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Program that maintains employee database of an education system

Posted By: Easy Tutor     Category: Java     Views: 18846

An educational institution wishes to maintain a database of its employees. The database is divided
into a number of classes. Specify all the classes and define methods to create the database and retrieve
individual information as and when required.

Code for Program that maintains employee database of an education system in Java

import java.io.*;

class staff
{
         String code,name;
         void getStaff()
         {   
              try{
                  BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                  System.out.print("Enter Code : ");
                  System.out.flush();
                  code=obj.readLine();

                  System.out.print("Enter Name : ");
                  System.out.flush();
                  name=obj.readLine();
                 }
            catch(Exception e)
                {    }
        }
    
    void displayStaff()
    {
           System.out.println("\nCODE :  "+code);
           System.out.println("NAME  :  "+name);
    }
}

class teacher extends staff
{
         String subject,publication;
          void getTeacher()
           {   
                 getStaff();   //calling getStafftry{
                  BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                  System.out.print("Enter Subject : ");
                  System.out.flush();
                  subject=obj.readLine();

                  System.out.print("Enter Publication : ");
                  System.out.flush();
                  publication=obj.readLine();
                  }
            catch(Exception e)
                {    }
          }
    
        void displayTeacher()
        {
            displayStaff();   //calling displayStaff
           System.out.println("SUBJECT :  "+subject);
           System.out.println("PUBLICATION  :  "+publication);
        }
}

class typist extends staff
{
        String speed;
         void getTypist()
         {   
            getStaff();   //calling getStafftry{
                  BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                  System.out.print("Enter Speed : ");
                  System.out.flush();
                  speed=obj.readLine();
                  }
            catch(Exception e)
                {    }
        }
    
    void displayTypist()
    {
            displayStaff();   //calling displayStaff
           System.out.println("SPEED :  "+speed);
    }
}

class officer extends staff
{
     String grade;
      void getOfficer()
         {   
              getStaff(); //calling getStaff()try{
                  BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                  System.out.print("Enter Grade : ");
                  System.out.flush();
                  grade=obj.readLine();
                  }
            catch(Exception e)
                {    }
        }
    
    void displayOfficer()
    {
           displayStaff();   //calling displayStaff
           System.out.println("GRADE :  "+grade);
    }
}


class regular extends typist
{
}

class casual extends typist
{
      String wages;
       void getCasual()
         {   
              getTypist(); //calling getTypist()try{
                  BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                  System.out.print("Enter Daily Wages : ");
                  System.out.flush();
                  wages=obj.readLine();
                  }
            catch(Exception e)
                { }
        }
    
    void displayCasual()
    {
           displayTypist(); //calling displayTypist
           System.out.println("WAGES :  "+wages);
    }
}

class Education
{
      publicstaticvoid main(String args[])
      {

           int choice=1;
           String str;
           while(choice!=0){
                 System.out.println("\n\nChoose Your Choice...");
                 System.out.println("1) Teacher Details");
                 System.out.println("2) Typist Details ");
                 System.out.println("3) Officer Details");
                 System.out.println("Press 0 (ZERO) to exit ");
                 System.out.print("Enter your choice :  ");
                 System.out.flush();
                 try{
                       BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
                       str=obj.readLine();
                       choice=Integer.parseInt(str);
                }catch(Exception e) {}
                  
                  if(choice==0)
                  {
                      System.out.println("\n\nThanks for Visiting\nDo Visit next time....\n");
                       System.exit(1);
                  }

                 switch(choice){
                       case 1 :     System.out.println("\n=====TEACHER DETAILS=====");
                                         System.out.println("\nInputing Data");
                                         teacher obj_teacher=new teacher();
                                         obj_teacher.getTeacher();
                                         System.out.println("\nDisplaying Data");
                                         obj_teacher.displayTeacher();
                                         break;
                        case 2 :    System.out.println("\n=====TYPIST DETAILS=====\n");
                                         System.out.println("\nInputing Data");
                                         casual obj_casual=new casual();
                                         obj_casual.getCasual();
                                         System.out.println("\nDisplaying Data");
                                         obj_casual.displayCasual();
                                         break;
                        case 3 :    System.out.println("\n=====OFFICER DETAILS=====\n");
                                         System.out.println("\nInputing Data");
                                         officer obj_officer=new officer();
                                         obj_officer.getOfficer();
                                         System.out.println("\nDisplaying Data");
                                         obj_officer.displayOfficer();
                                         break; 
                        }
          }
    }
}
  
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Easy Tutor
Easy Tutor author of Program that maintains employee database of an education system is from United States. Easy Tutor says

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