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|Interview Questions and Answers|
|Ans. Using comparable and comparator and sorted collections like TreeSet or TreeMap.|
use stream api from java 8 onwards which internally refers to comparable and comparator through lambda expressions
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|Like Discuss Correct / Improve  sort  sorting  comprator  comparable  treeset  treemap  sorting collections Asked in 1 Companies Basic   frequent|
| Collections.sort can only be performed on ..|
d. Any Collection implementation
|In what order the elements of a HashSet are retrieved ?|
|If I try to add Enum constants to a TreeSet, What sorting order will it use ?|
|Explain various Searching and Sorting Algorithms ?|
|Which sorting algorithm is used by Collections.sort() in Java ?|
|If we add Enum constants to a sorted collection ( Treemap , TreeSet ), What will be the order in which they will be maintained ?|
|Write an algorithm / java program for Heap Sort ?|
|Write any sorting algorithm.|
|Explain bubble sort.|
|Explain different sorting algorithms and Big O of each|