Constructor Detail

• XYDataItem

  public XYDataItem(Number x,
                    Number y)

  Constructs a new data item.

  Parameters:

  x - the x-value (null NOT permitted).

  y - the y-value (null permitted).

• XYDataItem

  public XYDataItem(double x,
                    double y)

  Constructs a new data item.

  Parameters:

  x - the x-value.

  y - the y-value.

Method Detail

• getX

  public Number getX()

  Returns the x-value.

  Returns:

  The x-value (never null).

• getXValue

  public double getXValue()

  Returns the x-value as a double primitive.

  Returns:

  The x-value.

  Since:

  1.0.9

  See Also:

  getX(), getYValue()

• getY

  public Number getY()

  Returns the y-value.

  Returns:

  The y-value (possibly null).

• getYValue

  public double getYValue()

  Returns the y-value as a double primitive.

  Returns:

  The y-value.

  Since:

  1.0.9

  See Also:

  getY(), getXValue()

• setY

  public void setY(double y)

  Sets the y-value for this data item. Note that there is no corresponding method to change the x-value.

  Parameters:

  y - the new y-value.

• setY

  public void setY(Number y)

  Sets the y-value for this data item. Note that there is no corresponding method to change the x-value.

  Parameters:

  y - the new y-value (null permitted).

• compareTo

  public int compareTo(Object o1)

  Returns an integer indicating the order of this object relative to another object.

  For the order we consider only the x-value: negative == "less-than", zero == "equal", positive == "greater-than".

  Specified by:

  compareTo in interface Comparable

  Parameters:

  o1 - the object being compared to.

  Returns:

  An integer indicating the order of this data pair object relative to another object.

• clone

  public Object clone()
               throws CloneNotSupportedException

  Returns a clone of this object.

  Overrides:

  clone in class Object

  Returns:

  A clone.

  Throws:

  CloneNotSupportedException - not thrown by this class, but subclasses may differ.

• equals

  public boolean equals(Object obj)

  Tests if this object is equal to another.

  Overrides:

  equals in class Object

  Parameters:

  obj - the object to test against for equality (null permitted).

  Returns:

  A boolean.

• hashCode

  public int hashCode()

  Returns a hash code.

  Overrides:

  hashCode in class Object

  Returns:

  A hash code.

• toString

  public String toString()

  Returns a string representing this instance, primarily for debugging use.

  Overrides:

  toString in class Object

  Returns:

  A string.