Question

What isString Buffer?​

Answer 1

Answer:

StringBuffer is a peer class of String that provides much of the functionality of strings. String represents fixed-length, immutable character sequences while StringBuffer represents growable and writable character sequences. StringBuffer may have characters and substrings inserted in the middle or appended to the end.

Answer 2

Answer:

A string buffer is like a String, but can be modified. It contains some particular sequence of characters, but the length and content of the sequence can be changed through certain method calls. They are safe for use by multiple threads. Every string buffer has a capacity

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