We know that strings are immutable or constants but string builder and string buffer are basically used to provide dynamic implementation of strings.but string builder is not thread safe that means ...

Stringbuffer:as we know in java string is immutable means we cannot reassign a new value to the same string object. that's why in java to provide mutability we use either stringbuffer or stringbuilder ...

StringBuilder and StringBuffer : These are Mutable String classes. StringBuilder and StringBuffer are classes in Java used for creating and manipulating mutable strings (strings that can be modified ...

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