S.no Collection API Stream API
1. Collection API is for storing the data in the different kinds of data structures. Stream API is not a data structure; it is used for computation of the data on the big set of objects
2. A finite number of elements can be stored in a data structure An infinite number of features can be stored
3. Consumption of elements is multiple times Consumption of elements is only once.
BY Best Interview Question ON 02 Feb 2020