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1£º¸¸ÀàΪ¶¯ÎïÀ࣬£¨color£¬name£¬age ÊôÐÔ£©£»Ã¨ÄØ»¹ÓÐÅÀÐи߶ȵÄÊôÐÔ£¨height£©£¬ÓãÓÐÓÎÓ¾ËٶȵÄÊôÐÔ£¨speed£©£¬ÓÃÀàÃèÊöËûÃÇÖ®¼äµÄ¹ØÏµ£¬²¢½«¸÷ÖÖ¶¯ÎïµÄÊôÐÔÖµ´òÓ¡µ½ÆÁÄ»ÉÏ/£¨ÎÒд×ÅдמͲ»»áÁË£º
public class Animal{
public String color;
public double age;
public String name;
}
class Cat extends Animal{
public double height;
}
class Fish extends Animal{
public double speed;}
//£¨color age µÈÊôÐÔÇ°ÃæÒ»¶¨Òª¼ÓpublicÂð£¿Ôõôдmain·½·¨°¢ £¬»¹ÓÐÎÒдµÄÕ⼸¸öÊôÐÔÊDz»ÊÇȱµãʲô set£¬getʲôµÄ°¢£¿£¿

2£ºÒªÇóÒ»¸öÊýµÄ½×³Ë£¬ÎÒÏëÏÈ´Ó¼üÅÌÊäÈëÒ»¸öÊý£¬È»ºóÒýÓÃÒ»¸ö·½·¨Ç󣬿ÉÊÇҲд×ÅдמͲ»ÖªµÀÔõôдÁË
public class Test9{
public static void main(String[]args){
scanner in=new Scanner(System.in);
System.out.print("please input a number!");
int x=in.nextInt();
System.out.println(Jc£¨x£©);  //ÎÒÕâÑùдÊÇÒýÓÃJc£¨½×³Ë·½·¨Âð£©
}
}
//д·½·¨£¬·½·¨Ò²²»»á

  public Jc{  //·½·¨ ÊÇÓÃclass¶¨Ò廹ÊÇÓÃpublic¶¨Òå°¡£¿
  int i;
  int x;
  for(i>=0;i--){
    x=x*i;
  }
  Jc(i)=x;
}

//ÎÒ´òÑÛÒ»¿´¾ÍÖªµÀ´íÎóºÜ¶à£¬µ«ÊDz»ÖªµÀÔõô¸Ä ,»¹ÓÐÎÒÎʵÄÎÄ×ÖÎÊÌâ°ïæ½â´ð


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request.setCharacterEncoding("UTF-8");

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