The biggest change is the addition of a comparator class (Listing 13) and the methods for extracting the appropriate fields and performing the actual sorting.
最大的改变是添加了comparator类(清单13)以及抽取适当字段并进行实际排序的方法。
Because the image is always running, any addition, deletion, or update of a method in any class occurs at run time.
因为它总在运行,对任何类中方法的任何添加、删除或更新操作都发生在运行时。
In addition the library provides class methods to create objects of their type in different ways.
另外,这个库还提供以不同方式创建类型的对象的类方法。
But I think it's also important to kind of have this outset experiences in addition to what you're doing in class,
但是,我认为这也是在课堂学习之外比较重要的经历。
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