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

Which of these operators is used to allocate memory to array variable in Java?
a) malloc
b) alloc
c) new
d) new malloc

Which of these keywords are used for the block to handle the exceptions generated by try block?
a) try
b) catch
c) throw
d) check

Which of these keyword can be used in subclass to call the constructor of superclass?
a) super
b) this
c) extent
d) extends