Greedy Algorithms are a class of algorithms that make locally optimal choices at each step with the hope of finding a globally optimal solution. They are used in optimization and decision-making problems where a series of choices need to be made to achieve the best overall result.
Instead of using Comparator, we can also use lambda function :
Collections.sort(meet, (m1, m2) -> (m1.end - m2.end));
, Maximum Meetings in One Room :
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