EmployeeClient.java
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import java.util.ArrayList;//importing various library for usage
import java.util.Scanner;
public class EmployeeClient
{ private static int count=0;//instantiating static variable to be used to count how many employees added
public static void main(String[] args)
{
ArrayList<String>employeefName = new ArrayList<>();//arraylist of various private datas to store info
ArrayList<String>employeelName = new ArrayList<>();
ArrayList<String>employeeID = new ArrayList<>();
ArrayList<String>employeeDept = new ArrayList<>();
ArrayList<String>employeePhone = new ArrayList<>();
ArrayList<String>employeeAddress = new ArrayList<>();
ArrayList<String>employeeEmail = new ArrayList<>();
ArrayList<String>employeeTitle = new ArrayList<>();
ArrayList<String>employeeWorkID = new ArrayList<>();
ArrayList<String>employeePositionNum = new ArrayList<>();
Scanner input = new Scanner(System.in);
System.out.println(“Welcome to the Employee Information Managing Programme!nPress y to start!”);//as long as input is y, loop will keep going and asking the user what to do until user wants to quit
String start = input.nextLine();
while (start.equals(“y”))
{
System.out.println(” There are currently “+employeefName.size()+” employees stored in the system.”);//display current number of employees added
System.out.println(” Press a to start adding employee’s info,f to find info about employee,e to edit employee’s info,n d to delete,m for editing financial info and q to quit the program!!”);//presenting options
String whattodo = input.nextLine();
if (whattodo.equals(“a”))
{ //ask users to entere relevant info
System.out.println(“Please enter his/her first name:”);
String fName= input.nextLine();
System.out.println(“Please enter his/her last name:”);
String lName = input.nextLine();
System.out.println(“Please enter his/her ID number:”);
String ID = input.nextLine();
System.out.println(“Please enter his/her department:”);
String department = input.nextLine();
System.out.println(“Please enter his/her phone number:”);
String phone = input.nextLine();
System.out.println(“Please enter his/her address:”);
String address = input.nextLine();
System.out.println(“Please enter his/her email:”);
String email = input.nextLine();
System.out.println(“Please enter his/her title:”);
String title = input.nextLine();
employeefName.add(fName);
employeelName.add(lName);
employeeID.add(ID);
employeeDept.add(department);
employeePhone.add(phone);
employeeAddress.add(address);
employeeEmail.add(email);
employeeTitle.add(title); //add info into appropriate arraylists
BasicInfo employee = new BasicInfo(employeefName.get(count),employeelName.get(count),employeeID.get(count),employeeAddress.get(count),employeeDept.get(count),employeePhone.get(count),employeeEmail.get(count),employeeTitle.get(count));
GenerateID employeeIDno =new GenerateID(employee); //creating new objects to be used by toString
employeeWorkID.add(employeeIDno.getEmployeeID()); //generate random numbers and save into array
employeeIDno.getDepartmentID(department);//grab departmentID to be concatenated to positionnum
employeePositionNum.add(employeeIDno.getPositionNum()); //add info into appropriate arraylists
employeeIDno.getConcatenatedID();//combine departmentID and positionnum…this is done individually and not saved into an array
System.out.printf(“%n%s:%n%n%s%n%n”,”Updated employee info”, employeeIDno.toString());//display using toString
count++;
}
if (whattodo.equals(“f”))
{
System.out.println(“Please enter the employee’s first name:”);//find employee via searching through arraylists
String Name= input.nextLine();
if(employeefName.contains(Name))//if input matches one of the arraylist entries
{
