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src/java.desktop/share/classes/java/awt/geom/Rectangle2D.java
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@@ -26,11 +26,11 @@
package java.awt.geom;
import java.io.Serializable;
/**
- * The <code>Rectangle2D</code> class describes a rectangle
+ * The {@code Rectangle2D} class describes a rectangle
* defined by a location {@code (x,y)} and dimension
* {@code (w x h)}.
* <p>
* This class is only the abstract superclass for all objects that
* store a 2D rectangle.
@@ -41,90 +41,90 @@
* @since 1.2
*/
public abstract class Rectangle2D extends RectangularShape {
/**
* The bitmask that indicates that a point lies to the left of
- * this <code>Rectangle2D</code>.
+ * this {@code Rectangle2D}.
* @since 1.2
*/
public static final int OUT_LEFT = 1;
/**
* The bitmask that indicates that a point lies above
- * this <code>Rectangle2D</code>.
+ * this {@code Rectangle2D}.
* @since 1.2
*/
public static final int OUT_TOP = 2;
/**
* The bitmask that indicates that a point lies to the right of
- * this <code>Rectangle2D</code>.
+ * this {@code Rectangle2D}.
* @since 1.2
*/
public static final int OUT_RIGHT = 4;
/**
* The bitmask that indicates that a point lies below
- * this <code>Rectangle2D</code>.
+ * this {@code Rectangle2D}.
* @since 1.2
*/
public static final int OUT_BOTTOM = 8;
/**
- * The <code>Float</code> class defines a rectangle specified in float
+ * The {@code Float} class defines a rectangle specified in float
* coordinates.
* @since 1.2
*/
public static class Float extends Rectangle2D implements Serializable {
/**
- * The X coordinate of this <code>Rectangle2D</code>.
+ * The X coordinate of this {@code Rectangle2D}.
* @since 1.2
* @serial
*/
public float x;
/**
- * The Y coordinate of this <code>Rectangle2D</code>.
+ * The Y coordinate of this {@code Rectangle2D}.
* @since 1.2
* @serial
*/
public float y;
/**
- * The width of this <code>Rectangle2D</code>.
+ * The width of this {@code Rectangle2D}.
* @since 1.2
* @serial
*/
public float width;
/**
- * The height of this <code>Rectangle2D</code>.
+ * The height of this {@code Rectangle2D}.
* @since 1.2
* @serial
*/
public float height;
/**
- * Constructs a new <code>Rectangle2D</code>, initialized to
+ * Constructs a new {@code Rectangle2D}, initialized to
* location (0.0, 0.0) and size (0.0, 0.0).
* @since 1.2
*/
public Float() {
}
/**
- * Constructs and initializes a <code>Rectangle2D</code>
- * from the specified <code>float</code> coordinates.
+ * Constructs and initializes a {@code Rectangle2D}
+ * from the specified {@code float} coordinates.
*
* @param x the X coordinate of the upper-left corner
- * of the newly constructed <code>Rectangle2D</code>
+ * of the newly constructed {@code Rectangle2D}
* @param y the Y coordinate of the upper-left corner
- * of the newly constructed <code>Rectangle2D</code>
+ * of the newly constructed {@code Rectangle2D}
* @param w the width of the newly constructed
- * <code>Rectangle2D</code>
+ * {@code Rectangle2D}
* @param h the height of the newly constructed
- * <code>Rectangle2D</code>
+ * {@code Rectangle2D}
* @since 1.2
*/
public Float(float x, float y, float w, float h) {
setRect(x, y, w, h);
}
@@ -168,19 +168,19 @@
public boolean isEmpty() {
return (width <= 0.0f) || (height <= 0.0f);
}
/**
- * Sets the location and size of this <code>Rectangle2D</code>
- * to the specified <code>float</code> values.
+ * Sets the location and size of this {@code Rectangle2D}
+ * to the specified {@code float} values.
