Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor
解决方案:把Java的类库加载进去,在工程上右键选择属性->JavaBuild Path的Libraries->Add Library选择JRE System Library->点击Next->选择Execution environment并选择版本或workspace default jre->点击Finish。
时间: 2024-10-06 13:11:44