编写跑、游泳两个接口

public interface Running {
int weight=48;
float running();
}
public interface Swimming {
public final int weight=60;
public abstract float swimming();
}
public abstract class Animals {
protected String name(){
return "jiajia";
}
abstract void cry();
}
public class People extends Animals implements Running, Swimming {
String name="huahua";
public float swimming() {
float speed=30;
return speed;
}
public float running() {
        float speed=200;
return speed;
}
void cry(){
System.out.println(super.name()+"哭的声音是呜呜呜……");
}
public static void main(String [] args){
Animals she=new People();//上转型对象