What is the difference between StringBuffer and StringBuilder

This article introduces the relevant knowledge of "what is the difference between StringBuffer and StringBuilder". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

StringBuffer is a thread-safe variable string, and its internal implementation is a variable array. StringBuilder is new to jdk 1.5 and is similar to StringBuffer, but not thread-safe. Therefore, without multithreading problems, using StringBuilder will achieve better performance. "what's the difference between StringBuffer and StringBuilder?" that's it. Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!