Question

Java程序编译没通,却能运行结果,为什么?

可以运行出窗口，但是不能执行操作。一旦点击运算，就出现以下结果。
Exception in thread "AWT-EventQueue-0" java.lang.Error: Unresolved compilation problems:
Cannot make a static reference to the non-static method multiply(double, double) from the type Main2.MyMath
Cannot make a static reference to the non-static method divide(double, double) from the type Main2.MyMath
Cannot make a static reference to the non-static method add(double, double) from the type Main2.MyMath
Cannot make a static reference to the non-static method subtract(double, double) from the type Main2.MyMath
Cannot make a static reference to the non-static method multiply(double, double) from the type Main2.MyMath
Cannot make a static reference to the non-static method divide(double, double) from the type Main2.MyMath

Answer 1

说明你运行时强制忽略了错误，并且你执行的代码没有跑到该错误的地方哈。