https://b.hatena.ne.jp/entry/s/github.com/google/guava/wiki/ConditionalFailuresExplained One could easily handle every conditional failure the same way: if (!condition) throw new RuntimeException();. But if you spend a moment to consider the nature of the check you're performing and ha... https://b.hatena.ne.jp/yyamano/20170119#bookmark-267738963 2017-01-19T08:03:50Z https://b.hatena.ne.jp/nabinno/20151005#bookmark-267738963 2015-10-04T16:02:06Z github google https://b.hatena.ne.jp/screwbound/20151001#bookmark-267738963 2015-10-01T07:13:03Z Java SoftwareArchitecture