针对你遇到的“invalid package name; it's impossible to create a java class inside”问题,我将从以下几个方面进行解答: 1. Java包名和类名的命名规则 包名: 包名应全部小写(这是惯例,虽然Java本身并不强制要求)。 包名通常由多个单词组成,每个单词之间使用点(.)分隔,形成层次结构。 包名不能包含空格、...
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both with an array hanging off them. I went to install a third card into slot 1, but then when it boots it says two of my sd's have bad magic number in the super-block and it wants me to create an alternative one, which I don't want to do. If i remove the new card, the ...