Jackson Version 3.2 was released June 8, 2026. This wiki page gives a list of links to all changes (with brief descriptions) that are included. Version is under development (under branch 3.x). It will ...
Java 基本数据类型的包装类型的大部分都用到了缓存机制来提升性能。 Byte, Short, Integer, Long 这 4 种包装类默认创建了数值 [-128,127] 的相应类型的缓存数据, Character 创建了数值在 [0,127] 范围的缓存数据, Boolean 直接返回 TRUE or FALSE。