如何将字符串转换为字节和后退 [英] How to convert String into Byte and Back

问题描述

为了转换字符串，我将其转换为一个字节，如下所示：
byte [] nameByteArray = cityName.getBytes（）;

For converting a string, I am converting it into a byte as follows: byte[] nameByteArray = cityName.getBytes();

要转换回来，我做了： String retrieveString = new String（nameByteArray）; 这显然不起作用。我如何将其转换回来？

To convert back, I did: String retrievedString = new String(nameByteArray); which obviously doesn't work. How would I convert it back?

推荐答案

您原来的城市名称中有哪些字符？尝试这样的UTF-8版本：

What characters are there in your original city name? Try UTF-8 version like this:

byte[] nameByteArray = cityName.getBytes("UTF-8");
String retrievedString = new String(nameByteArray, "UTF-8");

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