int index=employeefName.indexOf(Name);//display found info using the indexOf function to generate the index number
BasicInfo employee = new BasicInfo(employeefName.get(index),employeelName.get(index),employeeID.get(index),employeeAddress.get(index),employeeDept.get(index),employeePhone.get(index),employeeEmail.get(index),employeeTitle.get(index));
GenerateID employeeIDno =new GenerateID(employee);
employeeIDno.getDepartmentID(employeeDept.get(index));
employeeIDno.setEmployeeID(employeeWorkID.get(index));
employeeIDno.setPositionNum(employeePositionNum.get(index));
employeeIDno.getConcatenatedID();
System.out.printf(“%n%s:%n%n%s%n%n”,”Employee found: “, employeeIDno.toString());
}
else
System.out.println(“Employee cannnot be found in the database!”);
}
if (whattodo.equals(“e”))
{
System.out.println(“Please enter the employee’s first name for identification purpose”);
String Nametobefound = input.nextLine();//using the same mechanism as above to edit info
if(employeefName.contains(Nametobefound))
{
int indexno=employeefName.indexOf(Nametobefound);
int editoption=0;
while (editoption<9) //going into each different arraylist and individually edit the corresponding entry
{ System.out.println(“What categories of info would you like to edit about employee “+employeefName.get(indexno)+ “:”);
System.out.println(“Enter 1 for first name,2 for last name, 3 for ID, 4 for department,n5 for phone number, 6 for address, 7 for email and 8 for position title and 9 or any other number to quit:”);
editoption=input.nextInt();
input.nextLine();
switch(editoption)
{case 1:
System.out.println(“Please enter “+employeefName.get(indexno)+”‘s new first name: “);
String newfirstN=input.nextLine();
employeefName.set(indexno,newfirstN);
break;
case 2:
System.out.println(“Please enter “+employeefName.get(indexno)+”‘s new last name: “);
String newlastN=input.nextLine();
employeelName.set(indexno,newlastN);
break;
case 3:
System.out.println(“Please enter “+employeefName.get(indexno)+”‘s new ID: “);
String newID=input.nextLine();
employeeID.set(indexno,newID);
break;
case 4:
System.out.println(“Please enter “+employeefName.get(indexno)+”‘s new department: “);
String newdept=input.nextLine();
employeeDept.set(indexno,newdept);
break;
case 5:
System.out.println(“Please enter “+employeefName.get(indexno)+”‘s new phone number: “);
String newphone=input.nextLine();
employeeAddress.set(indexno,newphone);
break;
case 6:
System.out.println(“Please enter “+employeefName.get(indexno)+”‘s new address: “);
String newaddress=input.nextLine();
employeeAddress.set(indexno,newaddress);
break;
case 7:
System.out.println(“Please enter “+employeefName.get(indexno)+”‘s new email: “);
String newemail=input.nextLine();
employeeEmail.set(indexno,newemail);
break;
case 8:
System.out.println(“Please enter “+employeefName.get(indexno)+”‘s new position title: “);
String newtitle=input.nextLine();
employeeEmail.set(indexno,newtitle);
break;
default:
System.out.println(“Editing completed!”);
break;
}
BasicInfo employee = new BasicInfo(employeefName.get(indexno),employeelName.get(indexno),employeeID.get(indexno),employeeAddress.get(indexno),employeeDept.get(indexno),employeePhone.get(indexno),employeeEmail.get(indexno),employeeTitle.get(indexno));
GenerateID employeeIDno =new GenerateID(employee);
employeeIDno.getDepartmentID(employeeDept.get(indexno));
employeeIDno.setEmployeeID(employeeWorkID.get(indexno));
employeeIDno.setPositionNum(employeePositionNum.get(indexno));
employeeIDno.getConcatenatedID();//display edited info
System.out.printf(“%n%s:%n%n%s%n%n”,”Employee info has been edited: “, employeeIDno.toString());
}
}
else
{
System.out.println(“Employee cannot be found”);
}
}
if(whattodo.equals(“d”))
{
