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Java Source Code / Java Documentation » Chart » jfreechart » org.jfree.data.xy

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.jfree.data.xy .XYDataItem

XYDataItem
public class XYDataItem implements Cloneable,Comparable,Serializable(Code)
	Represents one (x, y) data item for an XYSeries .

Constructor Summary
public	XYDataItem(Number x, Number y) Constructs a new data item.
public	XYDataItem(double x, double y) Constructs a new data item.

Method Summary
public Object	clone() Returns a clone of this object.
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". Parameters: o1 - the object being compared to.
public boolean	equals(Object obj) Tests if this object is equal to another. Parameters: obj - the object to test against for equality (`null`permitted).
public Number	getX() Returns the x-value.
public Number	getY() Returns the y-value.
public int	hashCode() Returns a hash code.
public void	setY(double y) Sets the y-value for this data item.
public void	setY(Number y) Sets the y-value for this data item.

Constructor Detail

XYDataItem
public XYDataItem(Number x, Number y)(Code)
	Constructs a new data item. Parameters: x - the x-value (`null` NOT permitted). Parameters: y - the y-value (`null` permitted).

XYDataItem
public XYDataItem(double x, double y)(Code)
	Constructs a new data item. Parameters: x - the x-value. Parameters: y - the y-value.

Method Detail

clone
public Object clone() throws CloneNotSupportedException(Code)
	Returns a clone of this object. A clone. throws: CloneNotSupportedException - not thrown by this class, but subclasses may differ.

compareTo
public int compareTo(Object o1)(Code)
	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". Parameters: o1 - the object being compared to. An integer indicating the order of this data pair objectrelative to another object.

equals
public boolean equals(Object obj)(Code)
	Tests if this object is equal to another. Parameters: obj - the object to test against for equality (`null`permitted). A boolean.

getX
public Number getX()(Code)
	Returns the x-value. The x-value (never `null`).

getY
public Number getY()(Code)
	Returns the y-value. The y-value (possibly `null`).

hashCode
public int hashCode()(Code)
	Returns a hash code. A hash code.

setY
public void setY(double y)(Code)
	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)(Code)
	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).

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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