How to Make Comparator?

Define the comparison criteria

Identify the properties to compare

Choose the ordering direction

Implement the comparison logic

Return a negative value if the first item is less than the second

Return zero if both items are equal

Return a positive value if the first item is greater than the second

Handle null or missing values consistently

Ensure the comparison is transitive

Ensure the comparison is antisymmetric

Ensure the comparison is consistent with equality

Test the comparator with sample data

Use the comparator in sorting or ordering operations

Suggested for You

Trending Today