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package com.example.project_2.controller;

import com.example.project_2.model.employee;
import com.example.project_2.service.EmployeeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class EmpController {
@Autowired
EmployeeService employeeService;
@GetMapping("/get/{id}")
public void getById(@PathVariable int id){
employeeService.getById(id);
}

}
package com.example.project_2.Dao;

import com.example.project_2.model.employee;
import jakarta.persistence.Entity;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;

@Repository
public interface Erepo extends JpaRepository<employee, Integer> {
}
package com.example.project_2.model;

import jakarta.persistence.Entity;
import jakarta.persistence.Id;

@Entity
public class employee {
@Id
private int id;
private String name;
private String cubicle_no;

public employee() {
}

public employee(int id, String name, String cubicle_no) {
    this.id = id;
    this.name = name;
    this.cubicle_no = cubicle_no;
}

public int getId() {
    return id;
}

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

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}

public String getCubicle_no() {
    return cubicle_no;
}

public void setCubicle_no(String cubicle_no) {
    this.cubicle_no = cubicle_no;
}

@Override
public String toString() {
    return "employee{" +
            "id=" + id +
            ", name='" + name + '\'' +
            ", cubicle_no='" + cubicle_no + '\'' +
            '}';
}

}
package com.example.project_2.service;

import com.example.project_2.Dao.Erepo;
import com.example.project_2.model.employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class EmployeeService {
@Autowired
Erepo repo;

public employee getById(int id) {
   return repo.getById(id);
}

}