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|Interview Questions and Answers|
|Ans. As String implements Comparable, It refers to the String compareTo method to identify the order relationship among those elements.|
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|Like Discuss Correct / Improve  java   collections   comparable interface   treemap   compareto|
|Difference between TreeMap and HashMap ?|
| Which of the following collections stores its elements in insertion Order ? |
|What is comparator interface used for ?|
|Which of the following collection maintain its elements in Natural Sorted order ?|
|Which are the sorted collections ?|
|How can we reverse the order in the TreeMap ?|
|TreeMap orders the elements on which field ?|
|Can we add heterogeneous elements into TreeMap ?|
|Will it create any problem if We add elements with key as user defined object into the TreeMap ?|