Employee Problem

public class Commission extends Employee {

	@Override
	void calcSalary() {

	}

}

public abstract class Employee {

	String stringVar;
	int intVar;

	abstract void calcSalary();
}

public class Hourly extends Employee {

	@Override
	void calcSalary() {

	}

}

public class Main {

	public static void main(String[] args) {
		Employee[] employee = new Employee[4];

		employee[0] = new Commission();
		employee[1] = new Commission();
		employee[2] = new Hourly();
		employee[3] = new Hourly();

		for(Employee current: employee) {
			current.calcSalary();
		}
	}
}