课堂检测

ScoreInformation类：

package ceshi;

class ScoreInformation {    private String stunumber;    private String name;    private double mathematicsscore;    private double englishiscore;    private double networkscore;    private double databasescore;    private double softwarescore;

    public ScoreInformation(){

    }

    public ScoreInformation(String stunumber, String name, double mathematicsscore, double englishiscore, double networkscore, double databasescore, double softwarescore) {        this.stunumber = stunumber;        this.name = name;        this.mathematicsscore = mathematicsscore;        this.englishiscore = englishiscore;        this.networkscore = networkscore;        this.databasescore = databasescore;        this.softwarescore = softwarescore;    }

    public String getStunumber() {        return stunumber;    }

    public void setStunumber(String stunumber) {        this.stunumber = stunumber;    }

    public String getName() {        return name;    }

    public void setName(String name) {        this.name = name;    }

    public double getMathematicsscore() {        return mathematicsscore;    }

    public void setMathematicsscore(double mathematicsscore) {        this.mathematicsscore = mathematicsscore;    }

    public double getEnglishiscore() {        return englishiscore;    }

    public void setEnglishiscore(double englishiscore) {        this.englishiscore = englishiscore;    }

    public double getNetworkscore() {        return networkscore;    }

    public void setNetworkscore(double networkscore) {        this.networkscore = networkscore;    }

    public double getDatabasescore() {        return databasescore;    }

    public void setDatabasescore(double databasescore) {        this.databasescore = databasescore;    }

    public double getSoftwarescore() {        return softwarescore;    }

    public void setSoftwarescore(double softwarescore) {        this.softwarescore = softwarescore;    }

}Main类：

package ceshi;

import java.util.*;

public class Main {    static ScoreInformation[] scoreInformations=new ScoreInformation[5];

    static int n=0;

    public static void main(String args[]){while (true) {    Scanner scanner = new Scanner(System.in);    caidan1();    int select = 0;    select = scanner.nextInt();    switch (select) {        case 1:            caidan2();            add();            break;        case 2:            caidan3();            updata();            break;        case 4:            quite();        default:            System.exit(0);            break;    }}    }    static void caidan1(){        System.out.println("***********************************************************");        System.out.println("                  石家庄铁道大学软件工程系                   ");        System.out.println("                  学生学籍管理系统 2019 版                  ");        System.out.println("***********************************************************");        System.out.println("                    1、 学生考试成绩录入                     ");        System.out.println("                    2、 学生考试成绩修改                     ");        System.out.println("                    3、 计算学生成绩绩点                     ");        System.out.println("                    4、退出学籍管理系统                      ");        System.out.println("**********************************************************  ");}    static public  void caidan2(){        System.out.println("***********************************************************");        System.out.println("        石家庄铁道大学软件工程系学生学籍管理系统 2019 版      ");        System.out.println("                      学生考试成绩录入                       ");        System.out.println("***********************************************************");        System.out.println("                       请输入学生学号：                      ");    }    static public void caidan3(){        System.out.println("***********************************************************");        System.out.println("      石家庄铁道大学软件工程系学生学籍管理系统 2019 版        ");        System.out.println("                     学生考试成绩修改界面                    ");        System.out.println("***********************************************************");        System.out.println("                        请输入学生学号：                     ");        System.out.println("**********************************************************  ");    }    static public void caidan4(){        System.out.println("***********************************************************");        System.out.println("       石家庄铁道大学软件工程系学生学籍管理系统 2019 版       ");        System.out.println("                     学生考试成绩修改界面                    ");        System.out.println("*********************************************************** ");        System.out.println("                    请输入需要修改科目的序号：                ");    }    static void chushihua(){        scoreInformations[0]=new ScoreInformation();        scoreInformations[0].setName("马川");        String s="20183561";        scoreInformations[0].setStunumber(s);        scoreInformations[1]=new ScoreInformation();        scoreInformations[1].setName("张三");        String s1="20180000";        scoreInformations[1].setStunumber(s1);        scoreInformations[2]=new ScoreInformation();        scoreInformations[2].setName("李四");        String s2="20180001";        scoreInformations[2].setStunumber(s2);        scoreInformations[3]=new ScoreInformation();        scoreInformations[3].setName("harden");        String s3="20180002";        scoreInformations[3].setStunumber(s3);        scoreInformations[4]=new ScoreInformation();        scoreInformations[4].setName("james");        String s4="20180004";        scoreInformations[4].setStunumber(s4);    }     static void add(){        Scanner sc = new Scanner(System.in);        String stunumber=sc.nextLine();        for(int i=0;i<5;i++){            scoreInformations [i]= new ScoreInformation();            chushihua();            if(scoreInformations[i].getStunumber().equals(stunumber)){                System.out.println("学生姓名：" +scoreInformations[i].getName());                System.out.println("学生学号："+scoreInformations[i].getStunumber());                System.out.println("请输入高等数学成绩：");                double mathematicsscore=sc.nextDouble();                System.out.println("请输入英语成绩");                double englishiscore=sc.nextDouble();                System.out.println("请输入计算机网络成绩");                double networkscore=sc.nextDouble();                System.out.println("请输入数据库成绩：");                double databasescore=sc.nextDouble();                System.out.println("请输入软件工程成绩：");                double softwarescore=sc.nextDouble();                System.out.println("该同学成绩已录入是否提交（Y/N）");                Scanner sc1=new Scanner(System.in);                String panduan=sc1.nextLine();                String y="Y";                if (panduan.equals(y)){                    System.out.println("已成功录入！");                }                else{                    int i1=0;                    double d1=i1;                    scoreInformations[i].setDatabasescore(d1);                    scoreInformations[i].setEnglishiscore(d1);                    scoreInformations[i].setMathematicsscore(d1);                    scoreInformations[i].setNetworkscore(d1);                    scoreInformations[i].setSoftwarescore(d1);                    caidan2();                }            }            else{                System.out.println("查无此人");            }           break;        }

    }    static  void updata(){        Scanner sc2=new Scanner(System.in);        String stunumber2=sc2.nextLine();        for (int i=0;i<5;i++){            scoreInformations[i]=new ScoreInformation();            chushihua();            if (scoreInformations[i].getStunumber().equals(stunumber2)){                System.out.println("***********************************************************");                System.out.println("      石家庄铁道大学软件工程系学生学籍管理系统 2019 版        ");                System.out.println("                  学生考试成绩修改界面                       ");                System.out.println("*********************************************************** ");                System.out.println("学生学号："+scoreInformations[i].getStunumber());                System.out.println("学生姓名:"+scoreInformations[i].getName());                System.out.println("1、高等数学成绩："+scoreInformations[i].getMathematicsscore());                System.out.println("2、英语成绩："+scoreInformations[i].getEnglishiscore());                System.out.println("3、数据库成绩："+scoreInformations[i].getDatabasescore());                System.out.println("4、软件工程成绩："+scoreInformations[i].getSoftwarescore());                System.out.println("5、网络成绩："+scoreInformations[i].getNetworkscore());            }            else {                System.out.println("查无此人！");            }        }        caidan4();        Integer xuanze=sc2.nextInt();        switch (xuanze){            case 1:        }

    }    static  void quite(){        System.out.println("***********************************************************");        System.out.println("    谢谢使用石家庄铁道大学软件工程系学生学籍管理系统 2019 版   ");        System.out.println("                       制作人：马川                         ");        System.out.println(" ***********************************************************");

    }

}

原文地址：https://www.cnblogs.com/mac-13/p/11516703.html