{"id":23961,"date":"2024-03-16T23:57:01","date_gmt":"2024-03-16T14:57:01","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%ae%e3%82%b7%e3%83%aa%e3%82%a2%e3%83%a9%e3%82%a4%e3%82%bc%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%a8%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%81%e3%81%9d%e3%81%97%e3%81%a6\/"},"modified":"2025-08-07T18:16:15","modified_gmt":"2025-08-07T09:16:15","slug":"java%e3%81%ae%e3%82%b7%e3%83%aa%e3%82%a2%e3%83%a9%e3%82%a4%e3%82%bc%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%a8%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%81%e3%81%9d%e3%81%97%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%ae%e3%82%b7%e3%83%aa%e3%82%a2%e3%83%a9%e3%82%a4%e3%82%bc%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%a8%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%81%e3%81%9d%e3%81%97%e3%81%a6\/","title":{"rendered":"Java\u306e\u30b7\u30ea\u30a2\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u4f55\u3067\u3059\u304b\u3001\u305d\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u5b9f\u88c5\u3057\u307e\u3059\u304b\uff1f"},"content":{"rendered":"<p>Java\u306e\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3068\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30d0\u30a4\u30c8\u5217\u306b\u5909\u63db\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u3053\u3068\u3067\u3042\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u8ee2\u9001\u3057\u305f\u308a\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3057\u305f\u308a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Java\u3067\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u306f\u3001\u30af\u30e9\u30b9\u304cSerializable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3059\u3002Serializable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306f\u7a7a\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3067\u3042\u308a\u3001\u4f55\u306e\u30e1\u30bd\u30c3\u30c9\u3082\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u305d\u306e\u30af\u30e9\u30b9\u304c\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u305f\u3081\u306b\u30de\u30fc\u30ad\u30f3\u30b0\u3055\u308c\u305f\u3060\u3051\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3067\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u306bimplements Serializable\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u3001\u30b7\u30ea\u30a2\u30eb\u5316\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u4f8b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyClass<\/span> <span class=\"hljs-keyword\">implements<\/span> <span class=\"hljs-title class_\">Serializable<\/span> {\r\n    <span class=\"hljs-comment\">\/\/ \u7c7b\u7684\u5b9a\u4e49<\/span>\r\n}\r\n<\/code><\/pre>\n<p>Serializable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3057\u305f\u30af\u30e9\u30b9\u306f\u3001Java\u306e\u30b7\u30ea\u30a2\u30eb\u5316\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u30b7\u30ea\u30a2\u30eb\u5316\u304a\u3088\u3073\u9006\u30b7\u30ea\u30a2\u30eb\u5316\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b7\u30ea\u30a2\u30eb\u5316\u306f\u3001ObjectOutputStream\u30af\u30e9\u30b9\u306ewriteObject\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30d0\u30a4\u30c8\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u9006\u30b7\u30ea\u30a2\u30eb\u5316\u306f\u3001ObjectInputStream\u30af\u30e9\u30b9\u306ereadObject\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d0\u30a4\u30c8\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3068\u30c7\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u306e\u4f8b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.io.*;\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        <span class=\"hljs-comment\">\/\/ \u5e8f\u5217\u5316\u5bf9\u8c61<\/span>\r\n        <span class=\"hljs-type\">MyClass<\/span> <span class=\"hljs-variable\">myObject<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">MyClass<\/span>();\r\n        <span class=\"hljs-keyword\">try<\/span> {\r\n            <span class=\"hljs-type\">FileOutputStream<\/span> <span class=\"hljs-variable\">fileOut<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">FileOutputStream<\/span>(<span class=\"hljs-string\">\"myobject.ser\"<\/span>);\r\n            <span class=\"hljs-type\">ObjectOutputStream<\/span> <span class=\"hljs-variable\">out<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">ObjectOutputStream<\/span>(fileOut);\r\n            out.writeObject(myObject);\r\n            out.close();\r\n            fileOut.close();\r\n            System.out.println(<span class=\"hljs-string\">\"Object serialized successfully\"<\/span>);\r\n        } <span class=\"hljs-keyword\">catch<\/span> (IOException e) {\r\n            e.printStackTrace();\r\n        }\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u53cd\u5e8f\u5217\u5316\u5bf9\u8c61<\/span>\r\n        <span class=\"hljs-type\">MyClass<\/span> <span class=\"hljs-variable\">deserializedObject<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-literal\">null<\/span>;\r\n        <span class=\"hljs-keyword\">try<\/span> {\r\n            <span class=\"hljs-type\">FileInputStream<\/span> <span class=\"hljs-variable\">fileIn<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">FileInputStream<\/span>(<span class=\"hljs-string\">\"myobject.ser\"<\/span>);\r\n            <span class=\"hljs-type\">ObjectInputStream<\/span> <span class=\"hljs-variable\">in<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">ObjectInputStream<\/span>(fileIn);\r\n            deserializedObject = (MyClass) in.readObject();\r\n            in.close();\r\n            fileIn.close();\r\n            System.out.println(<span class=\"hljs-string\">\"Object deserialized successfully\"<\/span>);\r\n        } <span class=\"hljs-keyword\">catch<\/span> (IOException | ClassNotFoundException e) {\r\n            e.printStackTrace();\r\n        }\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u4f7f\u7528\u53cd\u5e8f\u5217\u5316\u540e\u7684\u5bf9\u8c61\u8fdb\u884c\u64cd\u4f5c<\/span>\r\n        <span class=\"hljs-keyword\">if<\/span> (deserializedObject != <span class=\"hljs-literal\">null<\/span>) {\r\n            deserializedObject.doSomething();\r\n        }\r\n    }\r\n}\r\n\r\n<span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyClass<\/span> <span class=\"hljs-keyword\">implements<\/span> <span class=\"hljs-title class_\">Serializable<\/span> {\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">doSomething<\/span><span class=\"hljs-params\">()<\/span> {\r\n        System.out.println(<span class=\"hljs-string\">\"Doing something...\"<\/span>);\r\n    }\r\n}\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Java\u306e\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3068\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30d0\u30a4\u30c8\u5217\u306b\u5909\u63db\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u3053\u3068\u3067\u3042\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u8ee2\u9001\u3057\u305f\u308a\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3057\u305f\u308a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 Java\u3067\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u306f\u3001\u30af\u30e9 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-23961","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"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>Java\u306e\u30b7\u30ea\u30a2\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u4f55\u3067\u3059\u304b\u3001\u305d\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u5b9f\u88c5\u3057\u307e\u3059\u304b\uff1f - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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