Serialized Form

Package noawt.java.awt
- Class noawt.java.awt.Dimension extends Dimension2D implements Serializable
  
  serialVersionUID:
  
  4723952579491349524L
  - Serialized Fields
    - width
```
int width
```
      The width dimension; negative values can be used.
      
      Since:
      
      1.0
      
      See Also:
      
      Dimension.getSize(), Dimension.setSize(double, double)
    - height
```
int height
```
      The height dimension; negative values can be used.
      
      Since:
      
      1.0
      
      See Also:
      
      Dimension.getSize(), Dimension.setSize(double, double)
- Class noawt.java.awt.Point extends Point2D implements Serializable
  
  serialVersionUID:
  
  -5276940640259749850L
  - Serialized Fields
    - x
```
int x
```
      The X coordinate of this Point. If no X coordinate is set it will default to 0.
      
      Since:
      
      1.0
      
      See Also:
      
      Point.getLocation(), Point.move(int, int)
    - y
```
int y
```
      The Y coordinate of this Point. If no Y coordinate is set it will default to 0.
      
      Since:
      
      1.0
      
      See Also:
      
      Point.getLocation(), Point.move(int, int)
- Class noawt.java.awt.Rectangle extends Rectangle2D implements Serializable
  
  serialVersionUID:
  
  -4345857070255674764L
  - Serialized Fields
    - x
```
int x
```
      The X coordinate of the upper-left corner of the Rectangle.
      
      Since:
      
      1.0
      
      See Also:
      
      Rectangle.setLocation(int, int), Rectangle.getLocation()
    - y
```
int y
```
      The Y coordinate of the upper-left corner of the Rectangle.
      
      Since:
      
      1.0
      
      See Also:
      
      Rectangle.setLocation(int, int), Rectangle.getLocation()
    - width
```
int width
```
      The width of the Rectangle.
      
      Since:
      
      1.0
      
      See Also:
      
      Rectangle.setSize(int, int), Rectangle.getSize()
    - height
```
int height
```
      The height of the Rectangle.
      
      Since:
      
      1.0
      
      See Also:
      
      Rectangle.setSize(int, int), Rectangle.getSize()

Package noawt.java.awt.geom

Class noawt.java.awt.geom.AffineTransform extends Object implements Serializable

serialVersionUID:

1330973210523860834L
- Serialization Methods
  - readObject
```
private void readObject(ObjectInputStream s)
                 throws ClassNotFoundException,
                        IOException
```
    Throws:
    
    ClassNotFoundException
    
    IOException
  - writeObject
```
private void writeObject(ObjectOutputStream s)
                  throws ClassNotFoundException,
                         IOException
```
    Throws:
    
    ClassNotFoundException
    
    IOException
- Serialized Fields
  - m00
```
double m00
```
    The X coordinate scaling element of the 3x3 affine transformation matrix.
  - m10
```
double m10
```
    The Y coordinate shearing element of the 3x3 affine transformation matrix.
  - m01
```
double m01
```
    The X coordinate shearing element of the 3x3 affine transformation matrix.
  - m11
```
double m11
```
    The Y coordinate scaling element of the 3x3 affine transformation matrix.
  - m02
```
double m02
```
    The X coordinate of the translation element of the 3x3 affine transformation matrix.
  - m12
```
double m12
```
    The Y coordinate of the translation element of the 3x3 affine transformation matrix.
Class noawt.java.awt.geom.Arc2D.Double extends Arc2D implements Serializable

serialVersionUID:

728264085846882001L
- Serialization Methods
  - readObject
```
private void readObject(ObjectInputStream s)
                 throws ClassNotFoundException,
                        IOException
```
    Reads the default serializable fields from the ObjectInputStream followed by a byte indicating the arc type of this Arc2D instance.
    Serial Data:
    The default serializable fields.
    
    followed by a byte indicating the arc type Arc2D.OPEN, Arc2D.CHORD, or Arc2D.PIE.
    Throws:
    
    ClassNotFoundException
    
    IOException
  - writeObject
```
private void writeObject(ObjectOutputStream s)
                  throws IOException
```
    Writes the default serializable fields to the ObjectOutputStream followed by a byte indicating the arc type of this Arc2D instance.
    Serial Data:
    The default serializable fields.
    
    followed by a byte indicating the arc type Arc2D.OPEN, Arc2D.CHORD, or Arc2D.PIE.
    Throws:
    
    IOException
- Serialized Fields
  - x
```
double x
```
    The X coordinate of the upper-left corner of the framing rectangle of the arc.
    
