Get the next element from given inputs - Java Quiz Question

Write a program to get the next element from given inputs by using one of the TreeSet methods.
Note the elements in TreeSet by default sorted in ascending order.

Input (TreeSet, Integer)	Output (Integer)
[15, 25, 99, 40, 10, 20, 30], 20	25
[7, 2, 8, 3, 1, 4, 5, 6], 0	1
[412, 410, 402, 404, 405, 406, 409, 411], 412	null
[10, 20, 26, 22, 90, 11, 15], 91	null
null	null


			import java.util.*;

			class GetNextElement 
 { 

			    public static void main(String s[])
    {
        TreeSet input = new TreeSet();
        input.add(1);
        input.add(3);
        input.add(2);
        input.add(6);
        input.add(5);
        input.add(4);
        System.out.println("The next element is : " + getNextElement(input, 4));

    }
 
			

			

					    public static Integer getNextElement(TreeSet input, Integer element) {

Topic: Java TreeSet - TreeSet Examples in Java

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