1. Define Employee class with attributes: name, age, phoneNumber, address, and salary.
    1.1. Implement a method to print salary.

2. Define Officer class inheriting from Employee:
    2.1. Add attribute: specialization.
    2.2. Implement a method to display officer details.

3. Define Manager class inheriting from Employee:
    3.1. Add attribute: department.
    3.2. Implement a method to display manager details.

4. In the main program:
    4.1. Create an instance of Officer and set its attributes.
    4.2. Create an instance of Manager and set its attributes.
    4.3. Print the details of the Manager.
    4.4. Print the details of the Officer.

5. End

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class Employee {
    String name;
    int age;
    String phoneNumber;
    String address;
    double salary;

    public void printSalary() {
        System.out.println("Salary: " + salary);
    }
}

class Officer extends Employee {
    String specialization;
    public void displayInfo() {
        System.out.println("Name: "+ name);
        System.out.println("Age: "+ age);
        System.out.println("Phone Number: "+ phoneNumber);
        System.out.println("Address: "+ address);
        printSalary();
        System.out.println("Specialization: "+ specialization);
    }
}

class Manager extends Employee {
    String department;
    public void displayInfo(){
        System.out.println("Name: "+ name);
        System.out.println("Age: "+ age);
        System.out.println("Phone Number: "+ phoneNumber);
        System.out.println("Address: "+ address);
        printSalary();
        System.out.println("Department: "+ department);
    }
}

public class Main {
    public static void main(String[] args){
        Officer officer = new Officer();
        officer.name = "John";
        officer.age = 23;
        officer.phoneNumber = "123-909-2239";
        officer.address = "9569 E Light Dr";
        officer.salary = 50000;
        officer.specialization = "Tech";

        Manager manager = new Manager();
        manager.name = "Doe";
        manager.age = 23;
        manager.phoneNumber = "123-909-2239";
        manager.address = "94559 E Light Dr";
        manager.salary = 90000;
        manager.department = "Finance";

        System.out.println("Manager Info");
        manager.displayInfo();
        System.out.println("Officer Info");
        officer.displayInfo();
    }
}