    Since:
    
    1.2
  - y
```
double y
```
    The Y coordinate of the upper-left corner of the framing rectangle of the arc.
    
    Since:
    
    1.2
  - width
```
double width
```
    The overall width of the full ellipse of which this arc is a partial section (not considering the angular extents).
    
    Since:
    
    1.2
  - height
```
double height
```
    The overall height of the full ellipse of which this arc is a partial section (not considering the angular extents).
    
    Since:
    
    1.2
  - start
```
double start
```
    The starting angle of the arc in degrees.
    
    Since:
    
    1.2
  - extent
```
double extent
```
    The angular extent of the arc in degrees.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.Arc2D.Float extends Arc2D implements Serializable

serialVersionUID:

9130893014586380278L
- Serialization Methods
  - readObject
```
private void readObject(ObjectInputStream s)
                 throws ClassNotFoundException,
                        IOException
```
    Reads the default serializable fields from the ObjectInputStream followed by a byte indicating the arc type of this Arc2D instance.
    Serial Data:
    The default serializable fields.
    
    followed by a byte indicating the arc type Arc2D.OPEN, Arc2D.CHORD, or Arc2D.PIE.
    Throws:
    
    ClassNotFoundException
    
    IOException
  - writeObject
```
private void writeObject(ObjectOutputStream s)
                  throws IOException
```
    Writes the default serializable fields to the ObjectOutputStream followed by a byte indicating the arc type of this Arc2D instance.
    Serial Data:
    The default serializable fields.
    
    followed by a byte indicating the arc type Arc2D.OPEN, Arc2D.CHORD, or Arc2D.PIE.
    Throws:
    
    IOException
- Serialized Fields
  - x
```
float x
```
    The X coordinate of the upper-left corner of the framing rectangle of the arc.
    
    Since:
    
    1.2
  - y
```
float y
```
    The Y coordinate of the upper-left corner of the framing rectangle of the arc.
    
    Since:
    
    1.2
  - width
```
float width
```
    The overall width of the full ellipse of which this arc is a partial section (not considering the angular extents).
    
    Since:
    
    1.2
  - height
```
float height
```
    The overall height of the full ellipse of which this arc is a partial section (not considering the angular extents).
    
    Since:
    
    1.2
  - start
```
float start
```
    The starting angle of the arc in degrees.
    
    Since:
    
    1.2
  - extent
```
float extent
```
    The angular extent of the arc in degrees.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.CubicCurve2D.Double extends CubicCurve2D implements Serializable

serialVersionUID:

-4202960122839707295L
- Serialized Fields
  - x1
```
double x1
```
    The X coordinate of the start point of the cubic curve segment.
    
    Since:
    
    1.2
  - y1
```
double y1
```
    The Y coordinate of the start point of the cubic curve segment.
    
    Since:
    
    1.2
  - ctrlx1
```
double ctrlx1
```
    The X coordinate of the first control point of the cubic curve segment.
    
    Since:
    
    1.2
  - ctrly1
```
double ctrly1
```
    The Y coordinate of the first control point of the cubic curve segment.
    
    Since:
    
    1.2
  - ctrlx2
```
double ctrlx2
```
    The X coordinate of the second control point of the cubic curve segment.
    
    Since:
    
    1.2
  - ctrly2
```
double ctrly2
```
    The Y coordinate of the second control point of the cubic curve segment.
    
    Since:
    
    1.2
  - x2
```
double x2
```
    The X coordinate of the end point of the cubic curve segment.
    
    Since:
    
    1.2
  - y2
```
double y2
```
    The Y coordinate of the end point of the cubic curve segment.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.CubicCurve2D.Float extends CubicCurve2D implements Serializable

serialVersionUID:

-1272015596714244385L
- Serialized Fields
  - x1
```
float x1
```
    The X coordinate of the start point of the cubic curve segment.
    
