{"id":7024,"date":"2024-03-14T19:51:02","date_gmt":"2024-03-14T10:51:02","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/"},"modified":"2024-03-20T16:13:08","modified_gmt":"2024-03-20T07:13:08","slug":"7024-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/","title":{"rendered":""},"content":{"rendered":"<p>Java Stream API\u3092\u4f7f\u7528\u3057\u30662\u3064\u306e\u30ea\u30b9\u30c8\u306e\u9055\u3044\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f2\u3064\u306e\u30ea\u30b9\u30c8\u3092\u6bd4\u8f03\u3059\u308b\u65b9\u6cd5\u306e1\u3064\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.util.ArrayList;\r\n<span class=\"hljs-keyword\">import<\/span> java.util.List;\r\n<span class=\"hljs-keyword\">import<\/span> java.util.stream.Collectors;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Main<\/span> {\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        List&lt;String&gt; list1 = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">ArrayList<\/span>&lt;&gt;();\r\n        list1.add(<span class=\"hljs-string\">\"A\"<\/span>);\r\n        list1.add(<span class=\"hljs-string\">\"B\"<\/span>);\r\n        list1.add(<span class=\"hljs-string\">\"C\"<\/span>);\r\n\r\n        List&lt;String&gt; list2 = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">ArrayList<\/span>&lt;&gt;();\r\n        list2.add(<span class=\"hljs-string\">\"B\"<\/span>);\r\n        list2.add(<span class=\"hljs-string\">\"C\"<\/span>);\r\n        list2.add(<span class=\"hljs-string\">\"D\"<\/span>);\r\n\r\n        List&lt;String&gt; added = list2.stream()\r\n                .filter(e -&gt; !list1.contains(e))\r\n                .collect(Collectors.toList());\r\n\r\n        List&lt;String&gt; removed = list1.stream()\r\n                .filter(e -&gt; !list2.contains(e))\r\n                .collect(Collectors.toList());\r\n\r\n        System.out.println(<span class=\"hljs-string\">\"Added elements: \"<\/span> + added);\r\n        System.out.println(<span class=\"hljs-string\">\"Removed elements: \"<\/span> + removed);\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u307e\u305alist1\u3068list2\u3068\u3044\u30462\u3064\u306e\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u6b21\u306b\u3001Stream API\u3068collect()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001list2\u306b\u8ffd\u52a0\u3055\u308c\u305f\u8981\u7d20\u3084list1\u304b\u3089\u524a\u9664\u3055\u308c\u305f\u8981\u7d20\u3092\u898b\u3064\u3051\u3001\u6700\u5f8c\u306b\u3053\u308c\u3089\u306e\u8981\u7d20\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java Stream API\u3092\u4f7f\u7528\u3057\u30662\u3064\u306e\u30ea\u30b9\u30c8\u306e\u9055\u3044\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f2\u3064\u306e\u30ea\u30b9\u30c8\u3092\u6bd4\u8f03\u3059\u308b\u65b9\u6cd5\u306e1\u3064\u3067\u3059\u3002 import java.util.ArrayList; import java.util. [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-7024","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"Java Stream API\u3092\u4f7f\u7528\u3057\u30662\u3064\u306e\u30ea\u30b9\u30c8\u306e\u9055\u3044\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f2\u3064\u306e\u30ea\u30b9\u30c8\u3092\u6bd4\u8f03\u3059\u308b\u65b9\u6cd5\u306e1\u3064\u3067\u3059\u3002 import java.util.ArrayList; import java.util. [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T10:51:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-20T07:13:08+00:00\" \/>\n<meta name=\"author\" content=\"\u7d50\u8863, \u6625\u82b1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u7d50\u8863, \u6625\u82b1\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-14T10:51:02+00:00\",\"dateModified\":\"2024-03-20T07:13:08+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac\",\"name\":\"\u7d50\u8863, \u6625\u82b1\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g\",\"caption\":\"\u7d50\u8863, \u6625\u82b1\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/yuiharuka\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"- Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/","og_locale":"ja_JP","og_type":"article","og_description":"Java Stream API\u3092\u4f7f\u7528\u3057\u30662\u3064\u306e\u30ea\u30b9\u30c8\u306e\u9055\u3044\u3092\u6bd4\u8f03\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f2\u3064\u306e\u30ea\u30b9\u30c8\u3092\u6bd4\u8f03\u3059\u308b\u65b9\u6cd5\u306e1\u3064\u3067\u3059\u3002 import java.util.ArrayList; import java.util. [&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-14T10:51:02+00:00","article_modified_time":"2024-03-20T07:13:08+00:00","author":"\u7d50\u8863, \u6625\u82b1","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u7d50\u8863, \u6625\u82b1","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"1\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/","name":"- Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-14T10:51:02+00:00","dateModified":"2024-03-20T07:13:08+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/"]}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac","name":"\u7d50\u8863, \u6625\u82b1","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g","caption":"\u7d50\u8863, \u6625\u82b1"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/yuiharuka\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/7024-2\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/7024","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=7024"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/7024\/revisions"}],"predecessor-version":[{"id":75788,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/7024\/revisions\/75788"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=7024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=7024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=7024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}