What is the difference between String, StringBuilder, and StringBuffer in Java?

[petershene]

Hi all as the title already asks im working with Java i would like to know What is the difference is between String, StringBuilder, and StringBuffer in Java

 

[Astrologer Mahendhar]

String is immutable whereas StringBuffer and StringBuider are mutable classes. StringBuffer is thread safe and synchronized whereas StringBuilder is not, thats why StringBuilder is more faster than StringBuffer. String concat + operator internally uses StringBuffer or StringBuilder class.


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