{"id":99876,"date":"2024-03-22T01:39:26","date_gmt":"2024-03-21T16:39:26","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%af%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%abjson%e9%85%8d%e5%88%97%e3%82%92%e5%8f%8d%e5%be%a9%e5%87%a6%e7%90%86%e3%81%97%e3%81%be%e3%81%99%e3%81%8b\/"},"modified":"2024-04-05T17:04:32","modified_gmt":"2024-04-05T08:04:32","slug":"java%e3%81%af%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%abjson%e9%85%8d%e5%88%97%e3%82%92%e5%8f%8d%e5%be%a9%e5%87%a6%e7%90%86%e3%81%97%e3%81%be%e3%81%99%e3%81%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%af%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%abjson%e9%85%8d%e5%88%97%e3%82%92%e5%8f%8d%e5%be%a9%e5%87%a6%e7%90%86%e3%81%97%e3%81%be%e3%81%99%e3%81%8b\/","title":{"rendered":"Java\u306f\u3069\u306e\u3088\u3046\u306bJSON\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u307e\u3059\u304b"},"content":{"rendered":"

JSONArray\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066JSON\u914d\u5217\u3092\u8868\u3057\u3001\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u624b\u9806\u3067JSON\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n

    \n
  1. JSONArray<\/li>\n
  2. JSON\u914d\u5217<\/li>\n
  3. JSON \u306e\u914d\u5217\u3002<\/li>\n<\/ol>\n
    String<\/span> jsonStr<\/span> =<\/span> \"[{\\\"name\\\":\\\"Alice\\\",\\\"age\\\":20},{\\\"name\\\":\\\"Bob\\\",\\\"age\\\":25}]\"<\/span>;\r\nJSONArray<\/span> jsonArray<\/span> =<\/span> new<\/span> JSONArray<\/span>(jsonStr);\r\n<\/code><\/pre>\n
      \n
    1. \u30cd\u30a4\u30c6\u30a3\u30d6\u306eJSON\u914d\u5217<\/li>\n
    2. JSON\u30a2\u30ec\u30a4<\/li>\n
    3. \u306e\u9577\u3055<\/li>\n
    4. \u53d6\u5f97<\/li>\n<\/ol>\n
      for<\/span> (int<\/span> i<\/span> =<\/span> 0<\/span>; i < jsonArray.length(); i++) {\r\n    JSONObject<\/span> jsonObj<\/span> =<\/span> jsonArray.getJSONObject(i);\r\n    String<\/span> name<\/span> =<\/span> jsonObj.getString(\"name\"<\/span>);\r\n    int<\/span> age<\/span> =<\/span> jsonObj.getInt(\"age\"<\/span>);\r\n    \/\/ \u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u64cd\u4f5c<\/span>\r\n    System.out.println(\"Name: \"<\/span> + name + \", Age: \"<\/span> + age);\r\n}\r\n<\/code><\/pre>\n
      \u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u914d\u5217\u306e\u5404\u8981\u7d20\u306fjsonObj\u3067\u8868\u3055\u308c\u3001getString()\u3084getInt()\u306a\u3069\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u8981\u7d20\u306e\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n
      \u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306forg.json\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057JSON\u3092\u51e6\u7406\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002Jackson\u3084Gson\u306a\u3069\u306e\u4ed6\u306eJSON\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u69cb\u6587\u3084\u30e1\u30bd\u30c3\u30c9\u304c\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      JSONArray\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066JSON\u914d\u5217\u3092\u8868\u3057\u3001\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u624b\u9806\u3067JSON\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u307e\u3059\u3002 JSONArray JSON\u914d\u5217 JSON \u306e\u914d\u5217\u3002 String jsonStr = “[{\\”name\\ […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-99876","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJava\u306f\u3069\u306e\u3088\u3046\u306bJSON\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u307e\u3059\u304b - 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\/java\u306f\u3069\u306e\u3088\u3046\u306bjson\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u307e\u3059\u304b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u306f\u3069\u306e\u3088\u3046\u306bJSON\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u307e\u3059\u304b\" \/>\n<meta property=\"og:description\" content=\"JSONArray\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066JSON\u914d\u5217\u3092\u8868\u3057\u3001\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u624b\u9806\u3067JSON\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u307e\u3059\u3002 JSONArray JSON\u914d\u5217 JSON \u306e\u914d\u5217\u3002 String jsonStr = "[{"name […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u306f\u3069\u306e\u3088\u3046\u306bjson\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u307e\u3059\u304b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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