public class FuZhi {public static void main(String[] args) {System.out.println(isCh("中国Chin不454848787987987987号".toCharArray()));}public static String isCh(char[] cs){String s="";for(int i=0;iif (cs[i] >= 19968 && cs[i] <= 171941) {// 汉字范围 \u4e00-\u9fa5 (中文)s+=cs[i];}}return s;}}