Question & Answer: This is an Employee Information system, intended for the use of the manager or other administrative personal to store, edit, and re-acc…..

import java.util.ArrayList;
import java.util.Scanner;

public class EmployeeClientoperations {
ArrayList<BasicInfo> al = new ArrayList<BasicInfo>();

public void addEmployee(BasicInfo p) {
al.add(p);
}

public void deleteEmployee(int id) {
if (al.size() > 0) {
for (int i = 0; i < al.size(); i++) {
if (al.get(i).getId() == id) {
al.remove(i);
}

}
}
}

public BasicInfo searchEmployee(int id) throws Exception {
if (al.size() > 0) {
for (int i = 0; i < al.size(); i++) {
if (al.get(i).getId() == id) {
return al.get(i);
}
else
{
throw new Exception(“The Id is not found”);
}

}

}
return null;

}

public ArrayList<BasicInfo> displayEmployeeList() {
return al;
}
}

class HoursAndSalary
{
float salary;
int des;
HoursAndSalary ()
{
System.out.println(“Enter Designation:”);
des = get.nextInt();
System.out.println(“Enter Salary:”);
salary = get.nextFloat();
}
void display()
{
System.out.println(“==============================”+”n”+”Full Time BasicInfo Details”+”n”+”==============================”+”n”);
super.display();
System.out.println(“Salary: “+salary);
System.out.println(“Designation: “+des);
}
}

class SalaryCalc extends HoursAndSalary
{
int workinghrs, rate;
SalaryCalc ()
{
System.out.println(“Enter Number of Working Hours:”);
workinghrs = get.nextInt();
}
void SalaryCalculation()
{
rate = 8 * workinghrs;
}

void display()
{
System.out.println(“==============================”+”n”+”Part Time BasicInfo Details”+”n”+”==============================”+”n”);
super.display();
System.out.println(“Number of Working Hours: “+workinghrs);
System.out.println(“Salary for “+workinghrs+” working hours is: $”+rate);
}
}
class EmployeeClient {
public static void main(String args[]) throws Exception {

EmployeeClientoperations pm = new EmployeeClientoperations();
int choice;
do {
Scanner sc = new Scanner(System.in);
System.out.println(“enter choice:”);
choice = sc.nextInt();
switch (choice) {
case 1:
System.out.println(“add employeedetails:”);
System.out.println(“enter id:”);
int id = sc.nextInt();
System.out.println(“enter firstname:”);
String firstname = sc.next();
System.out.println(“enter lastname:”);
String lastname = sc.next();
System.out.println(“enter address:”);
String address = sc.next();
System.out.println(“enter emailAddress:”);
String emailAddress = sc.next();
System.out.println(“enter postiontitle:”);
String postiontitle = sc.next();
System.out.println(“Enter phonenumber:”);
int phonenumber = sc.nextInt();

pm.addEmployee(newEmployee(id,firstname,lastname,address,emailAddress,postiontitle,phonenumber));
break;
case 2:
System.out.println(“Searchemployee:”);
System.out.println(“enter Employee id:”);
id = sc.nextInt();
Employee p = pm.searchEmployee(id);
System.out.println(p.toString());
break;
case 3:
System.out.println(“delete Employee:”);
System.out.println(“enter Employee id:”);
id = sc.nextInt();
pm.deleteEmployee(id);
break;
case 4:
System.out.println(“Display Employees:”);
ArrayList<BasicInfo> al = pm.displayEmployeeList();
if (al.size() > 0) {
for (BasicInfo p1 : al) {
System.out.println(p1.toString());

}
} else {
System.out.println(“no Employees available”);
}

break;
default:
System.out.println(“invalid choice”);
}
} while (choice > 0);

}
System.out.println(“================================”+”n”+”Enter Full Time BasicInfo Details”+”n”+”================================”+”n”);
HoursAndSalary ob1 = new HoursAndSalary();
SalaryCalc   ob = new SalaryCalc ();
System.out.println(“================================”+”n”+”Enter Part Time BasicInfo Details”+”n”+”================================”+”n”);
ob.SalaryCalculation();

}
}

class BasicInfo {
private int id;
private String firstname;
private String lastname;
private String address;
private String emailAddress;
private String postiontitle;
private String Departname;
private int phonenumber;

public BasicInfo(int id, String firstname, String lastname, String address, String emailAddress,
String postiontitle, String departname, int phonenumber) {
super();
GenerateID random ;
ID=random.GenerateID();
this.firstname = firstname;
this.lastname = lastname;
this.address = address;
this.emailAddress = emailAddress;
this.postiontitle = postiontitle;
Departname = departname;
this.phonenumber = phonenumber;
}

public String getFirstname() {
return firstname;
}

public void setFirstname(String firstname) {
this.firstname = firstname;
}

public String getLastname() {
return lastname;
}

public void setLastname(String lastname) {
this.lastname = lastname;
}

public String getAddress() {
return address;
}

public void setAddress(String address) {
this.address = address;
}

public String getEmailAddress() {
return emailAddress;
}

public void setEmailAddress(String emailAddress) {
this.emailAddress = emailAddress;
}

public int getPhonenumber() {
return phonenumber;
}

public void setPhonenumber(int phonenumber) {
this.phonenumber = phonenumber;
}

public int getId() {
return id;
}

public String getfirstname() {
return firstname;
}

public void setfirstname(String firstname) {
this.firstname = firstname;
}

public int getphonenumber() {
return phonenumber;
}

public void setphonenumber(int phonenumber) {
this.phonenumber = phonenumber;
}

public void setId(int id) {
this.id = id;
}

@Override
public String toString() {
return “BasicInfo [id=” + id + “, firstname=” + firstname + “, lastname=” + lastname + “, address=”
+ address + “, emailAddress=” + emailAddress + “, postiontitle=” + postiontitle
+ “, Departname=” + Departname + “, phonenumber=” + phonenumber + “]”;
}
}

class GenerateID
{
System.out.println(“***** Generating Random Number of 4 digit *****”);
for(int i=0;i<100;i++){
long fraction = (long)(1000 * random.nextDouble());
int id= (int)(fraction + 1000);
System.out.println(id);
}
}