System.out.println(“Please enter the employee’s first name for identification purpose”);
String Nametobedeleted= input.nextLine();
if(employeefName.contains(Nametobedeleted))//find approriate entry using the same mechanism as above
{
int indexdelete=employeefName.indexOf(Nametobedeleted);
BasicInfo employee = new BasicInfo(employeefName.get(indexdelete),employeelName.get(indexdelete),employeeID.get(indexdelete),employeeAddress.get(indexdelete),employeeDept.get(indexdelete),employeePhone.get(indexdelete),employeeEmail.get(indexdelete),employeeTitle.get(indexdelete));
System.out.printf(“%n%s:%n%n%s%n%n”,”Employee found: “, employee.toString());
System.out.println(“Do you want to remove this employee from the database? Enter y for yes”);
String deleteconfirm=input.nextLine();
if(deleteconfirm.equals(“y”))
{
System.out.println(“Deleting employee “+employeefName.get(indexdelete)+ “‘s info”);
employeefName.remove(indexdelete);
employeelName.remove(indexdelete);
employeeID.remove(indexdelete);
employeeDept.remove(indexdelete);
employeePhone.remove(indexdelete);
employeeAddress.remove(indexdelete);
employeeEmail.remove(indexdelete);
employeeTitle.remove(indexdelete);
employeeWorkID.remove(indexdelete);
employeePositionNum.remove(indexdelete);//remove entry from array list
count–;
}
}
else
System.out.println(“Employee cannot be found”);
}
if ( whattodo.equals(“m”))//ask user to enter appropriate input in order to deduce calculation
{
System.out.println(“Please enter the wage per hours: “);
int salary = input.nextInt();
input.nextLine();
System.out.println(“Please enter the total budget: “);
int budget = input.nextInt();
input.nextLine();
System.out.println(“Please enter the total hours worked per week: “);
int timeworked= input.nextInt();
input.nextLine();
System.out.println(“Please enter the total insurance cost: “);
int insurance = input.nextInt();
input.nextLine();
System.out.println(“Please enter the total bonus to be given out: “);
int bonus = input.nextInt();
input.nextLine();
System.out.println(“Please enter the total overtime hours worked per week: “);
int overtimeworked = input.nextInt();
input.nextLine();
SalaryCalc company = new SalaryCalc(salary,budget,timeworked,insurance,bonus,overtimeworked);
company.totalYearlySalary();
company.miscYearlyCostCalc();
System.out.println(” There are currently “+employeefName.size()+” employees stored in the system.”);
System.out.println(” Is this the correct number of employees?Enter y for yes and n for no!”);
String confirmnumofemployees=input.nextLine();
if (confirmnumofemployees.equals(“y”))
{
company.yearlyExpenseCalc(employeefName.size());//takes in number of employee using the size of the array lists
company.budgetDeficitCalc();
}
else
{
System.out.println(“Please enter the number of employees: “);
int numofemployees = input.nextInt();
input.nextLine();
company.yearlyExpenseCalc(numofemployees);//takes in entered number of employee instead of array lists
company.budgetDeficitCalc();
}
}
if (whattodo.equals(“q”))
{
System.out.println(“The program will now end!”);
break;
}
}
}
}
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GenerateID.java
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import java.util.Random;
public class GenerateID
{
private BasicInfo department;
private String EmployeeID;
private String positionnum;
private String departmentID;
private String concatenatedID;
//instantiating instance variables
public GenerateID(BasicInfo department)
{
this.department=department;//constructor method with composition
}
public void setEmployeeID(String EmployeeID)
{
this.EmployeeID = EmployeeID;//mutator method
}
public void setPositionNum(String positionnum)
{
this.positionnum=positionnum;//mutator method
}
public void setConcatenatedID(String concatenatedID)
{
