확률을 퍼센트로 줘서 랜덤하게 뽑기

public static void main(String... args) {
   List<Integer> inputs = new ArrayList<Integer>(Arrays.asList(10, 30, 10, 20, 20, 10));
   int max = 100;
   for (Integer input : inputs) {
      max -= input;
   }
   if (max != 0) {
      System.out.println("invalid params");
      return;
   }
   inputs.add(0, 0);
   int rand = new Random().nextInt(100) + 1;
   int result = 0;
   int start = 0;
   int end = 0;
   for (int i = 0; i < inputs.size() - 1; i++) {
      start += inputs.get(i);
      end += inputs.get(i + 1);
      if (rand >= start && rand <= end) {
         result = i;
         break;
      }
   }
   System.out.println(rand + "::dd::" + result);
}