java初学圈套

java初学陷阱

public class Animal {String animalName;int animalAge;double animalWeight;public String getAnimalName() {return animalName;}public void setAnimalName(String animalName) {this.animalName = animalName;}public int getAnimalAge() {return animalAge;}public void setAnimalAge(int animalAge) {this.animalAge = animalAge;}public double getAnimalWeight() {return animalWeight;}public void setAnimalWeight(double animalWeight) {this.animalWeight = animalWeight;}public Animal(String animalName, int animalAge, double animalWeight) {this.setAnimalName(animalName);this.setAnimalAge(animalAge);this.setAnimalWeight(animalWeight);}public static void main(String[] args) {Animal[] animals ={new Animal("dog", 10, 50.6),new Animal("cat", 11, 60.2),new Animal("horse", 20,30.2)};for (int i = 0; i < animals.length; i++) {System.out.println("animalName is "+animals[i].animalName +"\n"+"animalAge is "+animals[i].animalAge +"\n"+"animalWeight is "+animals[i].animalWeight +"\n\n");}}