Force buckle 1189 Maximum number of "balloons"

Title source ：https://leetcode-cn.com/problems/maximum-number-of-balloons/

General meaning ：
Give a string , Find out how many words the letters can form balloon

Ideas

1. Traversal string , Statistics balloon Number of corresponding letters
2. Returns the least number of letters in the statistics

public int maxNumberOfBalloons(String text) {
    
        int[] count = new int[5];
        int n = text.length();
        for (int i = 0; i < n; i++) {
    
            char c = text.charAt(i);
            switch (c) {
    
                case 'b':
                    count[0]++;
                    break;
                case 'a':
                    count[1]++;
                    break;
                case 'l':
                    count[2]++;
                    break;
                case 'o':
                    count[3]++;
                    break;
                case 'n':
                    count[4]++;
                    break;
                default:
                    break;
            }
        }
        count[2] /= 2;
        count[3] /= 2;
        return Arrays.stream(count).min().getAsInt();
    }