给出java实现员工管理系统的主要代码
时间: 2023-09-11 17:12:24 浏览: 51
以下是一个简单的员工管理系统的Java实现,包含了员工信息的录入、修改、删除、查询和显示功能。其中包括了员工类、员工管理类以及主函数类。
```
import java.util.ArrayList;
import java.util.Scanner;
class Employee {
private int id;
private String name;
private int age;
private double salary;
public Employee(int id, String name, int age, double salary) {
this.id = id;
this.name = name;
this.age = age;
this.salary = salary;
}
public int getId() {
return id;
}
public String getName() {
return name;
}
public int getAge() {
return age;
}
public double getSalary() {
return salary;
}
public void setName(String name) {
this.name = name;
}
public void setAge(int age) {
this.age = age;
}
public void setSalary(double salary) {
this.salary = salary;
}
public String toString() {
return "ID: " + id + ", Name: " + name + ", Age: " + age + ", Salary: " + salary;
}
}
class EmployeeManagement {
private ArrayList<Employee> employees = new ArrayList<Employee>();
public void addEmployee(Employee employee) {
employees.add(employee);
}
public void removeEmployee(int index) {
employees.remove(index);
}
public void updateEmployee(int index, String name, int age, double salary) {
Employee employee = employees.get(index);
employee.setName(name);
employee.setAge(age);
employee.setSalary(salary);
}
public Employee findEmployee(int id) {
for (Employee employee : employees) {
if (employee.getId() == id) {
return employee;
}
}
return null;
}
public void displayEmployees() {
for (Employee employee : employees) {
System.out.println(employee.toString());
}
}
}
public class EmployeeManagementSystem {
public static void main(String[] args) {
EmployeeManagement employeeManagement = new EmployeeManagement();
Scanner scanner = new Scanner(System.in);
while (true) {
System.out.println("1. Add Employee");
System.out.println("2. Remove Employee");
System.out.println("3. Update Employee");
System.out.println("4. Find Employee");
System.out.println("5. Display Employees");
System.out.println("6. Exit");
System.out.print("Enter your choice: ");
int choice = scanner.nextInt();
switch (choice) {
case 1:
System.out.print("Enter Employee ID: ");
int id = scanner.nextInt();
System.out.print("Enter Employee Name: ");
String name = scanner.next();
System.out.print("Enter Employee Age: ");
int age = scanner.nextInt();
System.out.print("Enter Employee Salary: ");
double salary = scanner.nextDouble();
Employee employee = new Employee(id, name, age, salary);
employeeManagement.addEmployee(employee);
break;
case 2:
System.out.print("Enter Index of Employee to Remove: ");
int index = scanner.nextInt();
employeeManagement.removeEmployee(index);
break;
case 3:
System.out.print("Enter Index of Employee to Update: ");
index = scanner.nextInt();
System.out.print("Enter Employee Name: ");
name = scanner.next();
System.out.print("Enter Employee Age: ");
age = scanner.nextInt();
System.out.print("Enter Employee Salary: ");
salary = scanner.nextDouble();
employeeManagement.updateEmployee(index, name, age, salary);
break;
case 4:
System.out.print("Enter Employee ID to Find: ");
id = scanner.nextInt();
Employee foundEmployee = employeeManagement.findEmployee(id);
if (foundEmployee != null) {
System.out.println(foundEmployee.toString());
} else {
System.out.println("Employee not found");
}
break;
case 5:
employeeManagement.displayEmployees();
break;
case 6:
System.exit(0);
break;
default:
System.out.println("Invalid choice");
break;
}
}
}
}
```
以上代码仅为示例,可能需要根据具体的需求进行更改和扩展。