org.jfree.data.xy
Class Vector

java.lang.Object
  org.jfree.data.xy.Vector

All Implemented Interfaces:

java.io.Serializable

public class Vector
extends java.lang.Object
implements java.io.Serializable

A vector.

Since:

1.0.6

See Also:

Serialized Form

Constructor Summary

Vector(double x, double y)
Creates a new instance of Vector.

Method Summary

boolean	equals(java.lang.Object obj) Tests this vector for equality with an arbitrary object.
double	getAngle() Returns the angle of the vector.
double	getLength() Returns the length of the vector.
double	getX() Returns the x-value.
double	getY() Returns the y-value.
int	hashCode() Returns a hash code for this instance.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Vector

public Vector(double x,
              double y)

Creates a new instance of Vector.

Parameters:

x - the x-component.

y - the y-component.

Method Detail

getX

public double getX()

Returns the x-value.

Returns:

The x-value.

getY

public double getY()

Returns the y-value.

Returns:

The y-value.

getLength

public double getLength()

Returns the length of the vector.

Returns:

The vector length.

getAngle

public double getAngle()

Returns the angle of the vector.

Returns:

The angle of the vector.

equals

public boolean equals(java.lang.Object obj)

Tests this vector for equality with an arbitrary object.

Overrides:

equals in class java.lang.Object

Parameters:

obj - the object (null not permitted).

Returns:

A boolean.

hashCode

public int hashCode()

Returns a hash code for this instance.

Overrides:

hashCode in class java.lang.Object

Returns:

A hash code.