遍历map输出String数组

public class test01 {
	
	public static void main(String[] args) {
		
    	List<Map<String, Object>> list01 = new ArrayList<Map<String, Object>>();
    	List<Map<String, Object>> list02 = new ArrayList<Map<String, Object>>();
    	Map map01 = new HashMap<String, Object>();
    	map01.put("1","01");
    	list01.add(map01);
    	Map map02 = new HashMap<String, Object>();
    	map02.put("2","02");
    	list01.add(map02);
    	Map map03 = new HashMap<String, Object>();
    	map03.put("3","03");
    	list01.add(map03);
    	Map map04 = new HashMap<String, Object>();
    	map04.put("4","04");
    	list01.add(map04);
    	Map map05 = new HashMap<String, Object>();
    	map05.put("5","05");
    	list02.add(map05);
    	Map map06 = new HashMap<String, Object>();
    	map06.put("6","06");
    	list02.add(map06);
    	Map map07 = new HashMap<String, Object>();
    	map07.put("7",list02);
    	list01.add(map07);
    	
    	String[][] strData = getStringArr(list01);
    	
    	for (int i = 0; i < strData.length; i++) {
    		for (int j = 0; j < strData[i].length; j++) {
    			System.out.println(strData[i][j]);
    		}
    	}
    	
	}
	
	private static String[][] getStringArr(List<Map<String, Object>> list) {
		String strResult = "";
    	String[] strArrSplit = listToStringArr(list, strResult).split(">");
    	String[][] strData = new String[strArrSplit.length][];
    	for (int i = 0; i < strArrSplit.length; i++) {
    		strData[i] = strArrSplit[i].split(",");
    	}
    
    	return strData;
	}
	
	private static String listToStringArr(List<Map<String, Object>> list, String strResult) {
    	
    	Map<String, Object> map = new HashMap<String, Object>();
    	
    	for (int i = 0; i < list.size(); i++) {
    		map = (Map<String, Object>)list.get(i);
    		Set<String> setMap = map.keySet();
    		Iterator<String> it = setMap.iterator();
    		while(it.hasNext()) {
    			String strKey = it.next();
    			Object strValue = map.get(strKey);
    			if (strValue instanceof List) {
    				listToStringArr((List<Map<String, Object>>)strValue, strResult);
    			} else {
    				strResult += strKey + "," + String.valueOf(strValue) + ">";
    			}
    		}
    	}
    	
    	return strResult;
    }
}