Program to Sort Set by using TreeSet(by default elements are sorted in ascending order), where elements are Integer type

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TreeSet is sorted by natural order of elements (i.e. in ascending order).

import java.util.TreeSet; import java.util.Set; /** * @author AnkitMittal * Copyright (c), AnkitMittal JavaMadeSoEasy.com * Main class */ public class SortSet {    public static void main(String...a){        Set<Integer> treeSet = new TreeSet<Integer>();        treeSet.add(3);        treeSet.add(1);        treeSet.add(2);        System.out.println("treeSet : "+treeSet);           } } /*OUTPUT treeSet : [1, 2, 3] */

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