Here is a simple implementation of the class hierarchy in Java:

```java
// Base class
public class Employee {
String name;
String address;
double salary;
String jobTitle;

public Employee(String name, String address, double salary, String jobTitle) {
this.name = name;
this.address = address;
this.salary = salary;
this.jobTitle = jobTitle;
}

public double calculateBonus() {
return 0.1 * salary; // 10% bonus
}

public void generatePerformanceReport() {
System.out.println("Generating performance report for " + name);
}
}

// Subclass
public class Manager extends Employee {
public Manager(String name, String address, double salary, String jobTitle) {
super(name, address, salary, jobTitle);
}

public void manageProject() {
System.out.println(name + " is managing a project");
}
}

// Subclass
public class Developer extends Employee {
public Developer(String name, String address, double salary, String jobTitle) {
super(name, address, salary, jobTitle);
}

public void manageProject() {
System.out.println(name + " is developing a project");
}
}

// Subclass
public class Programmer extends Employee {
public Programmer(String name, String address, double salary, String jobTitle) {
super(name, address, salary, jobTitle);
}

public void manageProject() {
System.out.println(name + " is programming a project");
}
}
```

In this code, `Employee` is the base class with properties `name`, `address`, `salary`, and `jobTitle`. It has methods for calculating bonuses and generating performance reports. `Manager`, `Developer`, and `Programmer` are subclasses that inherit from `Employee` and each has a method for managing projects.

Question

Here is a simple implementation of the class hierarchy in Java:

```java
// Base class
public class Employee {
    String name;
    String address;
    double salary;
    String jobTitle;

public Employee(String name, String address, double salary, String jobTitle) {
        this.name = name;
        this.address = address;
        this.salary = salary;
        this.jobTitle = jobTitle;
    }

public double calculateBonus() {
        return 0.1 * salary; // 10% bonus
    }

public void generatePerformanceReport() {
        System.out.println("Generating performance report for " + name);
    }
}

// Subclass
public class Manager extends Employee {
    public Manager(String name, String address, double salary, String jobTitle) {
        super(name, address, salary, jobTitle);
    }

public void manageProject() {
        System.out.println(name + " is managing a project");
    }
}

// Subclass
public class Developer extends Employee {
    public Developer(String name, String address, double salary, String jobTitle) {
        super(name, address, salary, jobTitle);
    }

public void manageProject() {
        System.out.println(name + " is developing a project");
    }
}

// Subclass
public class Programmer extends Employee {
    public Programmer(String name, String address, double salary, String jobTitle) {
        super(name, address, salary, jobTitle);
    }

public void manageProject() {
        System.out.println(name + " is programming a project");
    }
}
```

In this code, `Employee` is the base class with properties `name`, `address`, `salary`, and `jobTitle`. It has methods for calculating bonuses and generating performance reports. `Manager`, `Developer`, and `Programmer` are subclasses that inherit from `Employee` and each has a method for managing projects.

Knowee AI · Accepted Answer