Which of these is an oncorrect statement?
a) String objects are immutable, they cannot be changed.
b) String object can point to some other reference of String variable.
c) StringBuffer class is used to store string in a buffer for later use.
d) None of the mentioned

Which of these access specifiers can be used for a class so that it’s members can be accessed by a different class in the different package?
a) Public
b) Protected
c) Private
d) No Modifier