Essentially, string keyword is an alias for System.String class. String objects are immutable (i.e. they cannot be changed after they have been created) whereas StringBuilder is mutable(i.e. they can ...

Difference Between String and StringBuffer Class in Java : String and StringBuffer both are the classes which operate on strings. The object of String class is of fixed length. The object of the ...

A String object is immutable. A StringBuffer object is like a String object but can be modified. A string buffer is a sequence of characters but the length and content of the sequence can be changed ...