java 动物类继承 Bird Dog Fish

classDiagram示意图

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.edge-pattern-dashed{stroke-dasharray:3}#mermaid-svg-pZKuurOikQUP2BQ8 .edge-pattern-dotted{stroke-dasharray:2}#mermaid-svg-pZKuurOikQUP2BQ8 .marker{fill:#333}#mermaid-svg-pZKuurOikQUP2BQ8 .marker.cross{stroke:#333}:root { --mermaid-font-family: "trebuchet ms", verdana, arial;} #mermaid-svg-pZKuurOikQUP2BQ8 {color: rgba(0, 0, 0, 0.75);font: ;} Animal -byte legs -byte hands -byte age -String color -String name +setter() +getter() Bird -String wing +String getWing +void setWing +void fly Fish -String surface +String getSurface +void setSurface +void swimming Dog -byte voice +byte getVoice +void setVoice +void run

Animals

public class Animals {// property :private byte legs;private byte hands;private byte age;private String color;private String name;// setter getter methodpublic byte getLegs() {return legs;}public void setLegs(byte legs) {this.legs = legs;}public byte getHands() {return hands;}public void setHands(byte hands) {this.hands = hands;}public byte getAge() {return age;}public void setAge(byte age) {this.age = age;}public String getColor() {return color;}public void setColor(String color) {this.color = color;}public String getName() {return name;}public void setName(String name) {this.name = name;}// methodpublic void eat(){System.out.print("It can eat food, ");}public void sleep(){System.out.println("can sleep.");}}

Bird

public class Bird extends Animals {private String wing;public String getWing() {return wing;}public void setWing(String wing) {this.wing = wing;}public void fly(){System.out.println("It can fly in sky.");}}

Dog

public class Dog extends Animals {private byte voice;public byte getVoice() {return voice;}public void setVoice(byte voice) {this.voice = voice;}public void run() {System.out.println("It can run fast");}
}

Fish

public class Fish extends Animals {private String surface;public String getSurface() {return surface;}public void setSurface(String surface) {this.surface = surface;}public void swimming() {System.out.println("It can swimming.");}
}

Main

import static javax.swing.JRootPane.NONE;public class Main {public static void main(String[] args) {Bird bird = new Bird();bird.setName("Melanocy phamongollca 百灵鸟 Lark Bird");bird.setAge((byte) 3);bird.setLegs((byte) 2);bird.setHands((byte) 2);bird.setColor("blue");bird.setWing("have swing");System.out.println("Name: " + bird.getName() + ", Age: " + bird.getAge() +", Legs: " + bird.getLegs() + ", Hands: " + bird.getHands() +", Speciality: " + bird.getWing());bird.eat();bird.sleep();bird.fly();Dog dog = new Dog();dog.setName("Chinese rural dog 中华田园犬");dog.setAge((byte) 2);dog.setLegs((byte) 4);dog.setHands((byte) NONE);dog.setColor("white");dog.setVoice((byte) 70);System.out.println("Name: " + dog.getName() + ", Age: " + dog.getAge() +", Legs: " + dog.getLegs() + ", Hands: " + dog.getHands() +", Speciality: howl " + dog.getVoice() + "dB");dog.eat();dog.sleep();dog.run();Fish fish = new Fish();fish.setName("Carassius auratus 金鱼 Gold Fish");fish.setAge((byte) 1);fish.setLegs((byte) NONE);fish.setHands((byte) 2);fish.setColor("Gold");fish.setSurface(" Colorful and Beautiful");System.out.println("Name: " + fish.getName() + ", Age: " + fish.getAge() +", Legs: " + fish.getLegs() + ", Hands: " + fish.getHands() +", Speciality: Looks" + fish.getSurface());fish.eat();fish.sleep();fish.swimming();}
}

运行结果

Name: Melanocy phamongollca 百灵鸟 Lark Bird, Age: 3, Legs: 2, Hands: 2, Speciality: have swing
It can eat food, can sleep.
It can fly in sky.
Name: Chinese rural dog 中华田园犬, Age: 2, Legs: 4, Hands: 0, Speciality: howl 70dB
It can eat food, can sleep.
It can run fast
Name: Carassius auratus 金鱼 Gold Fish, Age: 1, Legs: 0, Hands: 2, Speciality: Looks Colorful and Beautiful
It can eat food, can sleep.
It can swimming.