如何格式化带有前导零的Java字符串? [英] How to format a Java string with leading zero?

问题描述

这里是字符串，例如:

"Apple"

我想添加零来填充 8 个字符:

and I would like to add zero to fill in 8 chars:

"000Apple"

我该怎么做?

推荐答案

如果你不得不在没有图书馆帮助的情况下完成:

In case you have to do it without the help of a library:

("00000000" + "Apple").substring("Apple".length())

(有效，只要您的字符串不超过 8 个字符.)

(Works, as long as your String isn't longer than 8 chars.)

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