The biggest impediment to using bounded wildcards correctly is the perception that we don't need to use them!

正确使用有界通配符的最大绊脚石是认为没有必要使用它们。

youdao

The biggest impediment to using bounded wildcards correctly is the perception that we don't need to use them!

正确使用有界通配符的最大绊脚石是认为没有必要使用它们。

youdao