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I am attempting to create a package for my project in IntelliJ IDEA. I am naming the package 'com.mydomain.switch' Switch being the project name, but as soon as I type 'switch' it shows an error.

The only thing I can think of is that 'switch' is a Java keyword, is this the case? and if so what can I do about it?

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  • docs.oracle.com/javase/tutorial/java/nutsandbolts/switch.html Commented Apr 12, 2014 at 9:31
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    @NimChimpsky the question is not about switch keyword. it is about packagename 'com.mydomain.switch'. Commented May 22, 2021 at 12:46
  • @krishnaTelgave oh really ? I wonder why the switch package name doesn't work then ? Commented May 24, 2021 at 4:17

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When creating a package named switch, IntelliJ IDEA displays the following error message:

Not a valid package name, it would be impossible to create a class inside

So, the message is quite clear. What you can do about it: use another name. The possibilities are infinite.

Here is the list of reserved keywords, that can't be used as identifiers: http://docs.oracle.com/javase/specs/jls/se7/html/jls-3.html#jls-3.9

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Is there any convention for naming classes where the desired name is not possible?
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You probably had a space after the packagename.

Intellij will give that error if the packagename ends with a space.

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some words are not allowd like new, or numbers, maybe switch also.

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