Java测试卷

package com.学生管理系统;
 class ScoreInformation {
  private String stunumber;
  private String name;
  private double mathematicsscore;
  private double englishiscore;
  private double  networkscore;
  private double  datebasescore;
  private double  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 getDatebasescore() {return datebasescore;}
  public void setDatebasescore(double datebasescore) {this.datebasescore=datebasescore;}
  public double getSoftwarescore() {return softwarescore;}
  public void setSoftwarescore(double softwarescore) {this.softwarescore=softwarescore;}
}

package com.学生管理系统;

import java.util.Scanner;

public class ScoreManagement {    Scanner in=new Scanner(System.in);

public void display1() {  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("*******************************"); }

public int find(String t)
{
 int i=0,k=0;
 for(i=0;i<5;i++)
 {
  if(s[i].getStunumber().compareTo(t)==0)
  {
   k=1;
   break;
  }
 }
 if(k==0)
  return -1;
 else
  {
   return i;
  }
}
public void display2()
{
 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("*******************************");
}
public void display3()
{
 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：李梦贞                ");
 System.out.println("*******************************");
}
public void display4(int k)
{
  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("         学生考试成绩录入界面                 ");
  System.out.println("*******************************");
  System.out.println("         学生学号："+s[k].getStunumber());
  System.out.println("         学生姓名："+s[k].getName());
}
static int con=0;
static int w2=0;
public void display5(int p)
{
 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("         学生考试成绩录入界面                 ");
 System.out.println("*******************************");
 System.out.println("  学生学号："+s[p].getStunumber());
 System.out.println("  学生姓名："+s[p].getName());
 con++;
 if(s[p].getMathematicsscore()!=0)
  System.out.println("  1.高等数学成绩为："+s[p].getMathematicsscore());
 if(s[p].getEnglishiscore()!=0)
  System.out.println("  2.大学英语成绩为："+s[p].getEnglishiscore());
 if(s[p].getNetworkscore()!=0)
  System.out.println("  3.计算机网络成绩为："+s[p].getNetworkscore());
 if(s[p].getDatebasescore()!=0)
  System.out.println("  4.数据库成绩为："+s[p].getDatebasescore());
 if(con==5||w2==1)
  System.out.println("  5.软件工程成绩为："+s[p].getSoftwarescore());
}
public void display6()
{
 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("*******************************");
}
public void display7()
{
 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("         学生考试成绩绩点计算界面                  ");
 System.out.println("*******************************");
}
static ScoreInformation []s=new  ScoreInformation[10];
 public static void main(String[] args) {
  // TODO Auto-generated method stub
  Scanner in=new Scanner(System.in);
  ScoreManagement stu=new ScoreManagement();
  boolean flag=true,flag2=true,flag3=true,flag4=true,flag5=true,flag6=true,flag7=true;
  String xuehao;
  int i,number;
  for(i=0;i<10;i++)
   s[i]=new ScoreInformation();
  s[0].setStunumber("20183723");
  s[0].setName("李梦贞");
  s[1].setStunumber("20180000");
  s[1].setName("小一");
  s[2].setStunumber("20180001");
  s[2].setName("小二");
  s[3].setStunumber("20180002");
  s[3].setName("小三");
  s[4].setStunumber("20180003");
  s[4].setName("小四");
  for(i=0;i<5;i++)
  {
   s[i].setDatebasescore(0);
   s[i].setEnglishiscore(0);
   s[i].setMathematicsscore(0);
   s[i].setNetworkscore(0);
   s[i].setSoftwarescore(0);
  }
  while(flag)
  {
   stu.display1();
   System.out.println("请选择要执行的功能序号");
   number=in.nextInt();
   if(number<1||number>4)
    System.out.println("该选项不存在");
   else
   {
    switch(number)
    {
     case 1:
     {
      while(flag2==true)
      {
       stu.display2();
       
