||Arrays are fixed in size and hence once we created an
array we are not allowed to increase or decrease the size based on our
||Collections are growable in nature and hence based on
our requirement we can increase or decrease the size.
||Memory point of view arrays are not recommended to use.
||Memory point of view collections are recommended to use.
||Performance point of view arrays are recommended to use.
||Performance point of view collections are not recommended
||Arrays can hold only homogeneous elements.
||Collections can hold both homogeneous and heterogeneous
||Arrays can hold both primitives as well as objects.
||Collections can hold only objects.
||For any requirement, there is no ready method support
compulsory programmer has to code explicitly.
||For every requirement ready made method support is available.
Being a programmer we have to know how to use those methods and we are
not responsible to implement those.