/**
* Stores First and Last Name.
* Also Has 2 Methods - constructor and toString().
* And four more methods: set() and get() for each data field.
* and three more methods: toUpperCase(),toLowerCase(), initials()
*
* @author William McDaniel Albritton
*/
public class Name4 implements NameInterface{
   
   /*
   These Are The Data Fields.
   Used to STore EACH Object's Data.
   Syntax: private ClassName variableName;
   */	 
   private String first;
   private String last;
   
   /** 
   * Constructor - Used To Create EAch Object and Initialize DAta Fields.
   *
   * @param firstName is the first name.	 
   * @param lastName is the last name. 
   */    
   public Name4(String firstName, String lastName){
       //This Code Initializes The Data Fields.
       //Syntax: dataField = parameter;
      first = firstName;
      last = lastName;
   }
   
   /**
   * Used to Display The Data Stored In Each Object's Data Field.
   *
   * @return a String in format: LastName, FirstName 
   */
   public String toString(){
      //Create a Local VAriable.
      String fullName = new String("full name");
      //add last name to first name 
      fullName = last + ", " + first;
      //Return the Local Variable.
      return fullName;
   }

  /**
   * a method that returns a name in all uppercase letters 
   *
   * @return a Name with first and last names in uppercase 
   */
   public Name4 toUpperCase(){
       //Create Local String VAriables and Make all Caps.
      String firstUpper = first.toUpperCase();
      String lastUpper = last.toUpperCase();
       //Create Local Name VAriables and Make all Caps.
      Name4 nameUpper = new Name4(firstUpper, lastUpper);  
      //Return the Local Variable.
      return nameUpper;
   }
   
  /**
   * a method that returns a name in all lowercase letters 
   *
   * @return a Name with first and last names in lowercase 
   */
   public Name4 toLowerCase(){
       //Create Local String VAriables and Make all lowercase.
      String firstLower = first.toLowerCase();
      String lastLower = last.toLowerCase();
       //Create Local Name VAriables and Make all lowercase.
      Name4 nameLower = new Name4(firstLower, lastLower);  
      //Return the Local Variable.
      return nameLower;
   }
   
  /**
   * a method that returns the initials 
   *
   * @return the initial for a name 
   */
   public String initials(){
       //Create Local String VAriable for the initials
      String initial = new String("initials");
      initial = first.substring(0, 1)+ ". " + last.substring(0, 1) + ". ";
      //Return the Local Variable.
      return initial;
   }   
   	
   /**
   * This Is An "Accessor" Method - Used To Get A Data Field.
   *
   * @return the First Name 
   */
   public String getFirstName(){
      //Return the Data Field.
      return first;
   }		
   	
   /**
   * This Is An "Accessor" Method - Used To Get A Data Field.
   *
   * @return the Last Name 
   */
   public String getLastName(){
      //Return the Data Field.
      return last;
   }				
   	
   /**
   * This Is A "Mutator" Method - Used To Set A Data Field.
   *
   * @param firstNameParameter is the first name. 
   */
   public void setFirstName(String firstNameParameter){
      //SEt the Data Field.
      first = firstNameParameter;
   }						
   
   /**
   * This Is A "Mutator" Method - Used To Set A Data Field.
   *
   * @param lastNameParameter is the last name. 
   */
   public void setLastName(String lastNameParameter){
      //set the Data Field.
      last = lastNameParameter;
   }						
     
}//End of Class.