水王

 public static void main(String[] args) {

        //测试数据

        String[] ids ={"111","111","112","113","111","114","111","118","114","111","111"};;

        //记录水王的ID

        String id = "";

        //记录每个ID出现的次数

        int intTimes=0;

        for (String s : ids) {

            if (intTimes == 0) {

                id = s;

                intTimes += 1;

            } else {

                if (id.equals(s)) {

                    intTimes  = intTimes + 1;

                } else {

                    intTimes  = intTimes - 1;

                }

            }

        }

        System.out.println(id + ","+intTimes);

}

 

 结果：