Question

急用谢谢！！！

Answer 1

/**
* 动物类
*/
public class Animal {

private double weight;//重量
private String name; //名字

public Animal() {
}

public Animal(double weight, String name) {
this.weight = weight;
this.name = name;
}

public double getWeight() {
return weight;
}

public void setWeight(double weight) {
this.weight = weight;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public void show() {
System.out.println(getName() + "有" + getWeight() + "千克");
}
}

/**
* 动物园类
*/
public class Zoo {

public static void main(String[] args) {
Animal cat = new Animal(5,"cat");
Animal dog = new Animal(10,"dog");
cat.show();
dog.show();
cat.setName("小花");
dog.setName("小黑");
cat.setWeight(10);
dog.setWeight(20);
cat.show();
dog.show();
}
}

Answer 2

收费给你操作

Answer 3

急用啥呀急用告诉我一下呀