public class PersonDB{      
  private Person[] people;
  
  public PersonDB(){
    people = new Person[]{new Person("jo",25), new Person("flo",18), new Person("mo", 19)};
  }
  
  
  
  /** Calculates and returns the average age. */
  public double getAverageAge(){
     // complete this method


  }
  
  /** Returns true if name is in database, otherwise false */
  // complete, using equalsIgnoreCase() method of String class  
  public boolean isInDatabase(String searchName){
     //Complete this method 
       
  }
  
}