{"width":"100%","blog_url":"https://rna.hatenadiary.jp/","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/rna/","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frna.hatenadiary.jp%2Fentry%2F20040831%2Fp2\" title=\" \u306c\u308b\u307d - rna fragments\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":" \u306c\u308b\u307d","categories":["neta"],"height":"190","provider_name":"Hatena Blog","published":"2004-08-31 00:00:01","blog_title":"rna fragments","description":"import java.lang.reflect.*; public class NullPo { public static void main(String[] args) { if (args.length == 0) { System.out.println(\"usage:java NullPo app-class-name app-args...\"); System.exit(1); } try { Class clazz = Class.forName(args[0]); Class[] types = { args.getClass() }; Method method = cl\u2026","version":"1.0","url":"https://rna.hatenadiary.jp/entry/20040831/p2","author_name":"rna","image_url":null}