本文共 411 字,大约阅读时间需要 1 分钟。
These errors happend because some /class in the hierarchy cannot be resolve.
For example: the error is occur in your class - class x, x inherits y, and in turn, y inherits z. However, the cannot resolve z (in above error is EventManager), because z is belong to a library that is not included. Therefore, you have to add package containing z to the classpath/ or project's Build Path (if you are using eclipse).转载地址:http://ygici.baihongyu.com/