{"description":"val\u304c\u4e0d\u5909\u3067var\u304c\u53ef\u5909 //val\u3067\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u5b9a\u7fa9 scala> class Person(val name:String) defined class Person scala> val p = new Person(\"Andy\") p: Person = Person@72aa81 scala> p.name res0: String = Andy scala> p.name=\"John\" <console>:6: error: reassignment to val p.name=\"John\" ^ \u4e0d\u5909\u306a\u306e\u3067\u8aad\u307f\u53d6\u308a\u306e\u307f //var\u3067\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u5b9a\u7fa9 scala> clas\u2026","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","title":"val\u3068var","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkatahirado.hatenablog.com%2Fentry%2F20081204%2F1228394073\" title=\"val\u3068var - \u4ed9\u53f0 Ruby Vim JavaScript \u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u30d7\u30ed\u30b0\u30e9\u30de\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"yuichi_katahira","url":"https://katahirado.hatenablog.com/entry/20081204/1228394073","published":"2008-12-04 21:34:33","categories":["Scala","Ruby"],"blog_url":"https://katahirado.hatenablog.com/","height":"190","author_url":"https://blog.hatena.ne.jp/yuichi_katahira/","type":"rich","image_url":null,"blog_title":"\u4ed9\u53f0 Ruby Vim JavaScript \u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u30d7\u30ed\u30b0\u30e9\u30de","version":"1.0","width":"100%"}