MMO Admin 845 Questions 9 Answers 0 Best Answers 1k Points View Profile 0 What is difference between StringBuilder and StringBuffer ? MMO Admin Leader Asked: January 5, 2019In: IT 0 Share Facebook 1 Answer Voted Oldest Recent MMO Panel 60 Questions 912 Answers 3 Best Answers 39 Points View Profile MMO Panel Expert Added an answer on January 5, 2019 at 5:24 PM StringBuffer methods are synchronized while StringBuilder are not. StringBuffer came first. Sun was concerned with correctness under all conditions, so they made it synchronized to make it thread-safe just in case. StringBuilder came later. Most of the uses of StringBuffer were single-thread and unnecessarily paying the cost of the synchronization.Since StringBuilder is a drop-in replacement for StringBuffer without the synchronization, there would not be differences between any examples 0 Reply Leave an answerLeave an answerCancel reply Select file Browse Save my name, email, and website in this browser for the next time I comment.