{"width":"100%","title":"\u3069\u3046\u66f8\u304f.org\u8ab2\u984c\u300c \u8907\u7d20\u6570 \u300d","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fuehaj.hatenablog.com%2Fentry%2F20090808%2F1249700030\" title=\"\u3069\u3046\u66f8\u304f.org\u8ab2\u984c\u300c \u8907\u7d20\u6570 \u300d - uehaj&#39;s blog \" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","blog_title":"uehaj's blog ","version":"1.0","url":"https://uehaj.hatenablog.com/entry/20090808/1249700030","height":"190","blog_url":"https://uehaj.hatenablog.com/","type":"rich","image_url":null,"description":"\u8907\u7d20\u6570\u3082\u3084\u3063\u3066\u307f\u305f\u3002apache commons\u306b\u306f\u8907\u7d20\u6570\u8a08\u7b97\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u3042\u308b\u307f\u305f\u3044\u3060\u3051\u3069\u3001\u3053\u3053\u3067\u306f\u81ea\u524d\u3067\u3002\u300c.i\u300d\u3042\u305f\u308a\u306b\u3001\u8ab0\u3082\u6c17\u3065\u304b\u306a\u3044\u5c0f\u3055\u306a\u5de5\u592b\u304c\u3042\u308b\u306e\u3067\u3001\u8a00\u53ca\u3057\u3066\u304a\u3053\u3046\u3002 class Complex { double re double im Complex(re, im) { this.re = re; this.im = im } Complex plus(c) { new Complex(re+c.re, im+c.im) } Complex minus(c) { new Complex(re-c.re, im-c.im) } Complex multiply(c) { new \u2026","author_url":"https://blog.hatena.ne.jp/uehaj/","author_name":"uehaj","published":"2009-08-08 11:53:50","categories":["groovy"],"provider_url":"https://hatena.blog"}