import com.google.common.collect.Ordering;

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

public class CollectionUtils {
    public static <T extends Comparable> List<T> sort(List<T> unsortedList) {
        List<T> everyday = new ArrayList<>(unsortedList);
        boolean ordered = Ordering.natural().isOrdered(everyday);

        while (!ordered) {
            Collections.shuffle(everyday); // Everyday I'm shufflin'
            ordered = Ordering.natural().isOrdered(everyday);
        }

        return everyday;
    }
}

@@ -126,16 +126,22 @@
 %0Apublic 
+final 
 class Co
@@ -156,16 +156,64 @@
 Utils %7B%0A
+    %0A    private CollectionUtils() %7B%0A    %7D%0A    %0A
     publ

Make CollectionUtils final