숫자를 한글로 변환(금액단위)

static void getResult() {
    // 요구사항] 숫자를 입력받은뒤 한글로 출력하시오
    // 입력] ￦12,345
    // 출력] 금 일만이천삼백사십오원
    // 조건] 숫자는 7자리 이내
 
    // input//
    Scanner scan = new Scanner(System.in);
    String str = scan.nextLine();
 
    // validation//
    int value = Integer.parseInt(str);
    System.out.printf("입력하신 금액은 ... \n ￦%,d 입니다.\n", value);
    if (str.length() > 7) {
        System.out.println("입력가능 범위 초과(out of range)");
        return;
    }
 
    // output//
    System.out.print("금 ");
 
    for (int i = 0; i < str.length(); ++i) {
        System.out.print(translate(str.charAt(i), (str.length()) - i));
    }
 
    System.out.println(" 원");
}
 
static String translate(int number, int level) {
    String result = "";
    String won = "";
    String dan = "";
 
    switch (number) {
    case 48: won = ""; break;
    case 49: won = "일"; break;
    case 50: won = "이"; break;
    case 51: won = "삼"; break;
    case 52: won = "사"; break;
    case 53: won = "오"; break;
    case 54: won = "육"; break;
    case 55: won = "칠"; break;
    case 56: won = "팔"; break;
    case 57: won = "구"; break;
    }
    switch (level) {
    case 7: dan = "백만"; break;
    case 6: dan = "십만"; break;
    case 5: dan = "만"; break;
    case 4: dan = "천"; break;
    case 3: dan = "백"; break;
    case 2: dan = "십"; break;
    case 1: dan = ""; break;
    }
    result = won + dan;
    return result;
}
 
 
123456
입력하신 금액은 ... 
 ￦123,456 입니다.
금 일십만이만삼천사백오십육 원