Eclipse 无法识别 org.jdesktop。
我使用和当我得到JRE system Library [jre7]
import org.jdesktop.application.Action
The import org.jdesktop cannot be resolved
我删除了构建路径,然后我做了
,仍然相同的错误。Build Path > remove from build path
project > properties > java build path > add Library > JRE system Library