    Since:
    
    1.2
  - y1
```
float y1
```
    The Y coordinate of the start point of the cubic curve segment.
    
    Since:
    
    1.2
  - ctrlx1
```
float ctrlx1
```
    The X coordinate of the first control point of the cubic curve segment.
    
    Since:
    
    1.2
  - ctrly1
```
float ctrly1
```
    The Y coordinate of the first control point of the cubic curve segment.
    
    Since:
    
    1.2
  - ctrlx2
```
float ctrlx2
```
    The X coordinate of the second control point of the cubic curve segment.
    
    Since:
    
    1.2
  - ctrly2
```
float ctrly2
```
    The Y coordinate of the second control point of the cubic curve segment.
    
    Since:
    
    1.2
  - x2
```
float x2
```
    The X coordinate of the end point of the cubic curve segment.
    
    Since:
    
    1.2
  - y2
```
float y2
```
    The Y coordinate of the end point of the cubic curve segment.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.Ellipse2D.Double extends Ellipse2D implements Serializable

serialVersionUID:

5555464816372320683L
- Serialized Fields
  - x
```
double x
```
    The X coordinate of the upper-left corner of the framing rectangle of this Ellipse2D.
    
    Since:
    
    1.2
  - y
```
double y
```
    The Y coordinate of the upper-left corner of the framing rectangle of this Ellipse2D.
    
    Since:
    
    1.2
  - width
```
double width
```
    The overall width of this Ellipse2D.
    
    Since:
    
    1.2
  - height
```
double height
```
    The overall height of the Ellipse2D.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.Ellipse2D.Float extends Ellipse2D implements Serializable

serialVersionUID:

-6633761252372475977L
- Serialized Fields
  - x
```
float x
```
    The X coordinate of the upper-left corner of the framing rectangle of this Ellipse2D.
    
    Since:
    
    1.2
  - y
```
float y
```
    The Y coordinate of the upper-left corner of the framing rectangle of this Ellipse2D.
    
    Since:
    
    1.2
  - width
```
float width
```
    The overall width of this Ellipse2D.
    
    Since:
    
    1.2
  - height
```
float height
```
    The overall height of this Ellipse2D.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.GeneralPath extends Path2D.Float implements Serializable

serialVersionUID:

-8327096662768731142L
Class noawt.java.awt.geom.IllegalPathStateException extends RuntimeException implements Serializable
Class noawt.java.awt.geom.Line2D.Double extends Line2D implements Serializable

serialVersionUID:

7979627399746467499L
- Serialized Fields
  - x1
```
double x1
```
    The X coordinate of the start point of the line segment.
    
    Since:
    
    1.2
  - y1
```
double y1
```
    The Y coordinate of the start point of the line segment.
    
    Since:
    
    1.2
  - x2
```
double x2
```
    The X coordinate of the end point of the line segment.
    
    Since:
    
    1.2
  - y2
```
double y2
```
    The Y coordinate of the end point of the line segment.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.Line2D.Float extends Line2D implements Serializable

serialVersionUID:

6161772511649436349L
- Serialized Fields
  - x1
```
float x1
```
    The X coordinate of the start point of the line segment.
    
    Since:
    
    1.2
  - y1
```
float y1
```
    The Y coordinate of the start point of the line segment.
    
    Since:
    
    1.2
  - x2
```
float x2
```
    The X coordinate of the end point of the line segment.
    
    Since:
    
    1.2
  - y2
```
float y2
```
    The Y coordinate of the end point of the line segment.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.NoninvertibleTransformException extends Exception implements Serializable

Class noawt.java.awt.geom.Path2D.Double extends Path2D implements Serializable

serialVersionUID:: 1826762518450014216L

Serialization Methods

readObject
```
private void readObject(ObjectInputStream s)
                 throws ClassNotFoundException,
                        IOException
```
Reads the default serializable fields from the ObjectInputStream followed by an explicit serialization of the path segments stored in this path.
There are no default serializable fields as of 1.6.

The serial data for this object is described in the writeObject method.

