编辑代码

import java.io.*;
class Main {
/*
    private String name;
    private int age;

    public String setname()throws IOException{
        //String name;
        System.out.println("请输入小狗的名字：");
        name = (char)System.in.read();
        return name;
    }

    public int setage()throws IOException{
        //int age;
        System.out.println("请输入小狗的年龄：");
        age = (int)System.in.read();
        return age;
    }

    //public String getname(name){
    //    this.name = name ;
    //}

    //public int getage(age){
    //    this.age = age ;
    //}         
*/

	public static void main(String[] args) throws IOException{
        int age ;
        Main dog = new Main();
        System.out.println("请输入小狗的年龄：");
        age = (int)System.in.read();
		//System.out.println("小狗的名字是："+dog.getname());
        System.out.println("小狗的年龄是："+age);
	}
}