比较两个字符串，返回不同的部分。

Compares two Strings, and returns the portion where they differ.

youdao

这里我们以正确的方式比较两个字符串。

Here's the correct way to compare two strings.

youdao

比较两个字符串是否相等，区分大小写。

Compares two Strings, returning true if they are equal ignoring the case.

youdao