{"width":"100%","published":"2009-12-11 22:39:34","type":"rich","height":"190","provider_name":"Hatena Blog","categories":["Java"],"provider_url":"https://hatena.blog","version":"1.0","description":"\u540c\u671f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3 \u540c\u671f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u30a4\u30c6\u30ec\u30fc\u30b7\u30e7\u30f3 \u540c\u671f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u30d7\u30c3\u30c8\u30fb\u30a4\u30d5\u30fb\u30a2\u30d6\u30bb\u30f3\u30c8 \u4e26\u5217\u30b3\u30ec\u30af\u30b7\u30e7\u30f3 ConcurrentHashMap CopyOnWriteArrayList CopyOnWriteArraySet \u540c\u671f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3 \u540c\u671f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306f\u3001JDK1.2\u4ee5\u964d\u3067\u8ffd\u52a0\u3055\u308c\u305f Collections.synchronizedXxx \u7cfb\u306e\u30d5\u30a1\u30af\u30c8\u30ea\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u540c\u671f\u30e9\u30c3\u30d1\u30fc\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002 List<String> list = Collections.synchronizedList(new ArrayList<String>()); Set<String> s = C\u2026","blog_title":"A Memorandum","url":"https://blog1.mammb.com/entry/20091211/1260625174","image_url":"http://ecx.images-amazon.com/images/I/511lSU4bcXL.jpg","blog_url":"https://blog1.mammb.com/","title":"\u540c\u671f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3068\u4e26\u5217\u30b3\u30ec\u30af\u30b7\u30e7\u30f3","author_name":"Naotsugu","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog1.mammb.com%2Fentry%2F20091211%2F1260625174\" title=\"\u540c\u671f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3068\u4e26\u5217\u30b3\u30ec\u30af\u30b7\u30e7\u30f3 - A Memorandum\" 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/Naotsugu/"}