SimpleJPA does the string conversion and any subsequent padding (if required) for objects that rely on numeric types.

SimpleJPA会对依赖于数字类型的对象进行字符串转换和后续的填充(如果需要)。

youdao

Rails provides reasonable definitions of blank? For several other objects too: true, false, empty arrays or hashes, numeric types, and even the object class.

Rails同时为许多其他对象提供了合理的blank ？定义：true, false，空数组及哈希表，数值类型，甚至是Object类本身。

youdao

Instead all numeric types are true objects.

相反的，所有的数值类型都是正真的objects。

youdao