Please tell me a real time situation to compare String
, StringBuffer
, and StringBuilder
?
Mutability Difference:
String
is immutable, if you try to alter their values, another object gets created, whereas StringBuffer
and StringBuilder
are mutable so they can change their values.
Thread-Safety Difference:
The difference between StringBuffer
and StringBuilder
is that StringBuffer
is thread-safe. So when the application needs to be run only in a single thread then it is better to use StringBuilder
. StringBuilder
is more efficient than StringBuffer
.
Situations:
String
object is immutable.StringBuilder
is good enough.StringBuffer
because StringBuffer
is synchronous so you have thread-safety.