       System.out.println("请输入学生学号：");
       xuehao=in.next();
       System.out.println("*******************************");
       if(stu.find(xuehao)==-1)
       {
        flag2=true;
        System.out.println("该不存在");
       }
       else
       {
        double m;
        String c;
        flag2=false;
        int b=stu.find(xuehao);
        while(flag7==true)
        {
         flag7=false;
         stu.display4(b);
         System.out.println("请输入高等数学成绩：");
         m=in.nextDouble();
         s[b].setMathematicsscore(m);
         stu.display5(b);
         System.out.println("请输入大学英语成绩：");
         m=in.nextDouble();
         s[b].setEnglishiscore(m);
         stu.display5(b);
         System.out.println("请输入计算机网络成绩：");
         m=in.nextDouble();
         s[b].setNetworkscore(m);
         stu.display5(b);
         System.out.println("请输入数据库成绩：");
         m=in.nextDouble();
         s[b].setDatebasescore(m);
         stu.display5(b);
         System.out.println("请输入软件工程成绩：");
         m=in.nextDouble();
         s[b].setSoftwarescore(m);
         stu.display5(b);
         System.out.println("该学生成绩已录入完毕，是否提交（Y/N） ");
         c=in.next();
         if(c.compareTo("N")==0)
         {
          flag7=true;
          s[b].setDatebasescore(0);
          s[b].setEnglishiscore(0);
          s[b].setMathematicsscore(0);
          s[b].setNetworkscore(0);
          s[b].setSoftwarescore(0);
         }
        }
       }
      }
      break;
     }
     case 2:
     {
      String q;
      while(flag3==true)
      {
       stu.display6();
       flag3=false;
       System.out.println("请输入学号：");
       q=in.next();
       System.out.println("*******************************");
       if(stu.find(q)==-1)
       {
        flag3=true;
        System.out.println("该不存在");
       }
       else
       {
        int r;
        int k=stu.find(q);
        double j;
        w2=1;
        flag3=false;
        stu.display5(k);
        System.out.println("请选择要修改的成绩序号：");
        r=in.nextInt();
        if(r==1)
        {
         String m;
         double old;
         stu.display4(k);
         old=s[k].getMathematicsscore();
         System.out.println("请输入要修改后的高等数学成绩：");
         j=in.nextDouble();
         s[k].setMathematicsscore(j);
         stu.display5(k);
         System.out.println("该学生成绩已修改完毕，是否提交（Y/N） ");
         m=in.next();
         if(m.compareTo("N")==0)
         {
          flag3=true;
          s[k].setMathematicsscore(old);
         }
        }
        else if(r==2)
        {
         String m;
         double old;
         old=s[k].getEnglishiscore();
         stu.display4(k);
         System.out.println("请输入要修改后的大学英语成绩：");
         j=in.nextDouble();
         s[k].setEnglishiscore(j);
         stu.display5(k);
         System.out.println("该学生成绩已修改完毕，是否提交（Y/N） ");
         m=in.next();
         if(m.compareTo("N")==0)
         {
          flag3=true;
          s[k].setEnglishiscore(old);
         }
        }
        else if(r==3)
        {
         String m;
         double old;
         old=s[k].getNetworkscore();
         stu.display4(k);
         System.out.println("请输入要修改后的计算机网络成绩：");
         j=in.nextDouble();
         s[k].setNetworkscore(j);
         stu.display5(k);
         System.out.println("该学生成绩已修改完毕，是否提交（Y/N） ");
         m=in.next();
         if(m.compareTo("N")==0)
         {
          flag3=true;
          s[k].setNetworkscore(old);
         }
        }
        else if(r==4)
        {
         String m;
         double old;
         old=s[k].getDatebasescore();
         stu.display4(k);
         System.out.println("请输入要修改后的数据库成绩：");
         j=in.nextDouble();
         s[k].setDatebasescore(j);
         stu.display5(k);
         System.out.println("该学生成绩已修改完毕，是否提交（Y/N） ");
         m=in.next();
         if(m.compareTo("N")==0)
         {
          flag3=true;
          s[k].setDatebasescore(old);
         }
        }
        else if(r==5)
        {
         String m;
         double old;
         old=s[k].getSoftwarescore();
         stu.display4(k);
         System.out.println("请输入要修改后的软件工程成绩：");
         j=in.nextDouble();
         s[k].setSoftwarescore(j);
         stu.display5(k);
         System.out.println("该学生成绩已修改完毕，是否提交（Y/N） ");
         m=in.next();
         if(m.compareTo("N")==0)
         {
          flag3=true;
          s[k].setSoftwarescore(old);
         }
        }
        else
        {
         System.out.println("请重新输入：");
        }
       }
      }
      break;
     }
     case 3:
     {
      String l;
      while(flag4==true)
      {
       stu.display7();
       in.nextLine();
       flag4=false;
       System.out.println("请输入学生学号：");
       l=in.nextLine();
       System.out.println("*******************************");
       if(stu.find(l)==-1)
       {
        flag4=true;
        System.out.println("该不存在");
       }
       else
       {
        int p=stu.find(l);
        double []a=new double[5];
        double []g=new double[]{4,3,4,3,2};
        double v=0;
        for(i=0;i<5;i++)
        {
         if(i==0)
         {
          if(s[p].getMathematicsscore()>=72)
          {
           if(s[p].getMathematicsscore()<=74.9)
            a[i]=2.3;
