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UUID.randomUUID()是否包含任何特殊字符?

[英]Does UUID.randomUUID() contain any special characters?

ok, see 好的,看

String myUniversalString=String.valueOf(UUID.randomUUID());

My question is that 我的问题是

Does myUniversalString contain any special characters such as "#","@","!","~", etc ? myUniversalString是否包含任何特殊字符,例如"#","@","!","~", etc

Only hyphens ( - ). 只有连字符( - )。 The format of the returned string is documented in the Javadoc . Javadoc中记录了返回字符串的格式。

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