{"id":4148,"date":"2019-03-01T19:18:04","date_gmt":"2019-03-01T10:18:04","guid":{"rendered":"https:\/\/www.wsmeguro.jp\/wp\/?p=4148"},"modified":"2025-01-13T17:18:01","modified_gmt":"2025-01-13T08:18:01","slug":"dart%e3%81%ae%e5%8b%89%e5%bc%b7%ef%bc%95%ef%bc%9aa-basic-dart-program","status":"publish","type":"post","link":"https:\/\/www.wsmeguro.jp\/wp\/?p=4148","title":{"rendered":"Dart\u306e\u52c9\u5f37\uff15\uff1aA basic Dart program"},"content":{"rendered":"<p>Udemy\u306eDart\u306f\u805e\u304d\u53d6\u308c\u306a\u3044\u306e\u3067\u3084\u3081\u307e\u3057\u305f\u3002<br \/>\n\u306a\u306e\u3067\u3001\u672c\u5bb6\u306e\u30b5\u30a4\u30c8\u306e<a href=\"https:\/\/www.dartlang.org\/guides\/language\/language-tour\" target=\"_blank\" rel=\"noopener noreferrer\">Language Tour<\/a>\u304b\u3089\u59cb\u3081\u3088\u3046\u304b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/www.wsmeguro.jp\/wp\/wp-content\/uploads\/2019\/03\/c2c7b8824c9231f14195ae81ec399c2e.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-4149\" src=\"https:\/\/www.wsmeguro.jp\/wp\/wp-content\/uploads\/2019\/03\/c2c7b8824c9231f14195ae81ec399c2e-1024x811.png\" alt=\"\" width=\"525\" height=\"416\" srcset=\"https:\/\/www.wsmeguro.jp\/wp\/wp-content\/uploads\/2019\/03\/c2c7b8824c9231f14195ae81ec399c2e-1024x811.png 1024w, https:\/\/www.wsmeguro.jp\/wp\/wp-content\/uploads\/2019\/03\/c2c7b8824c9231f14195ae81ec399c2e-300x238.png 300w, https:\/\/www.wsmeguro.jp\/wp\/wp-content\/uploads\/2019\/03\/c2c7b8824c9231f14195ae81ec399c2e-768x608.png 768w, https:\/\/www.wsmeguro.jp\/wp\/wp-content\/uploads\/2019\/03\/c2c7b8824c9231f14195ae81ec399c2e.png 1317w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/a><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><a href=\"https:\/\/www.dartlang.org\/guides\/language\/language-tour#comments\" target=\"_blank\" rel=\"noopener noreferrer\">\u30b3\u30e1\u30f3\u30c8<\/a>\uff1a\uff11\u884c\u306e\u307f\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3059\u308b\u3068\u304d\u306f\u30b9\u30e9\u30c3\u30b7\u30e5\uff12\u3064\u300c\/\/\u300d<\/li>\n<li><a href=\"https:\/\/api.dartlang.org\/stable\/2.2.0\/dart-core\/int-class.html\" target=\"_blank\" rel=\"noopener noreferrer\">int<\/a>\uff1a\u30d3\u30eb\u30c8\u30a4\u30f3\u3055\u308c\u3066\u3044\u308b\u30bf\u30a4\u30d7\u3067\u74b0\u5883\u306b\u3088\u3063\u3066\u30b5\u30a4\u30ba\u304c\u5909\u308f\u308b\u307f\u305f\u3044\u3067\u3059\u3002\u5fc5\u305a\u3057\u308264bit\u3067\u306f\u306a\u3044\u305d\u3046\u306a\u30fb\u30fb\u30fb<\/li>\n<li>aNumber\uff1a\u5909\u6570<\/li>\n<li>\u5909\u6570\u540d\u306b$\u3092\u6700\u521d\u306b\u3064\u3051\u308b\u3068\uff1a\u30b7\u30f3\u30b0\u30eb\u30af\u30aa\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u304f\u304f\u3089\u308c\u305f\u6587\u5b57\u306e\u4e2d\u306b\u6587\u5b57\u3068\u3057\u3066\u5165\u3063\u3066\u3057\u307e\u3046\u3002\u3061\u3087\u3063\u3068\u4e0d\u601d\u8b70\u3068\u3044\u3046\u304b\u4fbf\u5229\u3068\u3044\u3046\u304b<\/li>\n<li>main()\uff1a\u6700\u521d\u306