Java Data Type - 如何将String转换为HashMap

import java.util.HashMap;
import java.util.Map;

public class Main {
    static Map<String, Integer> count = new HashMap<String, Integer>();

    public static void main(String[] args) {
        addToCountMap("This is my test This is my test This is my test ");
        System.out.println(count);
    }

    private static void addToCountMap(String test) {
        String[] split = test.split(" ");
        for (String string : split) {
            if (!count.containsKey(string)) {
                count.put(string, 0);
            }
            count.put(string, count.get(string) + 1);
        }
    }
}