java入门第二季--继承--java中的final和super

finalsuper/javaDemo3/src/com/imooc/Animal.javapackage com.imooc;public class Animal { public int age = 10; public String name; public void eat() { System.out.println(“年龄:"+age+ “动物可以吃东西” ); } public Animal() { age = 20; System.out.println(“Animal类执行了” ); }}/javaDemo3/src/com/imooc/Dog.javapackage com.imooc;public class Dog extends Animal { public int age = 20; public void eat() { System.out.println(“年龄:"+age+ “狗可以吃东西” ); } public Dog() { System.out.println(“Dog类执行了” ); } public void method() { System.out.println(age); System.out.println(“super” + super.age); eat(); super.eat(); }}/javaDemo3/src/com/imooc/Initail.javapackage com.imooc;public class Initail { public static void main(String[] args) { // TODO Auto-generated method stub Animal animal = new Animal(); System.out.println(“animal的age:” + animal.age ); Dog dog = new Dog(); dog.age = 10; dog.name = “aa”; dog.eat(); dog.method(); }}