Throws:

ClassNotFoundException

IOException

Since:

1.6

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Writes the default serializable fields to the ObjectOutputStream followed by an explicit serialization of the path segments stored in this path.

Serial Data:

The default serializable fields. There are no default serializable fields as of 1.6.
followed by a byte indicating the storage type of the original object as a hint (SERIAL_STORAGE_DBL_ARRAY)
followed by an integer indicating the number of path segments to follow (NP) or -1 to indicate an unknown number of path segments follows
followed by an integer indicating the total number of coordinates to follow (NC) or -1 to indicate an unknown number of coordinates follows (NC should always be even since coordinates always appear in pairs representing an x,y pair)
followed by a byte indicating the winding rule (WIND_EVEN_ODD or WIND_NON_ZERO)
followed by NP (or unlimited if NP < 0) sets of values consisting of a single byte indicating a path segment type followed by one or more pairs of float or double values representing the coordinates of the path segment
followed by a byte indicating the end of the path (SERIAL_PATH_END).

The following byte value constants are used in the serialized form of Path2D objects:

Constant Name	Byte Value	Followed by	Description
`SERIAL_STORAGE_FLT_ARRAY`	0x30		A hint that the original `Path2D` object stored the coordinates in a Java array of floats.
`SERIAL_STORAGE_DBL_ARRAY`	0x31		A hint that the original `Path2D` object stored the coordinates in a Java array of doubles.
`SERIAL_SEG_FLT_MOVETO`	0x40	2 floats	A `moveTo` path segment follows.
`SERIAL_SEG_FLT_LINETO`	0x41	2 floats	A `lineTo` path segment follows.
`SERIAL_SEG_FLT_QUADTO`	0x42	4 floats	A `quadTo` path segment follows.
`SERIAL_SEG_FLT_CUBICTO`	0x43	6 floats	A `curveTo` path segment follows.
`SERIAL_SEG_DBL_MOVETO`	0x50	2 doubles	A `moveTo` path segment follows.
`SERIAL_SEG_DBL_LINETO`	0x51	2 doubles	A `lineTo` path segment follows.
`SERIAL_SEG_DBL_QUADTO`	0x52	4 doubles	A `curveTo` path segment follows.
`SERIAL_SEG_DBL_CUBICTO`	0x53	6 doubles	A `curveTo` path segment follows.
`SERIAL_SEG_CLOSE`	0x60		A `closePath` path segment.
`SERIAL_PATH_END`	0x61		There are no more path segments following.

Throws:

IOException

Since:

1.6

Class noawt.java.awt.geom.Path2D.Float extends Path2D implements Serializable

serialVersionUID:: 6990832515060788886L

Serialization Methods

readObject
```
private void readObject(ObjectInputStream s)
                 throws ClassNotFoundException,
                        IOException
```
Reads the default serializable fields from the ObjectInputStream followed by an explicit serialization of the path segments stored in this path.
There are no default serializable fields as of 1.6.

The serial data for this object is described in the writeObject method.

Throws:

ClassNotFoundException

IOException

Since:

1.6

writeObject

private void writeObject(ObjectOutputStream s)
                  throws IOException

Writes the default serializable fields to the ObjectOutputStream followed by an explicit serialization of the path segments stored in this path.

Serial Data:

The default serializable fields. There are no default serializable fields as of 1.6.
followed by a byte indicating the storage type of the original object as a hint (SERIAL_STORAGE_FLT_ARRAY)
followed by an integer indicating the number of path segments to follow (NP) or -1 to indicate an unknown number of path segments follows
followed by an integer indicating the total number of coordinates to follow (NC) or -1 to indicate an unknown number of coordinates follows (NC should always be even since coordinates always appear in pairs representing an x,y pair)
followed by a byte indicating the winding rule (WIND_EVEN_ODD or WIND_NON_ZERO)
followed by NP (or unlimited if NP < 0) sets of values consisting of a single byte indicating a path segment type followed by one or more pairs of float or double values representing the coordinates of the path segment
followed by a byte indicating the end of the path (SERIAL_PATH_END).

