JAVA language test --- student achievement management system

// Xu Huai 20,183,603 CCB 1805-1
Package Penalty for Student;

import java.text.DecimalFormat;
import java.util.Scanner;

ScoreManagement class {public
 static int n-, I;
 static int NUM = 0;
 static Boolean = T to true;
 static Boolean = T1 to true;
 static ScoreInformation [] = new new SC ScoreInformation [100];
 static Scanner Scanner Scan new new = (the System.in );
 public static void main (String args []) {
  SC [NUM] = new new ScoreInformation ();
  the while (T) {
   System.out.println ( "*************** ****************************************** ");
   System.out.println ( "software Engineering, Shijiazhuang Railway Institute");
   System.out.println ( "student management system version 2019");
   System.out.println ( "**************** ****************************************** ");
   System.out.println ( ' 1, create a student information ");
   System.out.println ( "2, student test scores Entry");
      System.out.println ( "3, student test scores modification");
      System.out.println ( "4, calculate student achievement Grade Point");
         System .out.println ( "5, quit school management system");
      System.out.println ( "**************************** ************************************************************ ");
      int = n-scan.nextInt ();
      Switch (n-) {
      Case. 1:
       build (); // create a student information
       break;
      Case 2:
       addScore (); // input achievement
       break;
      Case 3:
       updateScore (); // modify achievement
       break;
      Case 4:
       calculateScore (); // calculate grade point
       break ;
      5 Case:
       System.out.println ( "**************************************** ***************** ");
       System.out.println (" Thank you for the use of Shijiazhuang Railway Institute of software Engineering student management system version 2019 ");
       System.out.println ( "producer: Xu Huaijian");
       T = to false;
       BREAK;
      default:
       System.out.println ( "input error, please re-enter");
       BREAK;
      }
  }
 }
 Private static void build () {
  the while (T1) {
   SC [NUM] = new new ScoreInformation ();
   System.out.println ( "enter the student number, name");
   sc [NUM] .setstunumber (scan.next ());
   sc [NUM] .setName (Scan. the Next ());
   NUM ++;
   System.out.println ( "add student information successfully, continue to add 1 enter, enter the completion of the addition 2");
   IF (scan.nextInt () == 1) {
    T1 = to true;
   } the else {
    T1 = to false;
   }
  }
 }
 Private static void calculateScore () {
  Boolean = T3 to false;
  System.out.println ( "**************************************************************** *********************************************************** ");
  System.out.println (" software Engineering, Shijiazhuang Railway Institute student management system Version 2019 ");
  System.out.println (" student test scores to calculate grade point interface ");
  System.out.println (" ********************* ************************************** ");
  System.out.println (" Please enter student number: ");
  System.out.println (" ***********************************************************");
  N-scan.next = String ();
  for (I = 0; I <NUM; I ++) {
   IF (n.equals (SC [I] .getstunumber ())) {
    T3 = to true;
    BREAK;
   }
  }
  IF (T3 ) {
   
