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。

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

youdao

它们只是分别将字符串都转换成大写字母或小写字母。

They simply convert the string to all uppercase or all lowercase letters, respectively.

youdao

例外情况，一个监听器将输入字符串转换成大写字母，而另一个将其转换成小写字母，这对于监听器所编写的代码都是完全相同的。

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

youdao

s2 So, I'm passing in the first character in s2, I'm making it uppercase and then I'm putting it back so casually speaking this is just capitalizing the first letter of whatever word the user typed in to s2.

那么，我把第一个字符传递给，我把它转换成大写的，然后存下来,简单说，这就是把用户输入s2中的单词,的第一个字母转换成大写的。

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