*
* @param x the X coordinate of the upper-left corner
- * of this <code>Rectangle2D</code>
+ * of this {@code Rectangle2D}
* @param y the Y coordinate of the upper-left corner
- * of this <code>Rectangle2D</code>
- * @param w the width of this <code>Rectangle2D</code>
- * @param h the height of this <code>Rectangle2D</code>
+ * of this {@code Rectangle2D}
+ * @param w the width of this {@code Rectangle2D}
+ * @param h the height of this {@code Rectangle2D}
* @since 1.2
*/
public void setRect(float x, float y, float w, float h) {
this.x = x;
this.y = y;
@@ -280,14 +280,14 @@
Rectangle2D.union(this, r, dest);
return dest;
}
/**
- * Returns the <code>String</code> representation of this
- * <code>Rectangle2D</code>.
- * @return a <code>String</code> representing this
- * <code>Rectangle2D</code>.
+ * Returns the {@code String} representation of this
+ * {@code Rectangle2D}.
+ * @return a {@code String} representing this
+ * {@code Rectangle2D}.
* @since 1.2
*/
public String toString() {
return getClass().getName()
+ "[x=" + x +
@@ -301,63 +301,63 @@
*/
private static final long serialVersionUID = 3798716824173675777L;
}
/**
- * The <code>Double</code> class defines a rectangle specified in
+ * The {@code Double} class defines a rectangle specified in
* double coordinates.
* @since 1.2
*/
public static class Double extends Rectangle2D implements Serializable {
/**
- * The X coordinate of this <code>Rectangle2D</code>.
+ * The X coordinate of this {@code Rectangle2D}.
* @since 1.2
* @serial
*/
public double x;
/**
- * The Y coordinate of this <code>Rectangle2D</code>.
+ * The Y coordinate of this {@code Rectangle2D}.
* @since 1.2
* @serial
*/
public double y;
/**
- * The width of this <code>Rectangle2D</code>.
+ * The width of this {@code Rectangle2D}.
* @since 1.2
* @serial
*/
public double width;
/**
- * The height of this <code>Rectangle2D</code>.
+ * The height of this {@code Rectangle2D}.
* @since 1.2
* @serial
*/
public double height;
/**
- * Constructs a new <code>Rectangle2D</code>, initialized to
+ * Constructs a new {@code Rectangle2D}, initialized to
* location (0, 0) and size (0, 0).
* @since 1.2
*/
public Double() {
}
/**
- * Constructs and initializes a <code>Rectangle2D</code>
- * from the specified <code>double</code> coordinates.
+ * Constructs and initializes a {@code Rectangle2D}
+ * from the specified {@code double} coordinates.
*
* @param x the X coordinate of the upper-left corner
- * of the newly constructed <code>Rectangle2D</code>
+ * of the newly constructed {@code Rectangle2D}
* @param y the Y coordinate of the upper-left corner
- * of the newly constructed <code>Rectangle2D</code>
+ * of the newly constructed {@code Rectangle2D}
* @param w the width of the newly constructed
- * <code>Rectangle2D</code>
+ * {@code Rectangle2D}
* @param h the height of the newly constructed
- * <code>Rectangle2D</code>
+ * {@code Rectangle2D}
* @since 1.2
*/
public Double(double x, double y, double w, double h) {
setRect(x, y, w, h);
}
@@ -474,14 +474,14 @@
Rectangle2D.union(this, r, dest);
return dest;
}
/**
- * Returns the <code>String</code> representation of this
- * <code>Rectangle2D</code>.
- * @return a <code>String</code> representing this
- * <code>Rectangle2D</code>.
+ * Returns the {@code String} representation of this
+ * {@code Rectangle2D}.
+ * @return a {@code String} representing this
+ * {@code Rectangle2D}.
* @since 1.2
*/
public String toString() {
return getClass().getName()
+ "[x=" + x +
@@ -510,47 +510,47 @@
*/
protected Rectangle2D() {
}
/**
- * Sets the location and size of this <code>Rectangle2D</code>
- * to the specified <code>double</code> values.
+ * Sets the location and size of this {@code Rectangle2D}
+ * to the specified {@code double} values.
