src/main/java/com/fishercoder/solutions/_293.java

package com.fishercoder.solutions;

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

public class _293 {

    public static class Solutoin1 {
        public List<String> generatePossibleNextMoves(String s) {
            List<String> result = new ArrayList<>();
            for (int i = 1; i < s.length(); i++) {
                if (s.charAt(i) == '+' && s.charAt(i - 1) == '+') {
                    result.add(s.substring(0, i - 1) + "--" + s.substring(i + 1));
                }
            }
            return result;
        }
    }
}