this.concatenatedID=concatenatedID;
}
public String getEmployeeID()//create random number then return it
{Random randomEmployeeID = new Random(); //creating new random object
{
EmployeeID = Integer.toString(randomEmployeeID.nextInt((9999-1000)+1)+1000); //generate 4 non-unique digits random number
}
return EmployeeID;
}
public String getDepartmentID(String department)//takes in a string and return the short handed version to be used later
{
if (department.equals(“English”))
departmentID = “ENG”;
else if (department.equals(“Sciences”))
departmentID = “SCI”;
else if (department.equals(“Engineering”))
departmentID = “ENGR”;
else if (department.equals(“Math”))
departmentID = “MAT”;
else if (department.equals(“Social Sciences”))
departmentID = “SOC”;
else if (department.equals(“Computer Science”))
departmentID = “CSC”;
else if (department.equals(“Nursing”))
departmentID = “NUR”;
else if (department.equals(“Arts”))
departmentID = “ART”;
else if (department.equals(“Business”))
departmentID = “BUS”;
else
departmentID =”N/A”;
return (departmentID);
}
public String getPositionNum()//create a random number and return the departmentID concatenated at the beginning
{
Random randomPositionNum = new Random();
{
positionnum = Integer.toString(randomPositionNum.nextInt((9999-1000)+1)+1000);
//generating 4 non-unique digits random number
}
return (positionnum);
}
public String getConcatenatedID()
{
concatenatedID = departmentID+positionnum;
return concatenatedID;
}
@Override
public String toString()//display result, including the BasicInfo object
{
return String.format(“%snEmployeeID: %snPosition Number: %sn”,department,EmployeeID,concatenatedID);
}
}
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BasicInfo.java
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public class BasicInfo
{
private String firstName,lastName,ID,department,phone,address,email,title;//íntantiating instance variable to stor datas
public BasicInfo(String firstName,String lastName, String ID,String address, String department, String phone, String email,String title)
{
this.firstName= firstName;
this.lastName=lastName;
this.ID=ID;
this.department=department;
this.phone=phone;
this.address=address;
this.email=email;
this.title=title;
//constructor method
}
public void setFirstName(String firstName)//
{
this.firstName = firstName;
//mutator method
}
public void setLastName(String lastName)
{
this.lastName =lastName;
//mutator method
}
public void setID(String ID)
{
this.ID=ID;
//mutator method
}
public void setDepartment(String department)
{
this.department= department;
//mutator method
}
public void setAddress(String address)
{
this.address=address;
//mutator method
}
public void setEmail(String email)
{
this.email=email;
//mutator method
}
public void setTitle(String title)
{
this.title=title;
//mutator method
}
public void setPhone(String phone)
{
this.phone=phone;
//mutator method
}
public String getfirstName()
{
return firstName;
//assessor method
}
public String getlastName()
{
return lastName;
//assessor method
}
public String getID()
{
return ID;
//assessor method
}
public String getDepartment()
{
return department;
//assessor method
}
public String getPhone()
{
return phone;
//assessor method
}
public String getAddress()
{
return address;
//assessor method
}
public String getEmail()
{
return email;
//assessor method
}
public String getTitle()
{
return title;
//assessor method
}
@Override
public String toString()
{
return String.format(“First Name: %s Last Name: %snID: %snDepartment: %snPhone Number: %snAddress: %snEmail Address: %snTitle: %s”, getfirstName(), getlastName(),getID(),getDepartment(),getPhone(),getAddress(),getEmail(),getTitle());
//overriden toString method to display all the entered variables.
