java输出各种学生成绩

 1 class stu
 2 {
 3     public String stuno;
 4     public String name;
 5     public float math;
 6     public float english;
 7     public float computer;
 8     public float sum;
 9     public float average;
10     stu(String stuno1,String name1,float math1,float english1,float computer1) //构造函数
11     {
12         this.stuno = stuno1;
13         this.name = name1;
14         this.math = math1;
15         this.english = english1;
16         this.computer = computer1;
17     }
18     public void sum() //求和方法
19     {
20         sum = math + english + computer;
21         System.out.println("sum = " + sum);
22     }
23     public void average() //求平均值方法
24     {
25         average = sum / 3;
26         System.out.println("average = " + average);
27     }
28     public void max() //求最大值方法
29     {
30         float max;
31         if(math > english)
32             if(math > computer)
33                 max = math;
34             else
35                 max = computer;
36         else
37             if(english > computer)
38                 max = english;
39             else
40                 max = computer;
41         System.out.println("最高分为：" + max);
42     }
43     public void min() //求最小值方法
44     {
45         float min;
46         if(math < english)
47             if(math < computer)
48                 min = math;
49             else
50                 min = computer;
51         else
52             if(english < computer)
53                 min = english;
54             else
55                 min = computer;
56         System.out.println("最低分为：" + min);
57     }
58     public void print() //输出方法
59     {
60         System.out.println("姓名:" + name + " 学号:" + stuno );
61         System.out.println("数学成绩：" + math + " 英语成绩：" + english + " 计算机成绩:" + computer);
62     }
63 }
64 class Student
65 {
66     public static void main(String args[])
67     {
68         stu stu1 = new stu("2017025425","马云",99,88,77);
69         stu1.print();
70         stu1.sum();
71         stu1.average();
72         stu1.max();
73         stu1.min();
74     }
75 }

运行结果：

转载于:https://www.cnblogs.com/YUJIE666/p/6764206.html