Shulou(Shulou.com)06/02 Report--

This article shows you which data types are supported in switch, which are concise and easy to understand, which will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

Supported: char, byte, short, int and Character, Byte, Short, Integer and String

The value of the expression cannot be null, otherwise NullPointerException will be thrown at run time.

You can't use null in the case clause either, otherwise a compilation error will occur.

The fundamental reason why switch can not use long in JAVA is that the conversion from long to int will lose precision, resulting in inaccurate data.

The above is what data types are supported in switch. Have you learned any knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.

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