u3057\u305f\u3002(^_^)<\/p>\n

public static Path<\/a> walkFileTree(Path<\/a> start, FileVisitor<\/a><? super Path<\/a>> visitor) throws IOException<\/a><\/p>\n

\u3088\u308a\u6271\u3044\u3084\u3059\u3044\u3088\u3046\u306a\u6c17\u304c\u3057\u307e\u3059\u3002\uff08\u6c17\u304c\u3059\u308b\u3060\u3051\u304b\u3001 StreamAPI \u4f7f\u3063\u305f\u65b9\u304c\u3053\u308c\u304b\u3089\u306f\u697d\u304b\u3082\uff1f\uff09<\/p>\n

\u3055\u3066\u3001\u305d\u308c\u3067\u306f\u3055\u3089\u306b\u62e1\u5f35\u5b50\u304c java \u306e\u30d5\u30a1\u30a4\u30eb\u3060\u3051\u3092\u8868\u793a\u3055\u305b\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

\"4\"<\/a><\/p>\n

\u5358\u7d14\u306b filter \u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u306e\u6761\u4ef6\u306b\u6700\u5f8c\u306e\u6587\u5b57(\u62e1\u5f35\u5b50)\u304c .java \u306e\u3082\u306e\u3060\u3051\u3092\u52a0\u3048\u305f\u3060\u3051\u3067\u3059\u3002<\/p>\n

\u4fbf\u5229\u3067\u3059\u306d\uff01<\/p>\n

\u3064\u3044\u3067\u306b\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u8eab\u3092\u8868\u793a\u3055\u305b\u3066\u307f\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3082\uff01<\/p>\n

\"5\"<\/a><\/p>\n

\u30a4\u30f3\u30c7\u30f3\u30c8\u306a\u3069\u306e\u6574\u5f62\u51e6\u7406\u306f\u306a\u304f\u306a\u3063\u3066\u307e\u3059\u304c\u3061\u3083\u3093\u3068\u8868\u793a\u3055\u308c\u3066\u307e\u3059\u3002<\/p>\n

public static Stream<\/a><String<\/a>> lines(Path<\/a> path) throws IOException<\/a><\/p>\n

\u304c\u5168\u3066\u306e\u30e9\u30a4\u30f3\u3092\u8aad\u307f\u8fbc\u3093\u3067\u304f\u308c\u307e\u3059\u3002<\/p>\n

\u5b9f\u969b\u306b\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u306b\u306f\u3053\u306e\u3088\u3046\u306a\u3053\u3068\u306f\u305b\u305a\u306b BufferedReader.lines()<\/code><\/a> \u3092\u4f7f\u3046\u3060\u308d\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u3044\u305a\u308c\u306b\u3057\u308d JDK8 \u3067\u83ef\u3005\u3057\u304f\u30c7\u30d3\u30e5\u30fc\u3059\u308b StreamAPI \u306f\u5f37\u529b\u3060\u3068\u3044\u3046\u3053\u3068\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":"

\u4eca\u56de\u306f JDK8 \u3067\u65b0\u305f\u306b Files \u30af\u30e9\u30b9\u306b\u8ffd\u52a0\u3055\u308c\u305f\u4fbf\u5229\u306a\u6a5f\u80fd\u306b\u3064\u3044\u3066\u5c11\u3057\u3060\u3051\u89e6\u3063\u3066\u307f\u308b\u3002 \u3068\u8a00\u3063\u3066\u3082\u5143\u30cd\u30bf\u306f\u6d77\u5916\u306e\u30b5\u30a4\u30c8\u306e\u3082\u306e\u3067\u82f1\u8a9e\u304c\u8aad\u3081\u306a\u3044\u79c1\u306f\u624b\u63a2\u308a\u3067\u89e6\u3063\u3066\u3044\u307e\u3059\u3002 \u65e9\u901f NetBeans \u3092\u4f7f\u3063\u3066\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u5275\u3063\u3066\u307f\u307e\u3057\u305f\u3002 \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u69cb\u9020\u306f\u4e0b\u56f3\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 \u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u307e\u3059\u3002 \u51fa\u529b\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u5b9f\u884c\u7d50\u679c\u304b\u3089\u89e3\u308b\u3088\u3046\u306b\u3061\u3083\u3093\u3068\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u53ca\u3073\u30d5\u30a1\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002 public static Stream<Path> list(Path dir) throws IOException \u3053\u306e\u65b0\u3057\u304f\u8ffd\u52a0\u3055\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-1424","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\/1424","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=1424"}],"version-history":[{"count":0,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1424\/revisions"}],"wp:attachment":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1424"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}