Coding question - 1. Create a immutable class of orders. What happens when two objects are created out of it. 2.Using the immutable orders create a set of orders and how will you sort these out. 3.Given a List of list of string of integers , find the average of each list?

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Accepted Answer

Creating immutable class of orders, sorting orders, finding average of lists of integers.

Create an immutable class Orders with private final fields and no setter methods.
Override equals() and hashCode() methods to ensure uniqueness of objects.
Use Collections.unmodifiableSet() to create a set of orders and Collections.sort() to sort them.
Iterate through the List of List of String of integers, convert to integers, and calculate average for each list.

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Coding question - 1. Create a immutable class of orders. What happens when two objects are created out of it. 2.Using the immutable orders create a set of orders and how will you sort these out. 3.Given a List of list of string of integers , find the average of each list?

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