StingBuffer和StringBuilder都是字符串操作的。StringBuffer是线程安全的，我从一些资料上看到，字符串"+"操作会被编译成StringBuffer的append操作。我想问一下如果直接用“+”会不会影响性能？还有就是，StringBuilder是非线程安全的，性能应该会高一点。但什么情况下必须 ...

Take advantage of these best practices when working with strings in .NET Core for the optimal performance of your applications. Two popular classes that you will use frequently when working with ...