Modeling Specialization

• Manager class adds new method: setBonus
• Manager class overrides existing method: getSalary
• Adds salary and bonus
  
• public class Manager extends Employee
  {
     public Manager(String aName) { ... }
     public void setBonus(double aBonus) { bonus = aBonus; } // new method
     public double getSalary() { ... } // overrides Employee method
  
     private double bonus; // new field
  }