In Java, what does the statement Integer width $=2$; imply?

a$.$ width is a variable directly storing the value $2$ in memory.

b$.$ width is a reference to an object in memory that contains the value $2.$

c$.$ width is a primitive type that cannot be an obiect.

d$.$ width is the name of a method that returns an integer value.

e$.$ width is an error because Integer should be replaced with int.