*
* @param x the X coordinate of the upper-left corner
- * of this <code>Rectangle2D</code>
+ * of this {@code Rectangle2D}
* @param y the Y coordinate of the upper-left corner
- * of this <code>Rectangle2D</code>
- * @param w the width of this <code>Rectangle2D</code>
- * @param h the height of this <code>Rectangle2D</code>
+ * of this {@code Rectangle2D}
+ * @param w the width of this {@code Rectangle2D}
+ * @param h the height of this {@code Rectangle2D}
* @since 1.2
*/
public abstract void setRect(double x, double y, double w, double h);
/**
- * Sets this <code>Rectangle2D</code> to be the same as the specified
- * <code>Rectangle2D</code>.
- * @param r the specified <code>Rectangle2D</code>
+ * Sets this {@code Rectangle2D} to be the same as the specified
+ * {@code Rectangle2D}.
+ * @param r the specified {@code Rectangle2D}
* @since 1.2
*/
public void setRect(Rectangle2D r) {
setRect(r.getX(), r.getY(), r.getWidth(), r.getHeight());
}
/**
* Tests if the specified line segment intersects the interior of this
- * <code>Rectangle2D</code>.
+ * {@code Rectangle2D}.
*
* @param x1 the X coordinate of the start point of the specified
* line segment
* @param y1 the Y coordinate of the start point of the specified
* line segment
* @param x2 the X coordinate of the end point of the specified
* line segment
* @param y2 the Y coordinate of the end point of the specified
* line segment
- * @return <code>true</code> if the specified line segment intersects
- * the interior of this <code>Rectangle2D</code>; <code>false</code>
+ * @return {@code true} if the specified line segment intersects
+ * the interior of this {@code Rectangle2D}; {@code false}
* otherwise.
* @since 1.2
*/
public boolean intersectsLine(double x1, double y1, double x2, double y2) {
int out1, out2;
@@ -580,29 +580,29 @@
return true;
}
/**
* Tests if the specified line segment intersects the interior of this
- * <code>Rectangle2D</code>.
+ * {@code Rectangle2D}.
* @param l the specified {@link Line2D} to test for intersection
- * with the interior of this <code>Rectangle2D</code>
- * @return <code>true</code> if the specified <code>Line2D</code>
- * intersects the interior of this <code>Rectangle2D</code>;
- * <code>false</code> otherwise.
+ * with the interior of this {@code Rectangle2D}
+ * @return {@code true} if the specified {@code Line2D}
+ * intersects the interior of this {@code Rectangle2D};
+ * {@code false} otherwise.
* @since 1.2
*/
public boolean intersectsLine(Line2D l) {
return intersectsLine(l.getX1(), l.getY1(), l.getX2(), l.getY2());
}
/**
* Determines where the specified coordinates lie with respect
- * to this <code>Rectangle2D</code>.
+ * to this {@code Rectangle2D}.
* This method computes a binary OR of the appropriate mask values
- * indicating, for each side of this <code>Rectangle2D</code>,
+ * indicating, for each side of this {@code Rectangle2D},
* whether or not the specified coordinates are on the same side
- * of the edge as the rest of this <code>Rectangle2D</code>.
+ * of the edge as the rest of this {@code Rectangle2D}.
* @param x the specified X coordinate
* @param y the specified Y coordinate
* @return the logical OR of all appropriate out codes.
* @see #OUT_LEFT
* @see #OUT_TOP
@@ -612,16 +612,16 @@
*/
public abstract int outcode(double x, double y);
/**
* Determines where the specified {@link Point2D} lies with
- * respect to this <code>Rectangle2D</code>.
+ * respect to this {@code Rectangle2D}.
* This method computes a binary OR of the appropriate mask values
- * indicating, for each side of this <code>Rectangle2D</code>,
- * whether or not the specified <code>Point2D</code> is on the same
- * side of the edge as the rest of this <code>Rectangle2D</code>.
- * @param p the specified <code>Point2D</code>
+ * indicating, for each side of this {@code Rectangle2D},
+ * whether or not the specified {@code Point2D} is on the same
+ * side of the edge as the rest of this {@code Rectangle2D}.
+ * @param p the specified {@code Point2D}
* @return the logical OR of all appropriate out codes.
* @see #OUT_LEFT
* @see #OUT_TOP
* @see #OUT_RIGHT
* @see #OUT_BOTTOM
@@ -631,18 +631,18 @@
return outcode(p.getX(), p.getY());
}
/**
* Sets the location and size of the outer bounds of this
- * <code>Rectangle2D</code> to the specified rectangular values.
