Package  Description 

java.awt 
Contains all of the classes for creating user
interfaces and for painting graphics and images.

java.awt.font 
Provides classes and interface relating to fonts.

java.awt.geom 
Provides the Java 2D classes for defining and performing operations
on objects related to twodimensional geometry.

java.awt.image 
Provides classes for creating and modifying images.

java.awt.image.renderable 
Provides classes and interfaces for producing
renderingindependent images.

javax.swing.plaf 
Provides one interface and many abstract classes that
Swing uses to provide its pluggable lookandfeel capabilities.

javax.swing.plaf.basic 
Provides user interface objects built according to the
Basic look and feel.

javax.swing.text 
Provides classes and interfaces that deal with editable
and noneditable text components.

Class and Description 

AffineTransform
The
AffineTransform class represents a 2D affine transform
that performs a linear mapping from 2D coordinates to other 2D
coordinates that preserves the "straightness" and
"parallelness" of lines. 
Dimension2D
The
Dimension2D class is to encapsulate a width
and a height dimension. 
PathIterator
The
PathIterator interface provides the mechanism
for objects that implement the Shape
interface to return the geometry of their boundary by allowing
a caller to retrieve the path of that boundary a segment at a
time. 
Point2D
The
Point2D class defines a point representing a location
in (x,y) coordinate space. 
Rectangle2D
The
Rectangle2D class describes a rectangle
defined by a location (x,y) and dimension
(w x h) . 
RectangularShape
RectangularShape is the base class for a number of
Shape objects whose geometry is defined by a rectangular frame. 
Class and Description 

AffineTransform
The
AffineTransform class represents a 2D affine transform
that performs a linear mapping from 2D coordinates to other 2D
coordinates that preserves the "straightness" and
"parallelness" of lines. 
Point2D
The
Point2D class defines a point representing a location
in (x,y) coordinate space. 
Rectangle2D
The
Rectangle2D class describes a rectangle
defined by a location (x,y) and dimension
(w x h) . 
Class and Description 

AffineTransform
The
AffineTransform class represents a 2D affine transform
that performs a linear mapping from 2D coordinates to other 2D
coordinates that preserves the "straightness" and
"parallelness" of lines. 
Arc2D
Arc2D is the abstract superclass for all objects that
store a 2D arc defined by a framing rectangle,
start angle, angular extent (length of the arc), and a closure type
(OPEN , CHORD , or PIE ). 
Area
An
Area object stores and manipulates a
resolutionindependent description of an enclosed area of
2dimensional space. 
CubicCurve2D
The
CubicCurve2D class defines a cubic parametric curve
segment in (x,y) coordinate space. 
Dimension2D
The
Dimension2D class is to encapsulate a width
and a height dimension. 
Ellipse2D
The
Ellipse2D class describes an ellipse that is defined
by a framing rectangle. 
Line2D
This
Line2D represents a line segment in (x,y)
coordinate space. 
NoninvertibleTransformException
The
NoninvertibleTransformException class represents
an exception that is thrown if an operation is performed requiring
the inverse of an AffineTransform object but the
AffineTransform is in a noninvertible state. 
Path2D
The
Path2D class provides a simple, yet flexible
shape which represents an arbitrary geometric path. 
Path2D.Float
The
Float class defines a geometric path with
coordinates stored in single precision floating point. 
PathIterator
The
PathIterator interface provides the mechanism
for objects that implement the Shape
interface to return the geometry of their boundary by allowing
a caller to retrieve the path of that boundary a segment at a
time. 
Point2D
The
Point2D class defines a point representing a location
in (x,y) coordinate space. 
QuadCurve2D
The
QuadCurve2D class defines a quadratic parametric curve
segment in (x,y) coordinate space. 
Rectangle2D
The
Rectangle2D class describes a rectangle
defined by a location (x,y) and dimension
(w x h) . 
RectangularShape
RectangularShape is the base class for a number of
Shape objects whose geometry is defined by a rectangular frame. 
RoundRectangle2D
The
RoundRectangle2D class defines a rectangle with
rounded corners defined by a location (x,y) , a
dimension (w x h) , and the width and height of an arc
with which to round the corners. 
Class and Description 

AffineTransform
The
AffineTransform class represents a 2D affine transform
that performs a linear mapping from 2D coordinates to other 2D
coordinates that preserves the "straightness" and
"parallelness" of lines. 
Point2D
The
Point2D class defines a point representing a location
in (x,y) coordinate space. 
Rectangle2D
The
Rectangle2D class describes a rectangle
defined by a location (x,y) and dimension
(w x h) . 
Class and Description 

AffineTransform
The
AffineTransform class represents a 2D affine transform
that performs a linear mapping from 2D coordinates to other 2D
coordinates that preserves the "straightness" and
"parallelness" of lines. 
Rectangle2D
The
Rectangle2D class describes a rectangle
defined by a location (x,y) and dimension
(w x h) . 
Class and Description 

Dimension2D
The
Dimension2D class is to encapsulate a width
and a height dimension. 
Class and Description 

Rectangle2D
The
Rectangle2D class describes a rectangle
defined by a location (x,y) and dimension
(w x h) . 
RectangularShape
RectangularShape is the base class for a number of
Shape objects whose geometry is defined by a rectangular frame. 
Class and Description 

Rectangle2D
The
Rectangle2D class describes a rectangle
defined by a location (x,y) and dimension
(w x h) . 
RectangularShape
RectangularShape is the base class for a number of
Shape objects whose geometry is defined by a rectangular frame. 
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developertargeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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