Collections1772 - Java Quiz Question

What will be the output of the following program?

import java.util.*;
public class Printer {
    public static void main(String args[]) {
        List<Integer> list = new ArrayList<Integer>();
        list.add(25);    list.add(30);
        list.add(35);    list.add(40);
        list.add(45);
        Set<Integer> s = new TreeSet<Integer>();
        s.add(20);    s.add(35);
        s.add(55);    s.add(35);
        s.add(45);
        for (int i = 0; i < list.size(); i++) {
            if (!s.add(list.get(i)))
                System.out.print(list.get(i) + ",");
        }
        System.out.println("\n" + s);
    }
}

	35,45, [20, 35, 55, 45, 25, 30, 40]
	35,45, [20, 25, 30, 35, 40, 45, 55]
	20,25,30,35,40,45,55 [35, 45]
	Some other output
	Compilation Error or Runtime Error

Topic: Java TreeSet - TreeSet Examples in Java

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