public static void main(String[] args) {
Breeder breeder = new Breeder();
Dog dog = breeder.breedDog();
dog.bark();
dog.fetch();
dog.bark();
dog.fetch();
}
public static void main(String[] args) {
Dog one = new Dog();
one.size = 70;
Dog two = new Dog();
two.size = 8;
Dog three = new Dog();
three.size = 35;
one.bark();
two.bark();
three.bark();
}
public static void main(String[] args) {
Animal a = new Animal();
Animal b = new Dog(); // b 是Animal 的一个引用 不用调用父类没有的方法 要想调用自己的方法 则需要创建本类的对象
a.move();
b.move();
Dog dog = new Dog();
dog.bark();
}
public static void main(String[] args) {
Dog dog1 = new Dog();
dog1.bark();
dog1.name = "Bart";
Dog[] myDogs = new Dog[3];
myDogs[0] = new Dog();
myDogs[1] = new Dog();
myDogs[2] = dog1;
myDogs[0].name = "Fred";
myDogs[1].name = "Marge";
System.out.println("last dog's name is ");
System.out.println(myDogs[2].name);
int x = 0;
while (x < myDogs.length) {
myDogs[x].bark();
x++;
}
}
public static void main(String[] args) {
Dog d = new Dog();
d.size = 40;
d.bark();
}
public static void main(String[] args) {
Dog[] dogs = {new Dog("Elyse", 3), new Dog("Sture", 9), new Dog("Artemesios", 15)};
Dog maxDog = (Dog) max(dogs);
maxDog.bark();
}