标准格式包含: 私有属性 无参构造 有参构造 setter 和getter 需求中的方法 需求一： 员工类Employee 属性：姓名name,工号id,工资salary 行为：显示所有成员信息的方法show() 需求二： 动物类Animal 属性:姓名name,年龄age 行为:吃饭

 

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 // 员工类

 public class Employee {
     private String name;
     private int id;
     private double salary;

     public void show() {
         System.out.println(name+"\t"+id+"\t"+salary);
     }
     public Employee() {

     }
     public Employee(String name, int id, double salary) {
         this.name = name;
         this.id = id;
         this.salary = salary;
     }
     public String getName() {
         return name;
     }
     public void setName(String name) {
         this.name = name;
     }
     public int getId() {
         return id;
     }
     public void setId(int id) {
         this.id = id;
     }
     public double getSalary() {
         return salary;
     }
     public void setSalary(double salary) {
         this.salary = salary;
     }
 }

 // 动物类
 public class Animal {
     private String name;
     private int age;

     public Animal() {

     }
     public Animal(String name, int age) {
         this.name = name;
         this.age = age;
     }
     public String getName() {
         return name;
     }
     public void setName(String name) {
         this.name = name;
     }
     public int getAge() {
         return age;
     }
     public void setAge(int age) {
         this.age = age;
     }
     public void eat() {
         System.out.println("吃饭");
     }
     public void sleep() {
         System.out.println("睡觉");
     }
 }

 //人类

 public class Person {
     private String name;
     private int age;
     private String gender;

     public Person() {

     }
     public Person(String name, int age, String gender) {
         this.name = name;
         this.age = age;
         this.gender = gender;
     }

     public String getName() {
         return name;
     }

     public void setName(String name) {
         this.name = name;
     }

     public int getAge() {
         return age;
     }

     public void setAge(int age) {
         this.age = age;
     }

     public String getGender() {
         return gender;
     }

     public void setGender(String gender) {
         this.gender = gender;
     }

     public void study() {
         System.out.println("学习");
     }

     public void sleep() {
         System.out.println("睡觉");
     }
 }

 //测试类

 public class TestA {
     public static void main(String[] args) {

         Animal a = new Animal("藏獒",50);
         System.out.println(a.getName());
         System.out.println(a.getAge());
         a.eat();
         a.sleep();
         System.out.println("============================");
         Employee e = new Employee("张三",20190316,20);
         e.show();
         System.out.println("============================");
         Person p = new Person("李四",30,"男");
         System.out.println(p.getName());
         System.out.println(p.getAge());
         System.out.println(p.getGender());
         p.study();
         p.sleep();
     }
 }