           else if(s[p].getMathematicsscore()<=77.9)
            a[i]=2.7;
           else if(s[p].getMathematicsscore()<=81.9)
            a[i]=3.0;
           else if(s[p].getMathematicsscore()<=84.9)
            a[i]=3.3;
           else if(s[p].getMathematicsscore()<=89.9)
            a[i]=3.7;
           else
            a[i]=4.0;
          }
          else
          {
           if(s[p].getMathematicsscore()>=68)
            a[i]=2.0;
           else if(s[p].getMathematicsscore()>=66)
            a[i]=1.7;
           else if(s[p].getMathematicsscore()>=64)
            a[i]=1.5;
           else if(s[p].getMathematicsscore()>=60)
            a[i]=1.0;
           else
            a[i]=0;
          } 
         }
         if(i==1)
         {
          if(s[p].getEnglishiscore()>=72)
          {
           if(s[p].getEnglishiscore()<=74.9)
            a[i]=2.3;
           else if(s[p].getEnglishiscore()<=77.9)
            a[i]=2.7;
           else if(s[p].getEnglishiscore()<=81.9)
            a[i]=3.0;
           else if(s[p].getEnglishiscore()<=84.9)
            a[i]=3.3;
           else if(s[p].getEnglishiscore()<=89.9)
            a[i]=3.7;
           else
            a[i]=4.0;
          }
          else
          {
           if(s[p].getEnglishiscore()>=68)
            a[i]=2.0;
           else if(s[p].getEnglishiscore()>=66)
            a[i]=1.7;
           else if(s[p].getEnglishiscore()>=64)
            a[i]=1.5;
           else if(s[p].getEnglishiscore()>=60)
            a[i]=1.0;
           else
            a[i]=0;
          } 
         }
         if(i==2)
         {
          if(s[p].getNetworkscore()>=72)
          {
           if(s[p].getNetworkscore()<=74.9)
            a[i]=2.3;
           else if(s[p].getNetworkscore()<=77.9)
            a[i]=2.7;
           else if(s[p].getNetworkscore()<=81.9)
            a[i]=3.0;
           else if(s[p].getNetworkscore()<=84.9)
            a[i]=3.3;
           else if(s[p].getNetworkscore()<=89.9)
            a[i]=3.7;
           else
            a[i]=4.0;
          }
          else
          {
           if(s[p].getNetworkscore()>=68)
            a[i]=2.0;
           else if(s[p].getNetworkscore()>=66)
            a[i]=1.7;
           else if(s[p].getNetworkscore()>=64)
            a[i]=1.5;
           else if(s[p].getNetworkscore()>=60)
            a[i]=1.0;
           else
            a[i]=0;
          } 
         }
         if(i==3)
         {
          if(s[p].getDatebasescore()>=72)
          {
           if(s[p].getDatebasescore()<=74.9)
            a[i]=2.3;
           else if(s[p].getDatebasescore()<=77.9)
            a[i]=2.7;
           else if(s[p].getDatebasescore()<=81.9)
            a[i]=3.0;
           else if(s[p].getDatebasescore()<=84.9)
            a[i]=3.3;
           else if(s[p].getDatebasescore()<=89.9)
            a[i]=3.7;
           else
            a[i]=4.0;
          }
          else
          {
           if(s[p].getDatebasescore()>=68)
            a[i]=2.0;
           else if(s[p].getDatebasescore()>=66)
            a[i]=1.7;
           else if(s[p].getDatebasescore()>=64)
            a[i]=1.5;
           else if(s[p].getDatebasescore()>=60)
            a[i]=1.0;
           else
            a[i]=0;
          } 
         }
         if(i==4)
         {
          if(s[p].getSoftwarescore()>=72)
          {
           if(s[p].getSoftwarescore()<=74.9)
            a[i]=2.3;
           else if(s[p].getSoftwarescore()<=77.9)
            a[i]=2.7;
           else if(s[p].getSoftwarescore()<=81.9)
            a[i]=3.0;
           else if(s[p].getSoftwarescore()<=84.9)
            a[i]=3.3;
           else if(s[p].getSoftwarescore()<=89.9)
            a[i]=3.7;
           else
            a[i]=4.0;
          }
          else
          {
           if(s[p].getSoftwarescore()>=68)
            a[i]=2.0;
           else if(s[p].getSoftwarescore()>=66)
            a[i]=1.7;
           else if(s[p].getSoftwarescore()>=64)
            a[i]=1.5;
           else if(s[p].getSoftwarescore()>=60)
            a[i]=1.0;
           else
            a[i]=0;
          } 
         }
        }
        for(i=0;i<5;i++)
         v+=a[i]*g[i];
        v=v/16;
        if(v>=2)
         flag5=true;
        else
         flag5=false;
        stu.display7();
        System.out.println("        学生学号："+s[p].getStunumber());
        System.out.println("        学生姓名："+s[p].getName());
        System.out.println("   1、高等数学成绩绩点："+a[0]);
        System.out.println("   2、大学英语成绩绩点：："+a[1]);
        System.out.println("   3、计算机网络成绩绩点："+a[2]);
        System.out.println("   4、数据库成绩绩点："+a[3]);
        System.out.println("   5、软件工程成绩绩点："+a[4]);
        System.out.println("   6、你的平均学分绩点为："+String.format("%.2f",v));
        if(flag5==true)
         System.out.println("  你的学分绩点已达到毕业要求！");
        else
         System.out.println("  你的学分绩点不满足毕业要求！");
        System.out.println("   是否返回系统主界面：（Y/N） ");
        String c;
        c=in.next();
        if(c.compareTo("Y")==0)
         flag6=false;
       }
       if(flag6==false&&flag4==false)
        break;
      }
      break;
     }
     case 4:
     {
      stu.display3();
      flag=false;
      break;
     }
    }
   }
  }
  in.close();
 }
}