Access restriction: The type 'MD5' is not API

两种方法: ①项目右键–>Properties–>Java Build Path,切换到libraries tab页,找到JRE System Library移除, 然后再点击Add Library–>JRE System Library添加即可。  ②项目右键–>Properties–>Java Build Path,切换到libraries tab页,找到JRE System Library,
相关文章
相关标签/搜索