public static boolean method1(String input, String seek) {
        //消息提醒
        System.out.println("限制输入类型为String类型字符串");
        //输出原字符串内容
        System.out.println("原字符串: " + input);
        //用于计数
        int count = 0;
        //遍历字符串
        for (int i = 0; i < input.length(); i++) {
            //count用于计算字符串的字符数量
            count++;
        }
        //将seek 赋值到 seek1
        String seek1 = seek;
        //indexOf 为java自带
        int a = input.indexOf(seek1);
        //
        System.out.println("字符串共" + count + "个");
        //设置初始返回值为false
        boolean b = false;
        //用于做判断 a != 1
        if (a != 1) {

            System.out.println("输入的字符串中包含: “" + seek + "” 这个内容");

            b = true;
            System.out.println(b);
        } else {

            System.out.println("输入的字符串中不包含: " + seek + " 这个内容");
            b = false;

        }

        return b;
    }
public static void main(String[] args) {


        method1("哈哈哈哈哈哈哈哈哈是", "是");
    }