Difference between String,Stringbuffer and Stringbuilder

String plays major role in Java applications. Below table differentiates the String, StringBuffer and StringBuilder classes. And also address which class is suitable for which scenarios. StringBuilder is a class introduced in java 1.5 and we will see how it differs from String and StringBuffer.

String	StringBuffer	StringBuilder
String object is immutable	StringBuffer is mutable	StringBuilder is mutable
-	Synchronized	Unsynchronized
Suitable for Single thread as well as Multithread	Suitable for Single thread as well as Multithread	If it is single thread application better to use StringBuilder instead of String and StringBuffer
Not efficient compare to StringBuilder	Not efficient compare to StringBuilder	More efficient for single thread
-	-	Unsynchronized so it should be faster than String and StringBuilder