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若程序中需要获取操作系统用户名，应采取下列哪种方法来获取： #67

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waylau opened this issue Jul 4, 2020 · 0 comments

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waylau commented Jul 4, 2020

若程序中需要获取操作系统用户名，应采取下列哪种方法来获取：(2分)

A. 提示用户输入
B. 由环境变量获取:System.getenv(“USER”)
C. 由JVM属性获取：System.getProperty(“user.name”)
D. 启动程序的时候由程序参数传入

你的回答B 是错误的。估计是C

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