Saturday, September 02, 2006

What is the main difference between a String and a StringBuffer class?

String is immutable: you can’t modify a string
object but can replace it by creating a new
instance. Creating a new instance is rather

StringBuffer is mutable: use StringBuffer or StringBuilder when you want to
modify the contents. StringBuilder was added in Java 5 and it is identical in
all respects to StringBuffer except that it is not synchronised, which makes


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