| 2 | public class Main |
| 3 | { |
| 4 | public static void main(String[] args) |
| 5 | { |
| 6 | String input = "24"; |
| 7 | |
| 8 | HashMap<Character,String> map = new HashMap<>(); |
| 9 | map.put('2',"abc"); |
| 10 | map.put('3',"def"); |
| 11 | map.put('4',"ghi"); |
| 12 | map.put('5',"jkl"); |
| 13 | map.put('6',"mno"); |
| 14 | map.put('7',"pqr"); |
| 15 | map.put('8',"stuv"); |
| 16 | map.put('9',"wxyz"); |
| 17 | |
| 18 | int n = input.length(); |
| 19 | ArrayList<String> r = solve(map,input,n); |
| 20 | |
| 21 | for(int i=0;i<r.size();i++) |
| 22 | { |
| 23 | System.out.println(r.get(i)); |
| 24 | } |
| 25 | |
| 26 | } |
| 27 | |
| 28 | public static ArrayList<String> solve(HashMap<Character,String> map,String input,int n) |
| 29 | { |