If your string can change (example: lots of logic and operations in the construction of the string) and will only be accessed from a single thread, using a StringBuilder is good enough. If your …

10 Noll 2008 · What is the main difference between StringBuffer and StringBuilder? Is there any performance issues when deciding on any one of these?

18 Meith 2010 · What is the difference between string and StringBuilder? Also, what would be some examples for understanding?

30 Meith 2012 · The main idea is that String is immutable. So when you are trying to modify it, new object created. StringBuffer and StringBuilder are mutable. And the difference is the first …

StringBuffer to me results in ugly, less readable code, as a couple of examples in Tate's book demonstrates. And StringBuffer is thread-synchronized which seems to have its own costs that …

26 Márta 2011 · String s1 = new StringBuilder(s2).append(s3).toString(); If you don't believe me, try it yourself with a disassembler (javap -c, for example.) The thing about "StringBuffer is faster …

16 MFómh 2008 · I understand the difference between String and StringBuilder (StringBuilder being mutable) but is there a large performance difference between the two? The program I’m …

Not to beat a dead horse, but the wording in the spec is: To increase the performance of repeated string concatenation, a Java compiler _may_ use the StringBuffer class or a similar technique …

17 Noll 2014 · Peter, have you done any benchmarking on the performance of StringBuilder vs. StringJoiner? Which one would you prefer from that regard?

20 Meith 2020 · 3 StringBuffer serves same purpose as StringBuilder except that StringBuffer is thread-safe. StringTokenizer is used for splitting the string into tokens based on some delimiters.