Likewise, you almost always call a superclass method at either the start or end of a descendent method body.
同样,您几乎总是在子代方法主体的开始或结束部分调用超类方法。
When you call a fruitful function, you almost always want to do something with the result;
当你调用一个有返回值的函数的时候,一般总是要利用一下结果的;
The frames that you see on the call stack are almost always correct, however, assuming you have symbols for all frames.
但是,假定所有框架都有符号,则在调用堆栈上看到的框架几乎总是正确的。
应用推荐