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what is the basic difference between string and stringbuffer object in java?

String: String is an object which is created by using String class. String objects are immutable and they can’t modified i.e. any change in the existing object will result into a new object.

StringBuffer: is a class in java whose object represents the mutable string. It is just like string class except that its object can be modified. StringBuffer is synchronized, hence it is thread-safe.

String is an objects are immutable while StringBuffer objects are mutable.

Java interview questions on string handling

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