封装

class djjd
{
    public static void main(String args[])
    {
        can c=new can();
        c.a("张三");
        c.aa(-10);
        String in=c.talk();
        System.out.println(in);
        int ii=c.ta();
        System.out.println(ii);
        }
        }
    class can
    {
        private String name;
        private int i;
        public void a(String c)
        {
            name=c;
        }
        public void aa(int aaaa)
        {
            if(aaaa>0)
            {
                i=aaaa;
            }
            else
            {
                i=10;
                System.out.println("输入有误");
            }
        }
        public String talk()
        {
            return name;
        }
        public int ta()
        {
            return i;
        }
    }