non-nullable

英文: How to mark a type as not null? 问题 I want a generic method (or class) to behave something like t...

英文: How can I create a non-nullable variable when it's initialized in an event? 问题 private List ...

英文: Are there plans to add type-checked nullable types to Java? 问题 关于Kotlin相对于Java的一个我喜欢的特性是，你可以使用编译...