Wherever you're tempted to copy code from one class to the next, stop and consider how you can use class hierarchies to leverage similar or identical functionality.

无论何时，如果想将代码从一个类复制到下一个类中，请停下来并考虑如何使用类层次结构利用类似功能或相同功能。

youdao

To accomplish this, create a ListBox widget class similar to the one created earlier for TextField, and then add select() and find() methods to it.

要完成这项操作，需要创建 ListBox 窗口小部件类，创建过程与前面创建 TextField 的相似，然后将 select() 和 find() 方法添加到该类中。

youdao

Every Joda class has a constructor, similar to this one, where you specify all of the fields that the Joda class can hold.

每一个joda类都有一个与此类似的构造函数，您在此构造函数中指定joda类可以包含的所有字段。

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Past research shows that one class of antibiotics may have a similar action at GABA receptors.

WSJ: Unraveling the Riddle of Too Much Sleep

Ireland are in a similar position to Wales with one top-class veteran stand-off, in this case O'Gara, and the young pretender snapping at his heels.

BBC: James Hook flourishes as Wales fly-half

Odom is one of two lead plaintiffs in a class-action suit involving thousands of consumers with similar claims, said Girard.

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