   System.out.println ( "***************************************** **************** ");
   System.out.println (" Shijiazhuang Railway Institute of software Engineering student management system version 2019 ");
   System.out.println (" student test performance computing grade point interface ");
   System.out.println (" *********************************** ************************************************************ ");
   System.out.println (" student number: "SC + [I] .getstunumber ());
   the System. out.println ( "student name:" + sc [i] .getname ());
   System.out.println ( "1, higher math scores for Grade Point:" + jsjd (sc [i] .getmathematicsscore ()));
   System.out.println ( "2, enter a college English grades Grade Point Average:" + jsjd (SC [I] .getenglishiscore ()));
   System.out.println ( ". 3, the computer network GPA results:" + jsjd (SC [I] .getnetworkscore ()));
   System.out.println ( ". 4 database performance grade point: "+ jsjd (sc [i] .getdatabasescore ()));
   System.out.println (" 5, software engineering achievement grade point: "+ jsjd (sc [i ] .getsoftwarescore ())) ;
   Double SUM, AVER;
   SUM = jsjd (SC [I] .getmathematicsscore ()) + jsjd (SC [I] .getenglishiscore ()) + jsjd (SC [I] .getnetworkscore ()) + jsjd (SC [I] .getdatabasescore ()) + jsjd (SC [I] .getsoftwarescore ());
   AVER = SUM /. 5;
   DecimalFormat DecimalFormat new new DF = ( "00.");
   System.out.println ( "your grade point average is:" + df.format (AVER));
   IF (AVER> = 2) {
    System.out.println ( "message: Your Grade Point has been reached ! graduation requirements ");
   }
   the else {
    System.out.println (" message:! your Grade point does not meet the requirements for graduation ");
   }
   System.out.println (" return to the main interface if: (Y / N ) ");
   System.out.println (" *************************************** ************************************************** ");
   String scan.next Q = ();
   IF (q.equals (" the Y ")) {
    T = to true;
   }
   the else {
    T to false =;
   }
  }
  the else {
   System.out.println ( "Science the number does not exist");
  }
 }
 static void updateScore Private () {
  Boolean = T3 to false;
  System.out.println ( "******************************* **************************** ");
  System.out.println (" software Engineering, Shijiazhuang Railway Institute student management system version 2019 ");
  System.out.println (" student test scores modification interface ");
  System.out.println (" ************************************************************ ********************************** ");
  System.out.println (" Please enter the student number: ");
  System.out.println (" **************************************** ******************* ");
  String = n-scan.next ();
  for (I = 0; I <NUM; I ++) {
   IF (n.equals ( SC [I] .getstunumber ())) {
    T3 = to true;
    BREAK;
   }
  }
  if(t3) {
   System.out.println ( "******************************************* ************** ");
   System.out.println (" Shijiazhuang Railway Institute of software Engineering student management system version 2019 ");
   System.out.println (" student test scores entry interface ");
   System.out.println (" *************************************** ************************************************** ");
   System.out.println (" student number: "SC + [I] .getstunumber ());
   System.out.println ( "student name:" + sc [i] .getName ());
   System.out.println ( "1, higher mathematics achievement:" + sc [i] .getmathematicsscore ());
   System.out.println ( "2, Please enter university English scores: "+ sc [i] .getenglishiscore ());
   System.out.println (" 3, computer network performance: "+ sc [i]. getnetworkscore());
   System.out.println ( "4, database performance:" + sc [i] .getdatabasescore ());
   System.out.println ( "5, software engineering achievement:" + sc [i] .getsoftwarescore ());
   System .out.println ( "******************************************** ************* ");
   System.out.println (" Please enter the number of subjects to be modified ");
   int scan.nextInt P = ();
   Switch (P) {
   Case. 1:
    System.out.println ( "******************************************* ************** ");
    System.out.println (" Shijiazhuang Railway Institute of software Engineering student management system version 2019 ");
    System.out.println (" student test scores entry interface ");
    System.out.println (" *************************************** ****************** ");
    System.out.println ( "student number:" + sc [i] .getstunumber ());
    System.out.println ( "Student Name:" + sc [i] .getName ());
    System.out.println ( "Please enter Higher math modified:");
    SC [I] .setmathematicsscore (scan.nextDouble ());
    System.out.println ( "********************************************************* ***************************************** ");
    BREAK;
   Case 2:
    the System .out.println ( "******************************************** ************* ");
    System.out.println (" Shijiazhuang Railway Institute of software Engineering student management system version 2019 ");
    System.out.println (" student test scores input interface ");
    System.out.println (" **************************************** ***************** ");
    System.out.println ( "student number:" + sc [i] .getstunumber ());
    System.out.println ( "Student Name:" + sc [i] .getName ());
    System.out.println ( "Please enter the modified College English results:");
    sc [i] .setenglishiscore (scan.nextDouble ());
    System.out.println ( "**************** ***************************************** ");
    BREAK;
   Case 3:
    System .out.println ( "******************************************** ************* ");
    System.out.println (" Shijiazhuang Railway Institute of software Engineering student management system version 2019 ");
    System.out.println (" student test scores input interface ");
    System.out.println (" **************************************** ***************** ");
    System.out.println ( "student number:" + sc [i] .getstunumber ());
    System.out.println ( "Student Name:" + sc [i] .getName ());
    System.out.println ( "Please enter the modified computer network results:");
    SC [I] .setnetworkscore (scan.nextDouble ());
    System.out.println ( "********************************************************* ***************************************** ");
    BREAK;
   Case 4:
    System .out.println ( "******************************************** ************* ");
    System.out.println (" Shijiazhuang Railway Institute of software Engineering student management system version 2019 ");
    System.out.println (" student test scores input interface ");
    System.out.println (" **************************************** ***************** ");
    System.out.println ( "student number:" + sc [i] .getstunumber ());
    System.out.println ( "Student Name:" + sc [i] .getName ());
    System.out.println ( "Please enter the database modified score:");
    SC [I] .setdatabasescore (scan.nextDouble ());
    System.out.println ( "******************************************************** **************************************** ");
    BREAK;
   Case 5:
    System. out.println ( "********************************************* ************ ");
    System.out.println (" Shijiazhuang Railway Institute of software Engineering student management system version 2019 ");
    System.out.println (" student test scores input interface " );
    System.out.println ( "***************************************** **************** ");
    System.out.println ( "student number:" + sc [i] .getstunumber ());
    System.out.println ( "Student Name:" + sc [i] .getName ());
    System.out.println ( "Please enter the modified software engineering achievement:");
    sc [i] .setsoftwarescore (scan.nextDouble ());
    System.out.println ( "**************** ***************************************** ");
    BREAK;
   }
   the System.out .println ( "student achievement successfully modified");
   System.out.println ( "******************************** ************************************************************ ");
   System.out.println (" Shijiazhuang Railway Institute of software Engineering student management system 2019 Edition ");
   System.out.println ( "student test scores input interface");
   System.out.println ( " *********************************************************");
   System.out.println ( "student number:" + sc [i] .getstunumber ());
   System.out.println ( "Student Name:" + sc [i] .getName ());
   System.out.println ( "1, higher mathematics achievement:" + sc [i] .getmathematicsscore ());
   System.out.println ( "2, enter a college English achievement:" + sc [i] .getenglishiscore ());
   System.out .println ( "3, a computer network performance:" SC + [I] .getnetworkscore ());
   System.out.println ( ". 4, the database results:" SC + [I] .getdatabasescore ());
   the System.out. println ( "5, software engineering achievement:" + sc [i] .getsoftwarescore ());
   System.out.println ( "********************** *********************************** ");
  }
  The else {
   System.out.println ( "Science the number does not exist");
  }
 }
 Static void addScore () {
  Boolean = T2 to false;
  System.out.println ( "************************************************************ *************************** ");
  System.out.println (" Shijiazhuang Railway Institute of software Engineering student management system 2019 Edition " );
  System.out.println ( "student test scores entry");
  System.out.println ( "*************************** *********************************************************** ");
  System.out.println (" enter the student number: ");
  System .out.println ( "******************************************** ************* ");
  String Number = scan.next (); 
  for (I = 0; I <NUM; I ++) {
   IF (number.equals (SC [I] .getstunumber ())) {
    T2 = to true;
    BREAK;
   }
  }
  if(t2) {
   System.out.println ( "******************************************* ************** ");
   System.out.println (" Shijiazhuang Railway Institute of software Engineering student management system version 2019 ");
   System.out.println (" student test scores entry interface ");
   System.out.println (" *************************************** ************************************************** ");
   System.out.println (" student number: "SC + [I] .getstunumber ());
   System.out.println ( "student name:" + sc [i] .getName ());
   System.out.println ( "Please enter the higher mathematics achievement:");
   System.out.println ( "*********** ********************************************** ");
   sc [I] .setmathematicsscore (scan.nextDouble ());
   System.out.println ( " Please enter university English scores: ");
   SC [I] .setenglishiscore (scan.nextDouble ());
   System.out.println ( "Please enter the computer network performance");
   SC [I] .setnetworkscore (scan.nextDouble ());
   System.out.println ( " Please enter the database performance ");
   sc [i] .setdatabasescore (scan.nextDouble ());
   System.out.println (" Please enter the software engineering achievement ");
   sc [i] .setsoftwarescore (scan.nextDouble ());
   System.out.println ( "******************************************* ************** ");
   System.out.println (" Shijiazhuang Railway Institute of software Engineering student management system version 2019 ");
   System.out.println (" student test scores entry interface ");
   System.out.println (" *************************************** ****************** ");
   System.out.println (" student number: " +sc[i].getstunumber());
   System.out.println ( "Student Name:" + sc [i] .getName ());
   System.out.println ( "1, higher mathematics achievement:" + sc [i] .getmathematicsscore ());
   System.out .println ( "2, enter a college English achievement:" + sc [i] .getenglishiscore ());
   System.out.println ( "3, computer network performance:" + sc [i] .getnetworkscore ());
   System .out.println ( "4, database performance:" + sc [i] .getdatabasescore ());
   System.out.println ( "5, software engineering achievement:" + sc [i] .getsoftwarescore ());
   System. out.println ( "********************************************* ************ ");
  }
  the else {
   System.out.println (" Science the number does not exist ");
  }
 }
 Static Double jsjd (Double Score) / * * Conversion GPA / {
  double jd;
  if(score>=72) {
   if(score<75) {
    jd=2.3;
   }
   else if(score<78) {
    jd=2.7;
   }
   else if(score<82) {
    jd=3.0;
   }
   else if(score<85) {
    jd=3.3;
   }
   else if(score<90) {
    jd=3.7;
   }
   else {
    jd=4.0;
   }
  }
  else {
   if(score>=68) {
    jd=2.0;
   }
   else if(score>=66) {
    jd=1.7;
   }
   else if(score>=64) {
    jd=1.5;
   }
   else if(score>=60) {
    d = 1.0;
   }
   Else {
    jd = 0;
   }
  }
  Return JD;
 }
}

