Instructions

Solution:

package codewars.jan;//--https://www.codewars.com/kata/5853213063adbd1b9b0000be/train/java//--https://www.codewars.com/kata/street-fighter-2-character-selection-part-2/train/javaimport java.util.*;public class StreetFighter2 {	private static String left(int i, int j, String[] arr) {		int to = j;		while (true) {			to--;			if (to == -1) {				to = arr.length - 1;			}			if (!"".equals(arr[to])) {				break;			}		}		return String.format("%d%d%s", i, to, arr[to]);	}	private static String right(int i, int j, String[] arr) {		int to = j;		while (true) {			to++;			if (to == arr.length) {				to = 0;			}			if (!"".equals(arr[to])) {				break;			}		}		return String.format("%d%d%s", i, to, arr[to]);	}	public static String[] superStreetFighterize(String[][] fighters,			int[] position, String[] moves) {		Map
    
      map = new HashMap
     
      ();		final int rows = fighters.length;		final int cols = fighters[0].length;		for (int i = 0; i < rows; i++) {			for (int j = 0; j < cols; j++) {				String fighter = fighters[i][j];				if ("".equals(fighter)) {					continue;				}				if (i == 0) {					map.put(String.format("%d,%d-up", i, j),							String.format("%d%d%s", i, j, fighters[i][j]));				} else if ("".equals(fighters[i - 1][j])) {					map.put(String.format("%d,%d-up", i, j),							String.format("%d%d%s", i, j, fighters[i][j]));				}				else {					map.put(String.format("%d,%d-up", i, j), String.format(							"%d%d%s", i - 1, j, fighters[i - 1][j]));				}				if (i == rows - 1) {					map.put(String.format("%d,%d-down", i, j),							String.format("%d%d%s", i, j, fighters[i][j]));				} else if ("".equals(fighters[i + 1][j])) {					map.put(String.format("%d,%d-down", i, j),							String.format("%d%d%s", i, j, fighters[i][j]));				}				else {					map.put(String.format("%d,%d-down", i, j), String.format(							"%d%d%s", i + 1, j, fighters[i + 1][j]));				}				map.put(String.format("%d,%d-left", i, j),						left(i, j, fighters[i]));				map.put(String.format("%d,%d-right", i, j),						right(i, j, fighters[i]));			}		}		List
      
        list = new ArrayList
       
        ();		String[] current = new String[] { String.valueOf(position[0]),				String.valueOf(position[1]) };		for (int i = 0; i < moves.length; i++) {			String value = map.get(String.format("%s,%s-%s", current[0],					current[1], moves[i]));			list.add(value.substring(2));			current[0] = String.valueOf(value.charAt(0));			current[1] = String.valueOf(value.charAt(1));		}		return list.toArray(new String[0]);	}}