import java.math.BigDecimal; public class TestEmployeeSimple { public static void main (String[] args) { Salaried employee = new Employee(); BigDecimal salary1 = new BigDecimal("10000"); BigDecimal salary2 = new BigDecimal("10000.10"); employee.setSalary(salary1); employee.setSalary(salary2); employee.giveRaise(0.1f); BigDecimal newSalary = employee.getSalary(); // newSalary should be 11000.11 } }