Class java.awt.Dimension - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Class java.awt.Dimension

java.lang.Object
   |
   +----java.awt.Dimension

public class Dimension
extends Object
implements Serializable

The Dimension class encapsulates the width and height of a component in a single object. The class is associated with certain properties of components. Several methods defined by the Component class and the LayoutManager interface return a Dimension object.

Normally the values of width and height are non-negative integers. The constructors that allow you to create a dimension do not prevent you from setting a negative value for these properties. If the value of width or height is negative, the behavior of some methods defined by other objects is undefined.

See Also:: Component, LayoutManager

height: The height dimension.
width: The width dimension.

Dimension(): Creates an instance of Dimension with a width of zero and a height of zero.
Dimension(Dimension): Creates an instance of Dimension whose width and height are the same as for the specified dimension.
Dimension(int, int): Constructs a Dimension and initializes it to the specified width and specified height.

equals(Object): Checks whether two dimension objects have equal values.
getSize(): Gets the size of this Dimension object.
setSize(Dimension): Set the size of this Dimension object to the specified size.
setSize(int, int): Set the size of this Dimension object to the specified width and height.
toString(): Returns a string that represents this Dimension object's values.

width

 public int width

The width dimension.

height

 public int height

The height dimension.

Dimension

 public Dimension()

Creates an instance of Dimension with a width of zero and a height of zero.

Dimension

 public Dimension(Dimension d)

Creates an instance of Dimension whose width and height are the same as for the specified dimension.

Parameters:: d - the specified dimension for the width and height values.

Dimension

 public Dimension(int width,
                  int height)

Constructs a Dimension and initializes it to the specified width and specified height.

Parameters:: width - the specified width dimension; height - the specified height dimension

getSize

 public Dimension getSize()

Gets the size of this Dimension object. This method is included for completeness, to parallel the getSize method defined by Component.

Returns:: the size of this dimension, a new instance of Dimension with the same width and height.
See Also:: setSize, getSize

setSize

 public void setSize(Dimension d)

Set the size of this Dimension object to the specified size. This method is included for completeness, to parallel the setSize method defined by Component.

Parameters:: d - the new size for this Dimension object.
See Also:: getSize, setSize

setSize

 public void setSize(int width,
                     int height)

Set the size of this Dimension object to the specified width and height. This method is included for completeness, to parallel the setSize method defined by Component.

Parameters:: width - the new width for this Dimension object.; height - the new height for this Dimension object.
See Also:: getSize, setSize

equals

 public boolean equals(Object obj)

Checks whether two dimension objects have equal values.

Overrides:: equals in class Object

toString

 public String toString()

Returns a string that represents this Dimension object's values.

Returns:: a string representation of this dimension, including the values of width and height.
Overrides:: toString in class Object

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