5 Responses

  1. jessi
    jessi October 28, 2013 at 6:05 pm | | Reply

    perfect teaching

  2. Sumit Arora
    Sumit Arora October 18, 2015 at 12:17 pm | | Reply

    Thanks for this long article, Its perfect , really liked it.

  3. rob
    rob January 11, 2016 at 2:00 pm | | Reply

    “If we want to represent a group of individual objects on a single entity where duplicates aren’t allowed and insertion order is preserved then we have to go for List”
    It is not true. Lists allows duplicate elements! Set doesn’t allow duplicate elements, be careful!

  4. ivo
    ivo January 5, 2017 at 2:06 am | | Reply

    LinkedHashSet extends from HashSet, and LinkedHashMap extends from HashMap

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