b\u3053\u3061\u3089\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u306e\u3067\u3001\u3053\u308c\u304c\u306a\u3044\u3068\u52d5\u304d\u307e\u305b\u3093<\/li>\n<li>var\uff1a\u5909\u6570\u306e\u30bf\u30a4\u30d7\u3092\u7279\u5b9a\u3057\u306a\u3044\u3067\u5ba3\u8a00\u3059\u308b\u5834\u5408\u306f\u3053\u3061\u3089\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30bf\u30a4\u30d7\u306f\u52dd\u624b\u306b\u8003\u3048\u3066\u304f\u308c\u307e\u3059\u3002<\/li>\n<li>printInteger()\uff1a\u3053\u3053\u3067\u4f5c\u6210\u3055\u308c\u305f\u95a2\u6570\u3067main()\u304b\u3089\u5f15\u6570\u306b42\u3092\u5165\u308c\u3066\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>print()\uff1a\u7c21\u5358\u306b\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u8868\u793a\u3059\u308b\u65b9\u6cd5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<p>\u5927\u4e8b\u306a\u30b3\u30f3\u30bb\u30d7\u30c8<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>\u8a2d\u5b9a\u53ef\u80fd\u306a\u3059\u3079\u3066\u306e\u5909\u6570\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3001\u3059\u3079\u3066\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3059\u3002\u6570\u5b57\u3082\u95a2\u6570\u3082null\u3082\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002\u3059\u3079\u3066\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f<a href=\"https:\/\/api.dartlang.org\/stable\/2.2.0\/dart-core\/Object-class.html\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30af\u30e9\u30b9<\/a>\u3092\u5f15\u304d\u7d99\u3044\u3067\u3044\u307e\u3059\u3002<\/li>\n<li>dart\u306f\u5f37\u304f\u578b\u4ed8\u3051\u3055\u308c\u305f\u8a00\u8a9e\u3067\u3059\u304c\u3001\u578b\u306e\u540d\u524d\u3092\u4ed8\u3051\u3066\u5909\u6570\u3092\u5ba3\u8a00\u3057\u306a\u304f\u3066\u3082\u578b\u63a8\u8ad6\u3057\u3066\u3046\u307e\u304f\u3084\u3063\u3066\u304f\u308c\u308b\u306e\u3067\u5927\u4e08\u592b\u3067\u3059\u3002dynamic\u3068\u3044\u3046\u3082\u306e\u3042\u308b\u3051\u3069dart\u306f\u3046\u307e\u304f\u52d5\u304b\u306a\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u307f\u305f\u3044\u3002<\/li>\n<li>dart\u306f\u3001List&lt;int&gt;\u3082List&lt;dynamic&gt;\uff08\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u3044\u308d\u3093\u306a\u578b\u306eList\uff09\u3092\u30b5\u30dd\u30fc\u30c8<\/li>\n<li>dart\u306f\u6700\u4e0a\u5c64\u306e\u95a2\u6570\uff08main()\u307f\u305f\u3044\u306a\uff09\u3084\u30af\u30e9\u30b9\u3084\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u7d10\u3065\u3051\u3089\u308c\u305f\u95a2\u6570\u3092\u30b5\u30dd\u30fc\u30c8<\/li>\n<li>\u4f3c\u305f\u3088\u3046\u306b\u3001\u6700\u4e0a\u5c64\u306e\u5909\u6570\u3084\u30af\u30e9\u30b9\u3084\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u7d10\u3065\u3051\u3089\u308c\u305f\u5909\u6570\u3092\u30b5\u30dd\u30fc\u30c8<\/li>\n<li>Java\u3068\u7570\u306a\u308a\u3001dart\u306b\u306fpublic\u3001protected\u3084private\u306e\u3088\u3046\u306a\u30ad\u30fc\u30ef\u30fc\u30c9\u306f\u306a\u3044\u3002\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\uff08_\uff09\u3067\u59cb\u307e\u308b\u8b58\u5225\u5b50\uff08\u5909\u6570\u540d\uff1f\uff09\u304c\u3042\u308c\u3070\u3001\u305d\u308c\u306f\u305d\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u307f\uff08private\uff09\u306b\u3068\u306a\u308b\u3002\u8a73\u3057\u304f\u306f<a