have a class

基本解釋

If you have a class that already knows about the domain objects, it is fine to use these objects in your tests.
如果您有一個(gè)已知這些域?qū)ο蟮念?，則在測(cè)試中完全可以使用這些對(duì)象。
For example, suppose that you have a class that stores user information and service information in two separate hash tables, as shown in Listing 3.
例如，假設(shè)您有一個(gè)類，它用兩個(gè)單獨(dú)的散列表來(lái)存儲(chǔ)用戶信息和服務(wù)信息，如清單 3 所示。
Unless you have a class, component, or piece of code already coded...and has been tested thoroughly...and is in production from an existing project, don't think it will be easy.
除非你有一個(gè)類、組件、或者一段已經(jīng)寫好的代碼，竝且在現(xiàn)有的項(xiàng)目已經(jīng)測(cè)試通過(guò)。不要認(rèn)爲(wèi)這將是很容易的。

And many have. Yet now comes a study showing an increase in the number of injuries in "phys ed" class.
And we do have a class I hope there'll be lively and Interesting discussion about some of these issues.
希望我們?cè)谟懻撜n上會(huì)有,生動(dòng)有趣的討論。
麻省理工公開課 - 媒躰、教育、市場(chǎng)課程節(jié)選
Sorry I stopped you for this interview. Do you have a class right now?
不好意思打擾了，麻煩你接受這次採(cǎi)訪。你現(xiàn)在有課嗎？
去學(xué)校聚會(huì)的路上 - SpeakingMax英語(yǔ)口語(yǔ)達(dá)人

This will allow us to have a class course in India, for example, and broadcast it to Brussels and Nairobi at the same time.
UNESCO: Indigenous Peoples