package com.fengzhuang;
/*** @author yutianbao* @param* @date 2019/3/13 22:04* @return* @Motto: good good study,day day up*/
public class FengZhuang {/*封装：将类的某些信息隐藏在类内部，不允许外部程序直接访问，而是通过该类提供的方法来实现对隐藏信息的访问。*/// 实现封装分三步//1.修改属性的可见性：将属性私有化private String name;private int age;private String phoneNo;//2.创建setter/getter方法//给name赋值public String getName() {return this.name;}//取name值public void setName(String name) {this.name = name;}public int getAge() {return this.age;}//3.添加对属性操制作的限制public void setAge(int age) {if(age>0&&age<=150){this.age = age;}else{System.out.println("您输入的年龄错误！");this.age = 25;}}public String getPhoneNo() {return this.phoneNo;}public void setPhoneNo(String phoneNo) {if(phoneNo.length()==11){this.phoneNo = phoneNo;}else{System.out.println("您输入的手机号错误！");this.phoneNo = "1xx xxxx xxxx" ;}}public void print(){System.out.println("我的名字是;"+this.getName()+",年龄是："+this.getAge()+",手机号是："+this.getPhoneNo());}}

package com.fengzhuang;
/*** @author yutianbao* @param* @date 2019/3/13 22:08* @return* @Motto: good good study,day day up*/
public class Test {public static void main(String[] args){//FengZhuang fez = new FengZhuang("蒋辉煌",25,"18975742300");FengZhuang fez = new FengZhuang();fez.setName("余与");fez.setAge(160);fez.setPhoneNo("13632908564");fez.print();}}　

package com.extend;
/*** 宠物类，狗狗和企鹅的父类*/
public class Pet {private String name = "无名氏";// 昵称private int health = 100;// 健康值private int love = 20;// 亲密度/*** 无参构造方法*/public Pet() {System.out.println("父类无参构造方法");}/*** 有参构造方法* @param name  昵称*/public Pet(String name,int health,int love) {this.name = name;this.health = health;this.love = love;System.out.println("父类有参构造方法");}public String getName() {return name;}public void setName(String name) {this.name = name;}public int getHealth() {return health;}public void setHealth(int health) {if(health<0||health>100){System.out.println("健康值应该在0至100之间，默认值为60。");this.health=60;return;}this.health = health;}public int getLove() {return love;}public void setLove(int love) {if(love<0||love>100){System.out.println("亲密度应该在0至100之间，默认值为10。");this.love=10;return;}this.love = love;}/*** 输出宠物信息*/public void print() {System.out.println("宠物的自白：\n我的名字叫" +this.name + "，我的健康值是" + this.health+ "，我和主人的亲密程度是" + this.love + "。");}//重写Object类的equals()方法public boolean equals(Object obj){boolean flag = false;if(obj==this){  //==比较引用地址flag = true;}if(!(obj instanceof Pet)){  //instanceof  判断类型flag = false;}else{Pet pe = (Pet)obj;if(pe.love==this.love&&pe.health==this.health&&pe.love==this.love){flag = true;}}return flag;}
}

package com.extend;
/*** 狗狗类，宠物的子类*/
public class Dog extends Pet {private String strain="哈士奇";// 品种//无参构造方法public Dog(String name,int health,int love,String strain) {super(name,health,love);this.strain = strain;System.out.println("dog类构造方法");}public String getStrain() {return strain;}public void setStrain(String strain) {this.strain = strain;}//重写父类方法public void print() {System.out.println("宠物的自白：\n我的名字叫" +this.getName() + "，我的品种是" + this.getStrain()+"，我的健康值是" + this.getHealth()+ "，我和主人的亲密程度是" + this.getLove() + "。");}
}

package com.extend;import com.sun.jmx.snmp.SnmpString;/*** 企鹅类*/
public class Penguin extends Pet {private String sex="Q仔";// 企鹅性别//构造方法public Penguin(String name,int health,int love,String sex) {super(name,health,love);this.sex = sex;System.out.println("penguin类构造方法");}public String getSex() {return sex;}public void setSex(String sex) {this.sex = sex;}//重写父类方法public void print() {System.out.println("宠物的自白：\n我的名字叫" +this.getName() + "，我的性别是" + this.getSex()+"，我的健康值是" + this.getHealth()+ "，我和主人的亲密程度是" + this.getLove() + "。");}}

package com.extend;
//测试类
public class Test {public static void main(String[] args) {// 1、创建宠物对象pet并输出信息Pet pet = new Pet("贝贝",99,60);//Pet pet1 = new Pet("贝贝",99,60);//Pet pet2 = new Pet("贝贝",99,59);//System.out.println("equals()比较对象："+pet1.equals(pet2));pet.print();// 2、创建狗狗对象dog并输出信息Dog dog = new Dog("贝贝",59,40,"牧羊犬");
//      dog.setName("多多");
//      dog.setHealth(90);
//      dog.setLove(80);
//      dog.setStrain("吉娃娃");dog.print();// 3、创建企鹅对象pgn并输出信息Penguin pgn = new Penguin("幽幽",85,20,"Q妹");
//      pgn.setName("大黑");
//      pgn.setHealth(98);
//      pgn.setLove(99);
//      pgn.setSex("Q妹");pgn.print();/**************************/
//      Bus bus = new Bus(20);
//      bus.print();//System.out.println(pgn.equals(dog));}
}

package com.extend;
//测试类
class Car{private int siteNo = 4;//载客量public Car(){System.out.println("载客量是："+siteNo+"人");}public void setSiteNo(int siteNo){this.siteNo = siteNo;}public void print(){System.out.println("载客量是："+siteNo+"人");}
}
class Bus extends Car{public Bus(int siteNo){setSiteNo(siteNo);}
}
public class Test {public static void main(String[] args) {Bus bus = new Bus(20);bus.print();     }
}