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`java.lang.Object`

`java.awt.geom.RectangularShape`

`java.awt.geom.RoundRectangle2D`

**Implemented Interfaces:**- Cloneable, Shape

**Known Direct Subclasses:**- RoundRectangle2D.Double, RoundRectangle2D.Float

`public abstract class `**RoundRectangle2D**

`extends RectangularShape`

This class implements a rectangle with rounded corners.

## Nested Class Summary

`static class`

`RoundRectangle2D.Double`

- A subclass of RoundRectangle which keeps its parameters as doubles.

`static class`

`RoundRectangle2D.Float`

- A subclass of RoundRectangle which keeps its parameters as floats.

## Constructor Summary

`RoundRectangle2D()`

- Create a RoundRectangle2D.

## Method Summary

`boolean`

`contains(double x, double y)`

- Return true if this object contains the specified point.

`boolean`

`contains(double x, double y, double w, double h)`

- Return true if this object contains the specified rectangle

`abstract double`

`getArcHeight()`

- Return the arc height of this round rectangle.

`abstract double`

`getArcWidth()`

- Return the arc width of this round rectangle.

`PathIterator`

`getPathIterator(AffineTransform at)`

- Return a new path iterator which iterates over this rectangle.

`boolean`

`intersects(double x, double y, double w, double h)`

- Return true if the given rectangle intersects this shape.

`void`

`setFrame(double x, double y, double w, double h)`

- Set the boundary of this round rectangle.

`abstract void`

`setRoundRect(double x, double y, double w, double h, double arcWidth, double arcHeight)`

- Set the values of this round rectangle.

`void`

`setRoundRect(RoundRectangle2D rr)`

- Set the values of this round rectangle to be the same as those of the argument.

### Methods inherited from class java.awt.geom.RectangularShape

`clone`

,`contains`

,`contains`

,`getBounds`

,`getCenterX`

,`getCenterY`

,`getFrame`

,`getHeight`

,`getMaxX`

,`getMaxY`

,`getMinX`

,`getMinY`

,`getPathIterator`

,`getWidth`

,`getX`

,`getY`

,`intersects`

,`isEmpty`

,`setFrame`

,`setFrame`

,`setFrame`

,`setFrameFromCenter`

,`setFrameFromCenter`

,`setFrameFromDiagonal`

,`setFrameFromDiagonal`

### Methods inherited from class java.lang.Object

`clone`

,`equals`

,`extends Object> getClass`

,`finalize`

,`hashCode`

,`notify`

,`notifyAll`

,`toString`

,`wait`

,`wait`

,`wait`

protected RoundRectangle2D()

Create a RoundRectangle2D. This is protected because this class is abstract and cannot be instantiated.

public boolean contains(double x, double y)

Return true if this object contains the specified point.

Parameters:`x`

- The x coordinate`y`

- The y coordinate

public boolean contains(double x, double y, double w, double h)

Return true if this object contains the specified rectangle

Parameters:`x`

- The x coordinate`y`

- The y coordinate`w`

- The width`h`

- The height

public abstract double getArcHeight()

Return the arc height of this round rectangle. The arc height and width control the roundness of the corners of the rectangle.

Returns:- The arc height.

See Also:`getArcWidth()`

public abstract double getArcWidth()

Return the arc width of this round rectangle. The arc width and height control the roundness of the corners of the rectangle.

Returns:- The arc width.

See Also:`getArcHeight()`

public PathIterator getPathIterator(AffineTransform at)

Return a new path iterator which iterates over this rectangle.

Specified by:- getPathIterator in interface Shape

Parameters:`at`

- An affine transform to apply to the object

public boolean intersects(double x, double y, double w, double h)

Return true if the given rectangle intersects this shape.

Specified by:- intersects in interface Shape

Parameters:`x`

- The x coordinate`y`

- The y coordinate`w`

- The width`h`

- The height

public void setFrame(double x, double y, double w, double h)

Set the boundary of this round rectangle.

Overrides:- setFrame in interface RectangularShape

Parameters:`x`

- The x coordinate`y`

- The y coordinate`w`

- The width`h`

- The height

public abstract void setRoundRect(double x, double y, double w, double h, double arcWidth, double arcHeight)

Set the values of this round rectangle.

Parameters:`x`

- The x coordinate`y`

- The y coordinate`w`

- The width`h`

- The height`arcWidth`

- The arc width`arcHeight`

- The arc height

public void setRoundRect(RoundRectangle2D rr)

Set the values of this round rectangle to be the same as those of the argument.

Parameters:`rr`

- The round rectangle to copy

RoundRectangle2D.java -- represents a rectangle with rounded corners
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