/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public static void main (String[] args) throws java.lang.Exception {
        int count;
        List<String> r = Arrays.asList("Black","Den","Alex","Pon","Sofia","Delta","Maria");
 
        count=0;
        for(int j=0;j<r.size();j++) {
            count++;
            for(int i=r.size()-1;i>j;i--) {
                if(r.get(i).compareTo(r.get(i-1))<0) {
                    Collections.swap(r, i, i-1);
                }
            }
        }
        System.out.println(r);
    }
}

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