The following byte value constants are used in the serialized form of Path2D objects:

Constant Name	Byte Value	Followed by	Description
`SERIAL_STORAGE_FLT_ARRAY`	0x30		A hint that the original `Path2D` object stored the coordinates in a Java array of floats.
`SERIAL_STORAGE_DBL_ARRAY`	0x31		A hint that the original `Path2D` object stored the coordinates in a Java array of doubles.
`SERIAL_SEG_FLT_MOVETO`	0x40	2 floats	A `moveTo` path segment follows.
`SERIAL_SEG_FLT_LINETO`	0x41	2 floats	A `lineTo` path segment follows.
`SERIAL_SEG_FLT_QUADTO`	0x42	4 floats	A `quadTo` path segment follows.
`SERIAL_SEG_FLT_CUBICTO`	0x43	6 floats	A `curveTo` path segment follows.
`SERIAL_SEG_DBL_MOVETO`	0x50	2 doubles	A `moveTo` path segment follows.
`SERIAL_SEG_DBL_LINETO`	0x51	2 doubles	A `lineTo` path segment follows.
`SERIAL_SEG_DBL_QUADTO`	0x52	4 doubles	A `curveTo` path segment follows.
`SERIAL_SEG_DBL_CUBICTO`	0x53	6 doubles	A `curveTo` path segment follows.
`SERIAL_SEG_CLOSE`	0x60		A `closePath` path segment.
`SERIAL_PATH_END`	0x61		There are no more path segments following.

Throws:

IOException

Since:

1.6

Class noawt.java.awt.geom.Point2D.Double extends Point2D implements Serializable

serialVersionUID:

6150783262733311327L
- Serialized Fields
  - x
```
double x
```
    The X coordinate of this Point2D.
    
    Since:
    
    1.2
  - y
```
double y
```
    The Y coordinate of this Point2D.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.Point2D.Float extends Point2D implements Serializable

serialVersionUID:

-2870572449815403710L
- Serialized Fields
  - x
```
float x
```
    The X coordinate of this Point2D.
    
    Since:
    
    1.2
  - y
```
float y
```
    The Y coordinate of this Point2D.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.QuadCurve2D.Double extends QuadCurve2D implements Serializable

serialVersionUID:

4217149928428559721L
- Serialized Fields
  - x1
```
double x1
```
    The X coordinate of the start point of the quadratic curve segment.
    
    Since:
    
    1.2
  - y1
```
double y1
```
    The Y coordinate of the start point of the quadratic curve segment.
    
    Since:
    
    1.2
  - ctrlx
```
double ctrlx
```
    The X coordinate of the control point of the quadratic curve segment.
    
    Since:
    
    1.2
  - ctrly
```
double ctrly
```
    The Y coordinate of the control point of the quadratic curve segment.
    
    Since:
    
    1.2
  - x2
```
double x2
```
    The X coordinate of the end point of the quadratic curve segment.
    
    Since:
    
    1.2
  - y2
```
double y2
```
    The Y coordinate of the end point of the quadratic curve segment.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.QuadCurve2D.Float extends QuadCurve2D implements Serializable

serialVersionUID:

-8511188402130719609L
- Serialized Fields
  - x1
```
float x1
```
    The X coordinate of the start point of the quadratic curve segment.
    
    Since:
    
    1.2
  - y1
```
float y1
```
    The Y coordinate of the start point of the quadratic curve segment.
    
    Since:
    
    1.2
  - ctrlx
```
float ctrlx
```
    The X coordinate of the control point of the quadratic curve segment.
    
    Since:
    
    1.2
  - ctrly
```
float ctrly
```
    The Y coordinate of the control point of the quadratic curve segment.
    
    Since:
    
    1.2
  - x2
```
float x2
```
    The X coordinate of the end point of the quadratic curve segment.
    
    Since:
    
    1.2
  - y2
```
float y2
```
    The Y coordinate of the end point of the quadratic curve segment.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.Rectangle2D.Double extends Rectangle2D implements Serializable

serialVersionUID:

7771313791441850493L
- Serialized Fields
  - x
```
double x
```
    The X coordinate of this Rectangle2D.
    