}
}
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SalaryCalc.java
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public class SalaryCalc extends HoursAndSalary
{//several different simple calculations to be done to try and find various financial aspects
private int insurance;
private int overtimepayperhour;
private int overtimeworked;//based on 1 week
private double bonus;
private double miscCost;
private double yearlyExpense;
private double totalsalary;
public SalaryCalc(int payperhours,int budget,int totalhoursperweek,int insurance,double bonus, int overtimeworked )
{
super(payperhours,budget,totalhoursperweek);
if (insurance < 0)
{System.out.println(“Numbers have to be non-negative. It has to been set to zero”);
insurance =0;
}
if (overtimeworked < 0)
{
System.out.println(“Numbers have to be non-negative.It has to been set to zero.”);
overtimeworked =0;
}
if (bonus < 0)
{
System.out.println(“Numbers have to be non-negative.It has to been set to zero.”);
bonus =0;
}
overtimepayperhour=payperhours*(1/3)+payperhours;//overtime work modifier
this.insurance=insurance;
this.bonus= bonus;
this.overtimeworked = overtimeworked;
}
public void setInsurance(int insurance)
{
if (insurance < 0)
{System.out.println(“Numbers have to be non-negative. It has to been set to zero”);
insurance =0;
}
this.insurance=insurance;
}
public void setOvertimePay( int overtimepayperhour)
{
if (overtimepayperhour < 9)
{
System.out.println(“Numbers have to be non-negative.It has to been set to zero.”);
overtimeworked =0;
}
this.overtimepayperhour= overtimepayperhour;
}
public void setBonus ( int bonus)
{
if (bonus < 0)
{
System.out.println(“Numbers have to be non-negative.It has to been set to zero.”);
bonus =0;
}
this.bonus=bonus;
}
public void setOvertimeWorked( int overtimeworked)
{
if (overtimeworked < 0)
{
System.out.println(“Numbers have to be non-negative.It has to been set to zero.”);
bonus =0;
}
this.overtimeworked=overtimeworked;
}
public int getInsurance()
{
return insurance;
}
public int getOvertimePay ()
{
return overtimepayperhour;
}
public double getBonus()
{
return bonus;
}
public double getOvertimeWorked()
{
return overtimeworked;
}
public double totalYearlySalary()
{
totalsalary = (totalhoursperweek*payperhours*52)+(overtimepayperhour*overtimeworked*52); //52 weeks in a year
System.out.println(“The total amount of salary paid out to employee including overtime is $”+totalsalary);
return totalsalary;
}
public double miscYearlyCostCalc()
{
miscCost=bonus+insurance;
System.out.println(“The miscelanous cost has an amount of $”+miscCost);
return miscCost;
}
public double yearlyExpenseCalc ( int noofemployee)
{
yearlyExpense=totalsalary*noofemployee+miscCost;
System.out.println(“The yearly expense has an amount of $”+yearlyExpense+”which consisted of misc. cost and total salary paid to “);
return yearlyExpense;
}
public void budgetDeficitCalc ()
{
double Deficit= budget-yearlyExpense;
if (Deficit> 0.0)
System.out.println(“The current budget has a surplus of $”+Deficit);
else
System.out.println(“The current budget has a deficit of $”+Deficit);
}
}
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HoursAndSalary.java
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public class HoursAndSalary
{
protected static double payperhours ;//static variables to be used for every employees
protected static int budget ;
protected static int totalhoursperweek ;//total time based on a week
public HoursAndSalary(int payperhours,int budget,int totalhoursperweek)//there are several calculations to be done.This class checks for errors and set variables to zero.
{
if (payperhours < 9)
{
payperhours = 0;
System.out.println(“Wage per hour has to meet minimum wage level of $9.00. The salary has been set to zero”);
}
if (budget < 0)
{
budget =0;
System.out.println(“Budget has to be positive.It has been set to zero.”);
}
if (totalhoursperweek < 0)
{
payperhours = 0;
System.out.println(“Total time worked has to be positive. It has been set to zero.”);
}
this.payperhours=payperhours;
this.budget=budget;
this.totalhoursperweek=totalhoursperweek;
}
public void setSalary(int payperhours)
{
if (payperhours < 9.0)
{
payperhours = 0;
System.out.println(“Wage per hour has to meet minimum wage level of $9.00. The salary has been set to zero”);
}
this.payperhours=payperhours;
}
public void setBudget(int budget)
{
if (budget < 0)
{
budget =0;
System.out.println(“Budget has to be positive.It has been set to zero”);
}
this.budget=budget;
}
public void setTimeWorked(int totalhoursperweek)
{
if (totalhoursperweek< 0)
{
payperhours = 0;
System.out.println(“Total time worked has to be positive. It has been set to zero.”);
}
this.totalhoursperweek=totalhoursperweek;
}
public double getSalary()
{
return payperhours;
}
public int getBudget()
{
return budget;
}
public int getTimeWorked()
{
return totalhoursperweek;
}
}
