System.out.println("请输入你的信息：姓名--性别--身份证号");
        Scanner input_1 = new Scanner(System.in);
        System.out.print("name：");
        String name = input_1.next();
        Scanner input_2 = new Scanner(System.in);
        System.out.print("sex：");
        String sex = input_2.next();
        Scanner input_3 = new Scanner(System.in);
        System.out.print("id：");
        int id = input_3.nextInt();

        System.out.println("你输入的信息是:name:" + name + "; sex:" + sex + "; id:" + id);

------解决方案--------------------
一楼的方法是正确的//////