href=\"https:\/\/www.dartlang.org\/guides\/language\/language-tour#libraries-and-visibility\">\u3053\u3061\u3089<\/a><\/li>\n<li>\u8b58\u5225\u5b50\uff08\u5909\u6570\u540d\uff09\u306f\u6587\u5b57\u3067\u3082\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2(_)\u3067\u3082\u958b\u59cb\u3067\u304d\u3001\u7d9a\u3051\u3066\u6587\u5b57\u30840-9\u306e\u6570\u5b57\u3092\u4ed8\u3051\u3089\u308c\u308b\u3002<\/li>\n<li>dart\u306f\u8a9e\u6cd5\u3068\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4e21\u65b9\u3092\u6301\u3063\u3066\u304a\u308a\u3001var visibility = isPublic ? &#8216;public&#8217; : &#8216;private&#8217;\u307f\u305f\u3044\u306a\u66f8\u304d\u65b9\u3082\u3067\u304d\u308b\u3002<\/li>\n<li>dart tools\u306f\u3001warnings\u3068errors\uff12\u3064\u306e\u554f\u984c\u3092\u5831\u544a\u3059\u308b\u3002warnings\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u6b62\u307e\u3089\u306a\u3044\u304c\u3001\u30b3\u30fc\u30c9\u304c\u3046\u307e\u304f\u52d5\u304b\u306a\u3044\u53ef\u80fd\u6027\u306e\u3042\u308b\u304c\u3001errors\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u307e\u305f\u306f\u8d77\u52d5\u3092\u6b62\u3081\u3066\u3057\u307e\u3046\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>dart\u306e<a href=\"https:\/\/www.dartlang.org\/guides\/language\/language-tour#keywords\" target=\"_blank\" rel=\"noopener noreferrer\">keyword<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Udemy\u306eDart\u306f\u805e\u304d\u53d6\u308c\u306a\u3044\u306e\u3067\u3084\u3081\u307e\u3057\u305f\u3002 \u306a\u306e\u3067\u3001\u672c\u5bb6\u306e\u30b5\u30a4\u30c8\u306eLanguage Tour\u304b\u3089\u59cb\u3081\u3088\u3046\u304b\u3068\u601d\u3044\u307e\u3059\u3002 \u30b3\u30e1\u30f3\u30c8\uff1a\uff11\u884c\u306e\u307f\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3059\u308b\u3068\u304d\u306f\u30b9\u30e9\u30c3\u30b7\u30e5\uff12\u3064\u300c\/\/\u300d int\uff1a\u30d3\u30eb\u30c8\u30a4\u30f3\u3055\u308c\u3066\u3044&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[595,505],"tags":[601,619,622,621],"class_list":{"0":"post-4148","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-dart2","7":"category-programming","8":"tag-dart","10":"tag-622","11":"tag-621"},"_links":{"self":[{"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts\/4148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4148"}],"version-history":[{"count":3,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts\/4148\/revisions"}],"predecessor-version":[{"id":4219,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=\/wp\/v2\/posts\/4148\/revisions\/4219"}],"wp:attachment":[{"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsmeguro.jp\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}