Compare two integers print value ascending or descending order

package com.javahonk.algorithms;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class SortingTest implements Comparator<Integer> {

	static Boolean ascending = false;	

	public static void main(String[] args) {

	List<Integer> list = new ArrayList<Integer>();
	list.add(1);
	list.add(5);
	list.add(3);
	list.add(4);
	list.add(2);

	System.out.println("Unsorted list: " + list);
	// Sort list in descending order
	Collections.sort(list, new SortingTest());

	System.out.println("\nSorted list descending order: " + list);

	//Sort list in ascending order:
	SortingTest.ascending = true;
	Collections.sort(list, new SortingTest());
	System.out.println("\nSorted list ascending order: " + list);
	}

	@Override
	public int compare(Integer o1, Integer o2) {
		if (ascending) {
			return o1.intValue() - o2.intValue();
		} else {
			return o2.intValue() - o1.intValue();
		}

	}

}