Reformat Date

class Solution {
    public String reformatDate(String date) {
        String[] dates = date.split(" ");
        String res = dates[2];
        switch(dates[1]){
            case "Jan":
                res+="-01";
                break;
            case "Feb":
                res+="-02";
                break;
            case "Mar":
                res+="-03";
                break;
            case "Apr":
                res+="-04";
                break;
            case "May":
                res+="-05";
                break;
            case "Jun":
                res+="-06";
                break;
            case "Jul":
                res+="-07";
                break;
            case "Aug":
                res+="-08";
                break;
            case "Sep":
                res+="-09";
                break;
            case "Oct":
                res+="-10";
                break;
            case "Nov":
                res+="-11";
                break;
            default:
                res+="-12";
                break;
                
        }
        String temp = "";
        for(int i = 0; i<dates[0].length(); i++){
            if(Character.isLetter(dates[0].charAt(i))){
                break;
            }
            temp+=dates[0].charAt(i) + "";
        }
        if(temp.length() == 2){
            res += "-" + temp;
        }
        else{
            res += "-0"+temp;
        }
        return res;
    }
}