导入一个项目时出现

Multiple markers at this line
	- The type java.lang.Object cannot be resolved. It is indirectly referenced from 
	 required .class files
	- The type java.lang.String cannot be resolved. It is indirectly referenced from 
	 required .class files

报错信息

JRE System Library 包没有导入
解决方法：

右键项目工程-->>properties->>java bulid path -->>>libraries -->>add library -->>JRE System Library

ps：下图红圈提示，选择红圈中选择项就可以导入了

最后，直接finish就导入成功了