{"provider_name":"Hatena Blog","type":"rich","blog_title":"Oboe\u5439\u304d\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u9ed9\u793a\u9332","blog_url":"https://oboe2uran.hatenablog.com/","categories":["Java"],"image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Foboe2uran.hatenablog.com%2Fentry%2F2021%2F03%2F20%2F003000\" title=\"Function&lt;T, R&gt;\u306e andThen \u306b\u304a\u3051\u308b NullPointerException \u306e\u56de\u907f - Oboe\u5439\u304d\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u9ed9\u793a\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","description":"Function<T, R> \u306e andThen , compose \u306f\u3001 \u4ee5\u524d\u304b\u3089\u3001\u6700\u521d\u306e apply \u7d50\u679c\u304c null \u3060\u3063\u305f\u3089\u3001 NullPointerException \u306b\u306a\u3063\u3066\u3057\u307e\u3046\u4e0d\u6e80\u304c\u3042\u308a\u307e\u3057\u305f\u3002 \u3088\u304f\u3042\u308a\u304c\u3061\u306a\u30c7\u30fc\u30bf\u69cb\u9020 import lombok.Data; @Data public class Bucket{ private Drink drink; } import lombok.Data; @Data public class Drink{ private String name; } \u306e\u6642\u3001\u3001 Function<Bucket, Drink> f1 = Bucket::\u2026","width":"100%","height":"190","author_name":"posturan","provider_url":"https://hatena.blog","title":"Function<T, R>\u306e andThen \u306b\u304a\u3051\u308b NullPointerException \u306e\u56de\u907f","published":"2021-03-20 00:30:00","author_url":"https://blog.hatena.ne.jp/posturan/","url":"https://oboe2uran.hatenablog.com/entry/2021/03/20/003000"}