第三次实训作业

“学生”类： 

 类名：Student 

 属性：姓名、性别、年龄、学号、5门课程的成绩  

方法1：在控制台输出各个属性的值、 

 方法2：计算平均成绩 

 方法3：输出各个属性的值和平均成绩   

  测试类 

 创建2个对象，调用方法，要求：对象各个属性的值，从键盘输入。

*/

学生类：

1 package bbb;
 2 public class Student
 3 {
 4     private String name;
 5     private char sex;
 6     private int age;
 7     private String studentId;
 8     private double scores[]=new double[5];
 9     public String getName() {
10         return name;
11     }
12     public void setName(String name) {
13         this.name = name;
14     }
15     public char getSex() {
16         return sex;
17     }
18     public void setSex(char sex) {
19         this.sex = sex;
20     }
21     public int getAge() {
22         return age;
23     }
24     public void setAge(int age) {
25         this.age = age;
26     }
27     public String getStudentId() {
28         return studentId;
29     }
30     public void setStudentId(String studentId) {
31         this.studentId = studentId;
32     }
33     public double[] getScores() {
34         return scores;
35     }
36     public void setScores(double[] scores) {
37         this.scores = scores;
38     }
39     public Student(String name, char sex, int age, String studentId, double[] scores) {
40         super();
41         this.name = name;
42         this.sex = sex;
43         this.age = age;
44         this.studentId = studentId;
45         this.scores = scores;
46     }
47     public void PrintInformation()
48     {
49         
50         System.out.println("姓名:"+name+'
'+"性别:"+sex+'
'+"年龄:"+age+'
'+"学号:"+studentId+'
'+"5门课程的成绩:");
51         for(double x:scores)
52         {
53             System.out.print(x+" ");
54         }
55         
56     }
57     public double getAverage()
58     {
59         double s=0.0;
60         for(double x:scores)
61         {
62             s=s+x;
63         }
64         double average=s/scores.length;
65         System.out.println("平均成绩为："+average);
66         return average;
67     }
68     public void Property()
69     {
70         this.PrintInformation();
71         this.getAverage();
72         System.out.println();
73         
74     }
75 }

测试类：

1 package bbb;
 2 import java.util.Scanner;
 3 public class TestStudent
 4 {
 5     public static void main(String[] args) 
 6     {
 7         Scanner sc=new Scanner(System.in);
 8         Student ZhangSan;
 9         Student LiSi;
10         String name;
11         char sex;
12         int age;
13         String studentId;
14         double scores[]=new double[5];
15         
16         System.out.println("请输入学生张三的信息：");
17         name=sc.next();
18         String temp=sc.next();
19         sex=temp.charAt(0);
20         age=sc.nextInt();
21         studentId=sc.next();
22         for(int i=0;i<scores.length;i++)
23         {
24             scores[i]=sc.nextInt();
25         }
26         ZhangSan=new Student(name,sex,age,studentId,scores);
27         
28         System.out.println("请输入学生李四的信息：");
29         name=sc.next();
30         temp=sc.next();
31         sex=temp.charAt(0);
32         age=sc.nextInt();
33         studentId=sc.next();
34         for(int i=0;i<scores.length;i++)
35         {
36             scores[i]=sc.nextInt();
37         }
38         LiSi=new Student(name,sex,age,studentId,scores);
39         
40         System.out.println("学生信息如下：");
41         ZhangSan.Property();
42         LiSi.Property();
43     }
44 }