 

// Xu Huai CCB 1805-120183603

package student;
public class ScoreInformation {
 private String stunumber;
 private String name;
 private double mathematicsscore;
 private double englishiscore;
 private double networkscore;
 private double databasescore;
 private double softwarescore;
 public void setstunumber(String stunumber) {
  this.stunumber=stunumber;
 }
 public String getstunumber() {
  return stunumber;
 }
 public void setname(String name) {
  this.name=name;
 }
 public String getname() {
  return name;
 }
 public void setmathematicsscore(double mathematicsscore) {
  this.mathematicsscore=mathematicsscore;
 }
 public double getmathematicsscore() {
  return mathematicsscore;
 }
 public void setenglishiscore(double englishiscore) {
  this. englishiscore= englishiscore;
 }
 public double getenglishiscore() {
  return englishiscore;
 }
 public void setnetworkscore(double networkscore) {
  this.networkscore=networkscore;
 }
 public double getnetworkscore() {
  return networkscore;
 }
 public void setdatabasescore(double databasescore) {
  this.databasescore=databasescore;
 }
 public double getdatabasescore() {
  return databasescore;
 }
 public void setsoftwarescore(double softwarescore) {
  this.softwarescore=softwarescore;
 }
 public double getsoftwarescore() {
  return softwarescore;
 }
}