{"url":"https://mtoyoshi.hateblo.jp/entry/20071223/1198339462","blog_url":"https://mtoyoshi.hateblo.jp/","title":"javascript\u306e\u67d4\u8edf\u3055\u304c\uff7d\uff77\u266a","version":"1.0","description":"\u4ee5\u4e0b\u306fjava\u3067\u3088\u304f\u66f8\u304f\u30b3\u30fc\u30c9\u3002 if (str == null || str == '') \u30fb\u30fb\u30fb \u3053\u308c\u3092\u691c\u8a3c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u304f\u3089\u3044\u6700\u521d\u304b\u3089String\u30af\u30e9\u30b9\u304c\u6301\u3063\u3066\u304a\u3051\u30fc\u3068\u601d\u3046\u3093\u3067\u3059\u3051\u3069\u306d\u3002C#\u306a\u3089 if (str.IsNullOrEmpty()) \u30fb\u30fb\u30fb\u3068\u66f8\u3051\u307e\u3059\u3002\u6700\u521d\u304b\u3089\u7d44\u307f\u8fbc\u307e\u308c\u3066\u308b\u3093\u3067\u3059\u3002java\u306e\u5834\u5408\u306f\u7d44\u307f\u8fbc\u307e\u308c\u3066\u306a\u3044\u3093\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306butility\u30af\u30e9\u30b9\u3092\u5229\u7528\u3059\u308b\u3002\u4f8b\u306fcommons-lang\u306eStringUtils\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3002 if (StringUtils.isEmpty(str)) \u30fb\u30fb\u30fb \u307e\u3001\u3053\u308c\u304c\u9650\u754c\u3063\u3059\u3002java.lang.String\u3092\u7d99\u627f\u3057\u3066\u65b0\u3057\u3044\u30af\u30e9\u30b9\u4f5c\u3063\u3066\u3082\u2026","author_name":"mtoyoshi","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmtoyoshi.hateblo.jp%2Fentry%2F20071223%2F1198339462\" title=\"javascript\u306e\u67d4\u8edf\u3055\u304c\uff7d\uff77\u266a - mtoyoshi\u958b\u767a\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/mtoyoshi/","width":"100%","provider_name":"Hatena Blog","categories":["Javascript","C#","Java"],"height":"190","published":"2007-12-23 01:04:22","provider_url":"https://hatena.blog","type":"rich","blog_title":"mtoyoshi\u958b\u767a\u30e1\u30e2","image_url":null}