Hacker Rank: Finding Number of Adjacent Characters

 import java.util.ArrayList;

import java.util.Arrays;
import java.util.List;

public class FindingNumberOfAdjancentChracters {

    public static List<Integer> findNumberOfAdjacentCharacters(List<String> values){
        List<Integer> valuesList =new ArrayList<>();
        for(String str:values) {
            char[] c= str.toCharArray();

            int count=0;

            for(int i=0;i<c.length;i++){
                if(i>0 && c[i-1]==c[i]){
                    ++count;

                    i++;
                }
            }
            valuesList.add(count);
        }
        return valuesList;
    }

    public static void main(String[] args) {
        List<Integer> values =
                findNumberOfAdjacentCharacters(Arrays.asList("aabc","bac","bcca"));

        System.out.println(values);
    }
}