It's because the exception string is pointing to a string which destroyed once the exception handler is done.

这是因为异常字符串是指向一个字符串，破坏了曾经的异常处理程序完成。

youdao

With the exception that one of the listeners converts the input string to uppercase, the code for the listeners is exactly the same.

除了一个监听器将输入字符串转换成大写字母之外，监听器的代码完全相同。

youdao

This response should throw an exception because the temperature value is not a float type — it is actually a string.

这个响应会抛出一个异常，因为温度的值不是浮点类型—它实际上是一个字符串。

youdao