Class options let us specify which class we want to add fields to.

class选项允许我们指定向哪个类添加字段。

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This setting can be overwritten by setting the specific package and class options.

可以通过设置特定的包和类选项来覆盖该设置。

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If you want to see the full signature, right-click on the class, and select the options that Figure 13 shows from the context menu.

如果您想看到完整的标记，在类上单击右键，并在环境菜单中选择图13中展示的选项。

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Low-cost US carriers Virgin America and JetBlue also offer upgraded economy class options.

BBC: Flying in the fourth class

Zuckerberg owns 444 million Class B shares and options on 60 million additional Class B shares.

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Supporters of the law hope that it will open up a new class of investment options, and that banks like Goldman Sachs will offer socially-minded funds that consist entirely of benefit corporations.

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