Java 关于继承小练习2

 1 package com.bytezero.inherit2;
 2
 3
 4 public class KidsTest
 5 {
 6     public static void main(String[] args)
 7     {
 8         Kids someKid = new Kids(12);
 9         someKid.printAge();
10
11         someKid.setSalary(0);
12         someKid.setSex(1);
13         someKid.employeed();
14         someKid.manOrWoman();
15     }
16 }

 1 package com.bytezero.inherit2;
 2
 3 /*
 4  * 定义一个ManKind类，包括成员变量int sex和int  salary；
 5  * 方法 void manOrWoman():根据sex的值显示"man"(sex == 1)或者”woman“（sex ==0）
 6  * 方法 void employeed(); 根据salary的值吓显示”no job“(salary ==0)或者”job“(salary != 0)
 7  *
 8  */
 9 public class ManKind
10 {
11     private    int sex;    //性别
12     private int salary; //薪资
13
14
15
16
17
18     public ManKind()
19     {
20
21     }
22
23     public ManKind(int sex, int salary)
24     {
25
26         this.sex = sex;
27         this.salary = salary;
28     }
29
30
31
32
33
34     public void manOrWoman()
35     {
36         if(sex == 1)
37         {
38             System.out.println("man");
39         }
40         else if(sex ==0)
41         {
42             System.out.println("woman");
43         }
44     }
45
46     public void employeed()
47     {
48 //        if(salary == 0)
49 //        {
50 //            System.out.println("no job");
51 //        }
52 //        else
53 //        {
54 //            System.out.println("job");
55 //        }
56         //或
57         String jobInfo = (salary == 0)?"no job" :"job";
58         System.out.println(jobInfo);
59     }
60
61     public int getSex() {
62         return sex;
63     }
64
65     public void setSex(int sex) {
66         this.sex = sex;
67     }
68
69     public int getSalary() {
70         return salary;
71     }
72
73     public void setSalary(int salary) {
74         this.salary = salary;
75     }
76
77
78
79
80
81 }

 1 package com.bytezero.inherit2;
 2
 3 /*
 4  *  定义kids类继承ManKid,并包括 成员变量int yearsOld;
 5  *  方法printAge() 打印 yearsOld的值
 6  *
 7  */
 8 public class Kids extends ManKind
 9 {
10    private  int  yearsOld;
11
12     public Kids()
13     {
14
15     }
16
17
18     public Kids(int yearsOld)
19     {
20
21         this.yearsOld = yearsOld;
22     }
23
24
25
26    public void printAge()
27    {
28        System.out.println(yearsOld);
29    }
30
31
32     public int getYearsOld()
33     {
34         return yearsOld;
35     }
36
37     public void setYearsOld(int yearsOld)
38     {
39         this.yearsOld = yearsOld;
40     }
41
42
43
44
45
46
47 }