Which of these class is superclass of string and stringbuffer class?
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✔✔✔✔Ur answer✔✔✔✔
⭐Therefore⭐ the other 2 classes are used. ✔✔The difference is that StringBuilder class is faster than StringBuffer class but it is not thread safe. ☺☺☺
✔✔In other words objects of StringBuilder class are not synchronized. ☺☺☺☺
✔✔All have ✔java.lang.✔Object as their superclass.☺☺☺☺
⭐Therefore⭐ the other 2 classes are used. ✔✔The difference is that StringBuilder class is faster than StringBuffer class but it is not thread safe. ☺☺☺
✔✔In other words objects of StringBuilder class are not synchronized. ☺☺☺☺
✔✔All have ✔java.lang.✔Object as their superclass.☺☺☺☺
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