编写一个Animal类,具有属性:种类;具有功能:吃、睡。定义其子类Fish

package zhongqiuzuoye;

public class Animal {

    //属性

    private String type;

    public String getType() {
return type;
} public void setType(String type) {
this.type = type;
} //功能
public void eat()
{
}
public void sleep()
{
} }
package zhongqiuzuoye;

public class Fish extends Animal{

    public void eat()
{
System.out.println(getType()+" 吃");
}
public void sleep()
{
System.out.println(getType()+" 睡");
} }
package zhongqiuzuoye;

public class Dog extends Animal{

    public void eat()
{
System.out.println(getType()+"吃");
}
public void sleep()
{
System.out.println(getType()+"睡");
} }
package zhongqiuzuoye;

public class TestAnamal {

    public static void main(String[] args) {
// TODO 自动生成的方法存根 Fish f=new Fish();
f.setType("鱼");
f.eat();
f.sleep(); Dog d=new Dog();
d.setType("狗");
d.eat();
d.sleep(); }
}

java基础—继承题目:编写一个Animal类,具有属性:种类;具有功能:吃、睡。定义其子类Fish-LMLPHP

04-14 04:28