Total salary paid for java-

Company class

public class Company {
	employee[] Employee;
	Double salaries=0;
	Company (employee[] Employee) {
	this.employee=employee
	}
	Public double Salariedpay () {
		salaries=0;
		for (int i=0;i<employee.length;i++) {
			salaries=salaries+employee[i].earings ();
		}
		Return salaries
	}
}

Companysalary class

public class Companysalary {public
	static void Main (string[] args) {
		employee[] employee=new employee[29];< c16/>for (int i=0;i<employee.length;i++) {
			if (i%3==0)
				employee[i]=new weekworker ();
			else if (i%3==1)
				employee[i]=new monthworker ();
			else if (i%3==2)
				employee[i]=new yearworker ();
		}
		Company Company=new Company (employee);
		SYSTEM.OUT.PRINTLN ("Total Company Salary:" +company.salariedpay () + "Yuan");
	}

Employee class

Public abstract class Employee {public
	abstract double earings ();
}

Monthworker class

public class Monthworker extends Employee {public
	double earings () {return
		12*2300;
	}

}

Weekworker class

public class Weekworker extends Employee {public
	double earings () {return
		52*780;
	}

}

Yearworker class

public class Yearworker extends Employee {public
	double earings () {return
		12000;
	}

}