使用java使用Map集合来做一个不同姓氏人数的统计

来做一个不同姓氏人数的统计"/>

使用java使用Map集合来做一个不同姓氏人数的统计

package d4;import java.util.HashMap;
import java.util.Map;public class NameStatistics {public static void main(String[] args) {String[] name = new  String[]{"凌不疑","凌宜","程少商","程止","程承","程始","程颂","程少宫","程姎","万萋萋","万松柏","楼垚","楼犇"};Map map = new HashMap<>();String ling = null;String cheng = null;String wan = null;String lou = null;int num = 0;int num1 = 0;int num2 = 0;int num3 = 0;for (int i =0 ; i<name.length;i++) {if (name[i].contains("张")){ling = name[i];num++;}if (name[i].contains("李")){cheng = name[i];num1++;}if (name[i].contains("