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|Java - Interview Questions and Answers|
|Ans. It won't create any problem if the objects are comparable i.e we have that class implementing Comparable interface.|
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|Like Discuss Correct / Improve  java   collections   treemap   comparable interface|
|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 ?|
|How TreeMap orders the elements if the Key is a String ?|
|Can we add heterogeneous elements into TreeMap ?|