I want to pass some ArrayList<Integer> X into method a(Collection<Integer> someCol) that takes Collection<Integer> as an input.
I have a base class (order) with a set of sub classes (productorder, specialorder, partsorder etc). Only Some of these sub classes implement a particular interface (ITrackingCustomer) which has a si
Vonice 2022-06-02 21:44 谷维素片是治疗人类神经官能症的常用药物。它是从天然谷物中提取的中成药，对人体多器官功能有明显的调理作用。此外，青少年还可以通过服用适量谷维素片来促进身体发育。谷维素片有
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