raviyasas

Employee emp1 = new Employee(1,'Ann');
Employee emp2 = new Employee(2,'John');
Employee emp3 = new Employee(3,'Rex');

Map<Employee, String> myHashMap = new HashMap<>();

hashMap.put(emp1, 'IT');
hashMap.put(emp2, 'DEV');
hashMap.put(emp3, 'QA');
hashMap.put(null, 'QA');

raviyasas

public class Employee{
  
    private int id;
    private String employeeName;
 
    public Employee(int id) {
        this.id= id;
    }
 
    //getters and setters

raviyasas

import React, { useState, useEffect } from 'react'
import Table from '@mui/material/Table';
import TableBody from '@mui/material/TableBody';
import TableCell from '@mui/material/TableCell';
import TableContainer from '@mui/material/TableContainer';
import TableHead from '@mui/material/TableHead';
import TableRow from '@mui/material/TableRow';
import Button from '@mui/material/Button';
import TextField from '@mui/material/TextField';
import Dialog from '@mui/material/Dialog';

raviyasas

import React, { useState } from 'react';
import TaskService from "../service/task.services";
import { Form, InputGroup, Button } from "react-bootstrap";
import '../styles/AddTask.css';

export const AddTask = () => {

    const [taskName, setTaskName] = useState("");
    const [taskDescription, setTaskDescription] = useState("");

raviyasas

import { db } from "../firebase-config"
import { doc, getDoc, getDocs, collection, addDoc, updateDoc, deleteDoc} from "firebase/firestore";

const tasksCollectionRef = collection(db, "tasks");

class TaskService{

    getTask = (id) => {
        const taskDoc = doc(db, "tasks", id);
        return getDoc(taskDoc);

raviyasas

if(instance == null){
  synchronized (ThreadSafe.class){
    if(instance == null){
      instance = new ThreadSafe();
    }
  }
}

raviyasas

synchronized (ThreadSafe.class){
  if(instance == null){
    instance = new ThreadSafe();
  }
}

raviyasas

@Service
public class EmployeeService {

    @Autowired
    private AccountService accountService;

    @Transactional
    public void getAccountDetails() {
       accountService.createAccountDocument();
    }

raviyasas

@Service
@Transactional
public class EmployeeService {

    @Autowired
    public EmployeeService(EmployeeRepository employeeRepository){
        this.employeeRepository=employeeRepository;
    }

    private EmployeeRepository employeeRepository;

raviyasas

@RestController
@RequestMapping("/api/employee")
public class EmployeeController {

    @Autowired
    public EmployeeController(EmployeeService employeeService){
        this.employeeService=employeeService;
    }

    private EmployeeService employeeService;