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Ans. 1 111 2 TreeSet maintains the elements in the ascending order which is identified by the compareTo method. compareTo method in String has been defined such that it results in the natural alphabetic Order. Here the elements in the TreeSet are of String and not of Integer. In String Natural Order, 111 comes before 2 as ascii of 1st character first determines the order. | ||||
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![]() or What is the difference between String , StringBuilder and StringBuffer ? | ||||
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