设计一个动物类，它包含动物的基本属性。例如名称、身长、质量等，并设计相应的动作，例如跑、跳、走等。

/** * Animal.java */package animal;public class Animal { private String name; //名称 private int bodySize; //大小 private float weight; //体重 public Animal (String name, int bodySize, float weight) { this.name = name; this.bodySize = bodySize; this.weight = weight; } public void run () { //跑 System.out.println("I'm running!"); } public void jump () { //跳 System.out.println("I'm jumping!"); } public void walk () { //走 System.out.println("I'm walking!"); } public String getName () { return name; } public int getBodySize () { return bodySize; } public int getWeight () { return weight; } public String toString () { return ("I'm a " + name + ", my b