+ * {@code Rectangle2D} to the specified rectangular values.
*
* @param x the X coordinate of the upper-left corner
- * of this <code>Rectangle2D</code>
+ * of this {@code Rectangle2D}
* @param y the Y coordinate of the upper-left corner
- * of this <code>Rectangle2D</code>
- * @param w the width of this <code>Rectangle2D</code>
- * @param h the height of this <code>Rectangle2D</code>
+ * of this {@code Rectangle2D}
+ * @param w the width of this {@code Rectangle2D}
+ * @param h the height of this {@code Rectangle2D}
* @since 1.2
*/
public void setFrame(double x, double y, double w, double h) {
setRect(x, y, w, h);
}
@@ -699,36 +699,36 @@
(x + w) <= x0 + getWidth() &&
(y + h) <= y0 + getHeight());
}
/**
- * Returns a new <code>Rectangle2D</code> object representing the
- * intersection of this <code>Rectangle2D</code> with the specified
- * <code>Rectangle2D</code>.
- * @param r the <code>Rectangle2D</code> to be intersected with
- * this <code>Rectangle2D</code>
- * @return the largest <code>Rectangle2D</code> contained in both
- * the specified <code>Rectangle2D</code> and in this
- * <code>Rectangle2D</code>.
+ * Returns a new {@code Rectangle2D} object representing the
+ * intersection of this {@code Rectangle2D} with the specified
+ * {@code Rectangle2D}.
+ * @param r the {@code Rectangle2D} to be intersected with
+ * this {@code Rectangle2D}
+ * @return the largest {@code Rectangle2D} contained in both
+ * the specified {@code Rectangle2D} and in this
+ * {@code Rectangle2D}.
* @since 1.2
*/
public abstract Rectangle2D createIntersection(Rectangle2D r);
/**
- * Intersects the pair of specified source <code>Rectangle2D</code>
+ * Intersects the pair of specified source {@code Rectangle2D}
* objects and puts the result into the specified destination
- * <code>Rectangle2D</code> object. One of the source rectangles
+ * {@code Rectangle2D} object. One of the source rectangles
* can also be the destination to avoid creating a third Rectangle2D
* object, but in this case the original points of this source
* rectangle will be overwritten by this method.
- * @param src1 the first of a pair of <code>Rectangle2D</code>
+ * @param src1 the first of a pair of {@code Rectangle2D}
* objects to be intersected with each other
- * @param src2 the second of a pair of <code>Rectangle2D</code>
+ * @param src2 the second of a pair of {@code Rectangle2D}
* objects to be intersected with each other
- * @param dest the <code>Rectangle2D</code> that holds the
- * results of the intersection of <code>src1</code> and
- * <code>src2</code>
+ * @param dest the {@code Rectangle2D} that holds the
+ * results of the intersection of {@code src1} and
+ * {@code src2}
* @since 1.2
*/
public static void intersect(Rectangle2D src1,
Rectangle2D src2,
Rectangle2D dest) {
@@ -738,36 +738,36 @@
double y2 = Math.min(src1.getMaxY(), src2.getMaxY());
dest.setFrame(x1, y1, x2-x1, y2-y1);
}
/**
- * Returns a new <code>Rectangle2D</code> object representing the
- * union of this <code>Rectangle2D</code> with the specified
- * <code>Rectangle2D</code>.
- * @param r the <code>Rectangle2D</code> to be combined with
- * this <code>Rectangle2D</code>
- * @return the smallest <code>Rectangle2D</code> containing both
- * the specified <code>Rectangle2D</code> and this
- * <code>Rectangle2D</code>.
+ * Returns a new {@code Rectangle2D} object representing the
+ * union of this {@code Rectangle2D} with the specified
+ * {@code Rectangle2D}.
+ * @param r the {@code Rectangle2D} to be combined with
+ * this {@code Rectangle2D}
+ * @return the smallest {@code Rectangle2D} containing both
+ * the specified {@code Rectangle2D} and this
+ * {@code Rectangle2D}.
