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Thread: Sorting a hash map based on its keys

  1. #1
    Junior Member
    Join Date
    Aug 2007
    Answers
    18

    Sorting a hash map based on its keys

    hi, can anyone tell me how to sort records in a hashmap based on its keys?


  2. #2
    Junior Member
    Join Date
    Oct 2007
    Answers
    5

    Re: Sorting a hash map based on its keys

    TreeMap map = new TreeMap(hashMap) takes care or ordering process


  3. #3
    Expert Member
    Join Date
    Mar 2012
    Answers
    208

    Re: Sorting a hash map based on its keys

    Sorting can be done by placing the hash map on to o tree map (TreeMap is sorted by nature)

    Map myMap = new HashMap();
    // put keys and values........
    Map sortedMap = new TreeMap(myMap);


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