The string built using the String class are immutable (unchangeable), whereas, the ones built- using the StringBuilder class are mutable.

The string built using the String class are immutable (unchangeable),

1.	The string built using the String class are immutable (unchangeable), whereas, the ones built- using the StringBuilder class are mutable.
A.	1
B.
Answer» B.

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The string built using the String class are immutable (unchangeable), whereas, the ones built- using the StringBuilder class are mutable.

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