import java.util.*;
import java.lang.*;
import java.io.*;
 
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		ArrayList<Integer> lista = new ArrayList<>();
        lista.add(432);
        lista.add(23);
        lista.add(18);
        lista.add(2);
        lista.add(100);
 
        System.out.println("Antes: " + lista);
        Collections.sort(lista, Collections.reverseOrder());
        System.out.println("Depois: " + lista);
	}
}

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