Implicit super constructor Object() is undefined for default constructor. Must define an explicit co
2017-09-06 15:25
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解 决方案：把java的类库加载进去，在工程上右键选择属性->Java Build 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。
解决方案是从网上百度来的。导入工程后就出现这个错，原因主要由于导入的工程所使用的jdk与电脑环境变量的jdk不一致，因此需要重新执行上面的步骤，重新给工程设定新的jdk。最后project--》clean。重新编译。
default jre->点击Finish。
解决方案是从网上百度来的。导入工程后就出现这个错，原因主要由于导入的工程所使用的jdk与电脑环境变量的jdk不一致，因此需要重新执行上面的步骤，重新给工程设定新的jdk。最后project--》clean。重新编译。
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