第三次上机

Posted 2021-02-17 susususu

学生”类：
2 类名：Student
2 属性：姓名、性别、年龄、学号、5门课程的成绩
2 方法1：在控制台输出各个属性的值、
2 方法2：计算平均成绩
2 方法3：输出各个属性的值和平均成绩
5.2 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。

package test;
public class Student {
       private String name;
       private char sex;
       private int age;
       private String number;
       private double[] score = new double[5];
       public void setname(String name) {
           this.name = name;
       }
       public String getname() {
           return name;
       }
       public void setsex(char sex) {
           this.sex = sex;
       }
       public char getsex() {
           return sex;
       }
       public void setage(int age) {
           this.age = age;
       }
       public int getage() {
           return age;
       }
       public void setnumber(String number) {
           this.number = number;
       }
       public String getnumber() {
           return number;
       }
       public void setscore(double score[]) {
              this.score = score;  
       }
           
       public double[] getscore() {
           return score;
       }
       public double getaverage(double score[]) {
           double average=0;
           for(double k:score) {
               average = average+k;
           }
           return average/5.0;
       }
       public void Printinformation(double score[]) {
           System.out.println("姓名："+getname()+"    性别："+getsex()+"     学号："+getnumber()+"    年龄"+getage());
           System.out.println("5门课的成绩;");
           for(double s:score)
               System.out.println(s);
          System.out.println("平均成绩："+getaverage(score));
       }
    
}

import java.util.Scanner;
public class Informance {
     public static void main(String[] args) {
         double[] scores1 = new double[5];
         double[] scores2 = new double[5];
        Scanner sc = new Scanner(System.in);
        Student stu1 = new Student();
        Student stu2 = new Student();
        System.out.println("请输入第一个学生的信息：");
        stu1.setname(sc.next());
        stu1.setage(sc.nextInt());
        stu1.setnumber(sc.next());
        stu1.setsex(sc.next().charAt(0));
        System.out.println("请输入5门课的成绩：");
        for(int i = 0;i<scores1.length;i++) {//注意：for-each语句只能用遍历数组，不能给数组赋值
            scores1[i] = sc.nextDouble();
        }
        stu1.setscore(scores1);
        System.out.println("请输入第二个学生的信息：");
        stu2.setname(sc.next());
        stu2.setage(sc.nextInt());
        stu2.setnumber(sc.next());
        stu2.setsex(sc.next().charAt(0));
        System.out.println("请输入5门课的成绩：");
        for(int i = 0;i<scores2.length;i++) {
            scores2[i] = sc.nextDouble();
        }
        stu2.setscore(scores2);
        System.out.println("第一个学生的信息：");
        stu1.Printinformation(scores1);
        System.out.println("第二个学生的信息：");
        stu2.Printinformation(scores2);
     }
}