Answer to Question #243879 in Java | JSP | JSF for junior

Question

Create an employee form that accepts an employee number, employee name, employee surname, employee department, gender, and salary. The form should insert the employee details in the employee database. Include a table that fetches the employee’s details from the database, deletes and updates these details on a table.

Answer 1

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


class Employee {
	private String number;
	private String name;
	private String surname;
	private String department;
	private String gender;
	private float salary;


	public Employee(String number, String name, String surname, String department, String gender, float salary) {
		this.number = number;
		this.name = name;
		this.surname = surname;
		this.department = department;
		this.gender = gender;
		this.salary = salary;
	}


	public String toString() {
		return "Number: " + number + "\nName: " + name + "\nSurname: " + surname + "\nDepartment: " + department
				+ "\nGender: " + gender + "\nSalary: " + salary;


	}


	/**
	 * @return the number
	 */
	public String getNumber() {
		return number;
	}


	/**
	 * @param number the number to set
	 */
	public void setNumber(String number) {
		this.number = number;
	}


	/**
	 * @return the name
	 */
	public String getName() {
		return name;
	}


	/**
	 * @param name the name to set
	 */
	public void setName(String name) {
		this.name = name;
	}


	/**
	 * @return the surname
	 */
	public String getSurname() {
		return surname;
	}


	/**
	 * @param surname the surname to set
	 */
	public void setSurname(String surname) {
		this.surname = surname;
	}


	/**
	 * @return the department
	 */
	public String getDepartment() {
		return department;
	}


	/**
	 * @param department the department to set
	 */
	public void setDepartment(String department) {
		this.department = department;
	}


	/**
	 * @return the gender
	 */
	public String getGender() {
		return gender;
	}


	/**
	 * @param gender the gender to set
	 */
	public void setGender(String gender) {
		this.gender = gender;
	}


	/**
	 * @return the salary
	 */
	public float getSalary() {
		return salary;
	}


	/**
	 * @param salary the salary to set
	 */
	public void setSalary(float salary) {
		this.salary = salary;
	}


}


public class Main {


	public static int getEmployeeIndex(ArrayList<Employee> employees, String number) {
		for (int i = 0; i < employees.size(); i++) {
			if (employees.get(i).getNumber().compareTo(number) == 0) {
				return i;
			}
		}
		return -1;
	}


	public static void main(String[] args) {
		ArrayList<Employee> employees = new ArrayList<Employee>();
		Scanner input = new Scanner(System.in);


		String number;
		String name;
		String surname;
		String department;
		String gender;
		float salary;


		int ch = -1;


		while (ch != 5) {
			System.out.println("1. Add a new employee");
			System.out.println("2. Display all employees");
			System.out.println("3. Edit employee");
			System.out.println("4. Delete a new employee");
			System.out.println("5. Exit");
			System.out.print("Your choice: ");
			ch = input.nextInt();
			input.nextLine();
			switch (ch) {
			case 1: {
				System.out.print("Enter number: ");
				number = input.nextLine();
				System.out.print("Enter name: ");
				name = input.nextLine();
				System.out.print("Enter surname: ");
				surname = input.nextLine();
				System.out.print("Enter department: ");
				department = input.nextLine();
				System.out.print("Enter gender: ");
				gender = input.nextLine();
				System.out.print("Enter salary: ");
				salary = input.nextFloat();
				employees.add(new Employee(number, name, surname, department, gender, salary));


			}
				break;
			case 2: {
				for (int i = 0; i < employees.size(); i++) {
					System.out.println(employees.get(i).toString() + "\n");
				}
			}
				break;
			case 3: {
				System.out.print("Enter number to edit: ");
				number = input.nextLine();
				int index = getEmployeeIndex(employees, number);
				if (index != -1) {
					System.out.print("Enter a new name: ");
					name = input.nextLine();
					System.out.print("Enter a new surname: ");
					surname = input.nextLine();
					System.out.print("Enter a new department: ");
					department = input.nextLine();
					System.out.print("Enter a new gender: ");
					gender = input.nextLine();
					System.out.print("Enter a new salary: ");
					salary = input.nextFloat();
					employees.remove(index);
					employees.add(index, new Employee(number, name, surname, department, gender, salary));
					System.out.println("\nEmployee has been updated\n");
				} else {
					System.out.println("\nEmployee does not exist\n");
				}
			}
				break;
			case 4: {
				System.out.print("Enter number to delete: ");
				number = input.nextLine();
				int index = getEmployeeIndex(employees, number);
				if (index != -1) {
					employees.remove(index);
					System.out.println("\nEmployee has been deleted\n");
				} else {
					System.out.println("\nEmployee does not exist\n");
				}
			}
				break;
			case 5: {
				// exit
			}
				break;
			default: {


			}
				break;
			}


		}


		input.close();
	}


}