Java程序设计基础 面向对象 练习

class Student
{
    private String stuno;
    private String name;
    private float math;
    private float english;
    private float computer;
    
    /*Student()
    {

    }*/
    public void StuPer(String stuno,String name)
    {
        this.stuno = stuno;
        this.name = name;
    }
    public void stuGrade(float math,float english,float computer)
    {
        this.math = math;
        this.english = english;
        this.computer = computer;
    }
    public void count()
    {
        float average = (math + english + computer)/3;
        System.out.println("平均成绩为：" + average);
        float sum = (math + english + computer);
        System.out.println("总成绩为：" + sum);
        float max = 0;
        if(math > english)
        {
            max = math;
        }
        else 
        {
            max = english;
        }
        if(max > computer)
        {
            System.out.println("最高成绩为：" + max);
        }
        else
        {
            System.out.println("最高成绩为：" + computer);
        }
        float min = 0;
         if(math > english)
        {
            min = english;
        }
        else 
        {
            min = math;
        }
        if(min > computer)
        {
            System.out.println("最低成绩为：" + computer);
        }
        else
        {
            System.out.println("最低成绩为：" + min);
        }
    }
    public void tell()
    {
        System.out.println("姓名：" + name + "  学号： " + stuno);
        System.out.println("数学成绩： " + math + "英语成绩： " + english + "计算机成绩： " + computer);
    }
}
class stuInfo
{
    public static void main(String[] args)
    {
        Student person = new Student();
        person.StuPer("2015025500","张三");
        person.stuGrade(50,60,70);
        person.tell();
        person.count();
    } 
}