    Since:
    
    1.2
  - y
```
double y
```
    The Y coordinate of this Rectangle2D.
    
    Since:
    
    1.2
  - width
```
double width
```
    The width of this Rectangle2D.
    
    Since:
    
    1.2
  - height
```
double height
```
    The height of this Rectangle2D.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.Rectangle2D.Float extends Rectangle2D implements Serializable

serialVersionUID:

3798716824173675777L
- Serialized Fields
  - x
```
float x
```
    The X coordinate of this Rectangle2D.
    
    Since:
    
    1.2
  - y
```
float y
```
    The Y coordinate of this Rectangle2D.
    
    Since:
    
    1.2
  - width
```
float width
```
    The width of this Rectangle2D.
    
    Since:
    
    1.2
  - height
```
float height
```
    The height of this Rectangle2D.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.RoundRectangle2D.Double extends RoundRectangle2D implements Serializable

serialVersionUID:

1048939333485206117L
- Serialized Fields
  - x
```
double x
```
    The X coordinate of this RoundRectangle2D.
    
    Since:
    
    1.2
  - y
```
double y
```
    The Y coordinate of this RoundRectangle2D.
    
    Since:
    
    1.2
  - width
```
double width
```
    The width of this RoundRectangle2D.
    
    Since:
    
    1.2
  - height
```
double height
```
    The height of this RoundRectangle2D.
    
    Since:
    
    1.2
  - arcwidth
```
double arcwidth
```
    The width of the arc that rounds off the corners.
    
    Since:
    
    1.2
  - archeight
```
double archeight
```
    The height of the arc that rounds off the corners.
    
    Since:
    
    1.2
Class noawt.java.awt.geom.RoundRectangle2D.Float extends RoundRectangle2D implements Serializable

serialVersionUID:

-3423150618393866922L
- Serialized Fields
  - x
```
float x
```
    The X coordinate of this RoundRectangle2D.
    
    Since:
    
    1.2
  - y
```
float y
```
    The Y coordinate of this RoundRectangle2D.
    
    Since:
    
    1.2
  - width
```
float width
```
    The width of this RoundRectangle2D.
    
    Since:
    
    1.2
  - height
```
float height
```
    The height of this RoundRectangle2D.
    
    Since:
    
    1.2
  - arcwidth
```
float arcwidth
```
    The width of the arc that rounds off the corners.
    
    Since:
    
    1.2
  - archeight
```
float archeight
```
    The height of the arc that rounds off the corners.
    
    Since:
    
    1.2

Serialized Form

Package noawt.java.awt

Class noawt.java.awt.Dimension extends Dimension2D implements Serializable

Serialized Fields

width

height

Class noawt.java.awt.Point extends Point2D implements Serializable

Serialized Fields

x

y

Class noawt.java.awt.Rectangle extends Rectangle2D implements Serializable

Serialized Fields

x

y

width

height

Package noawt.java.awt.geom

Class noawt.java.awt.geom.AffineTransform extends Object implements Serializable

Serialization Methods

readObject

writeObject

Serialized Fields

m00

m10

m01

m11

m02

m12

Class noawt.java.awt.geom.Arc2D.Double extends Arc2D implements Serializable

Serialization Methods

readObject

writeObject

Serialized Fields

x

y

width

height

start

extent

Class noawt.java.awt.geom.Arc2D.Float extends Arc2D implements Serializable

Serialization Methods

readObject

writeObject

Serialized Fields

x

y

width

height

start

extent

Class noawt.java.awt.geom.CubicCurve2D.Double extends CubicCurve2D implements Serializable

Serialized Fields

x1

y1

ctrlx1

ctrly1

ctrlx2

ctrly2

x2

y2

Class noawt.java.awt.geom.CubicCurve2D.Float extends CubicCurve2D implements Serializable

Serialized Fields

x1

y1

ctrlx1

ctrly1

ctrlx2

ctrly2

x2

y2

Class noawt.java.awt.geom.Ellipse2D.Double extends Ellipse2D implements Serializable

Serialized Fields

x

y

width

height

Class noawt.java.awt.geom.Ellipse2D.Float extends Ellipse2D implements Serializable

Serialized Fields

x

y