Eimacs activity 19

19.1

public class Component
{
  private String myTypeName;
  private String myPartNumber;
  private int    myVersionNumber;

  public Component( String typeName, String partNumber, int versionNumber )
  {
    myTypeName = typeName;
    myPartNumber = partNumber;
    myVersionNumber = versionNumber;
  }

  public String getTypeName() { return myTypeName; }
  public String getPartNumber() { return myPartNumber; }
  public int getVersionNumber() { return myVersionNumber; }
}
public class ElectricalComponent extends Component
{
  private int myMinRating,
              myMaxRating;

  public ElectricalComponent( String partNumber, int versionNumber, int minRating, int maxRating )
  {
    super( "Electrical", partNumber, versionNumber );
    myMinRating = minRating;
    myMaxRating = maxRating;
  }

  public int getMinRating() { return myMinRating; }
  public int getMaxRating() { return myMaxRating; }
}

public class Component
{
  private String myTypeName;
  private String myPartNumber;
  private int    myVersionNumber;

  public Component( String typeName, String partNumber, int versionNumber )
  {
    myTypeName = typeName;
    myPartNumber = partNumber;
    myVersionNumber = versionNumber;
  }

  public String getTypeName() { return myTypeName; }
  public String getPartNumber() { return myPartNumber; }
  public int getVersionNumber() { return myVersionNumber; }

  public String toString()
  {
  return myTypeName +" "+ myPartNumber +" "+ myVersionNumber;
  }
}


19.2

public class ElectricalComponent extends Component
{
  private int myMinRating,
              myMaxRating;

  public ElectricalComponent( String partNumber, int versionNumber, int minRating, int maxRating )

  {
    super( "Electrical", partNumber, versionNumber );
    myMinRating = minRating;
    myMaxRating = maxRating;
  }

  public int getMinRating() { return myMinRating; }
  public int getMaxRating() { return myMaxRating; }

  public String toString()
  {
  return super.toString() +" ("+ myMinRating +","+ myMaxRating +")";
  }
}

19.3

public class MysteryComponent extends Component
{
  private String myDescription;

  public MysteryComponent( String description )
  {
    super( "N/A", "N/A", -1 );
    myDescription = description;
  }

  public String getDescription() { return myDescription; }

  public String toString()
  {
  return myDescription;
  }
}