import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

public class Test {

    public static void main(String[] args) {
        String str = "FI:Z;P,SC,BE,CT";
        Map<String, List<String>> map = process(str);
        
        // 遍历输出
        for(Map.Entry<String, List<String>> entry : map.entrySet()) {
            System.out.println(entry.getKey());
            List<String> list = entry.getValue();
            if(list.size() > 0) {
                for(String s : list) {
                    System.out.println("  " + s);
                }
            }else{
                System.out.println("  <null>");
            }
        }
    }
    
    public static Map<String, List<String>> process(String str) {
        String[] step1 = str.split(",");
        Map<String, List<String>> map = new LinkedHashMap<String, List<String>>();
        for(String s : step1) {
            String[] step2 = s.split(":");
            List<String> list = new ArrayList<String>();
            if(step2.length > 1) {
                String[] step3 = step2[1].split(";");
                list = Arrays.asList(step3);
            }
            map.put(step2[0], list);
        }        
        return map;
    }
}