Write a Vector method, index Of, that returns the index of an object in the Vector. What should the method return if no object that is equals to this object can be found? What does java.lang.Vector do...

Write a Vector method, index Of, that returns the index of an object in the Vector. What should the method return if no object that is equals to this object can be found? What does java.lang.Vector do in this case? How long does this operation take to perform, on average?

Write a class called Bit Vector that has an interface similar to Vector, but the values stored within the Bit Vector are all known to be boolean (the primitive type). What is the primary advantage of having a special-purpose vector, like Bit Vector?