* @since 1.2
*/
public abstract Rectangle2D createUnion(Rectangle2D r);
/**
- * Unions the pair of source <code>Rectangle2D</code> objects
+ * Unions the pair of source {@code Rectangle2D} objects
* and puts the result into the specified destination
- * <code>Rectangle2D</code> object. One of the source rectangles
+ * {@code Rectangle2D} object. One of the source rectangles
* can also be the destination to avoid creating a third Rectangle2D
* object, but in this case the original points of this source
* rectangle will be overwritten by this method.
- * @param src1 the first of a pair of <code>Rectangle2D</code>
+ * @param src1 the first of a pair of {@code Rectangle2D}
* objects to be combined with each other
- * @param src2 the second of a pair of <code>Rectangle2D</code>
+ * @param src2 the second of a pair of {@code Rectangle2D}
* objects to be combined with each other
- * @param dest the <code>Rectangle2D</code> that holds the
- * results of the union of <code>src1</code> and
- * <code>src2</code>
+ * @param dest the {@code Rectangle2D} that holds the
+ * results of the union of {@code src1} and
+ * {@code src2}
* @since 1.2
*/
public static void union(Rectangle2D src1,
Rectangle2D src2,
Rectangle2D dest) {
@@ -778,23 +778,23 @@
dest.setFrameFromDiagonal(x1, y1, x2, y2);
}
/**
* Adds a point, specified by the double precision arguments
- * <code>newx</code> and <code>newy</code>, to this
- * <code>Rectangle2D</code>. The resulting <code>Rectangle2D</code>
- * is the smallest <code>Rectangle2D</code> that
- * contains both the original <code>Rectangle2D</code> and the
+ * {@code newx} and {@code newy}, to this
+ * {@code Rectangle2D}. The resulting {@code Rectangle2D}
+ * is the smallest {@code Rectangle2D} that
+ * contains both the original {@code Rectangle2D} and the
* specified point.
* <p>
- * After adding a point, a call to <code>contains</code> with the
+ * After adding a point, a call to {@code contains} with the
* added point as an argument does not necessarily return
- * <code>true</code>. The <code>contains</code> method does not
- * return <code>true</code> for points on the right or bottom
+ * {@code true}. The {@code contains} method does not
+ * return {@code true} for points on the right or bottom
* edges of a rectangle. Therefore, if the added point falls on
* the left or bottom edge of the enlarged rectangle,
- * <code>contains</code> returns <code>false</code> for that point.
+ * {@code contains} returns {@code false} for that point.
* @param newx the X coordinate of the new point
* @param newy the Y coordinate of the new point
* @since 1.2
*/
public void add(double newx, double newy) {
@@ -804,37 +804,37 @@
double y2 = Math.max(getMaxY(), newy);
setRect(x1, y1, x2 - x1, y2 - y1);
}
/**
- * Adds the <code>Point2D</code> object <code>pt</code> to this
- * <code>Rectangle2D</code>.
- * The resulting <code>Rectangle2D</code> is the smallest
- * <code>Rectangle2D</code> that contains both the original
- * <code>Rectangle2D</code> and the specified <code>Point2D</code>.
+ * Adds the {@code Point2D} object {@code pt} to this
+ * {@code Rectangle2D}.
+ * The resulting {@code Rectangle2D} is the smallest
+ * {@code Rectangle2D} that contains both the original
+ * {@code Rectangle2D} and the specified {@code Point2D}.
* <p>
- * After adding a point, a call to <code>contains</code> with the
+ * After adding a point, a call to {@code contains} with the
* added point as an argument does not necessarily return
- * <code>true</code>. The <code>contains</code>
- * method does not return <code>true</code> for points on the right
+ * {@code true}. The {@code contains}
+ * method does not return {@code true} for points on the right
* or bottom edges of a rectangle. Therefore, if the added point falls
* on the left or bottom edge of the enlarged rectangle,
- * <code>contains</code> returns <code>false</code> for that point.
- * @param pt the new <code>Point2D</code> to add to this
- * <code>Rectangle2D</code>.
+ * {@code contains} returns {@code false} for that point.
+ * @param pt the new {@code Point2D} to add to this
+ * {@code Rectangle2D}.
* @since 1.2
*/
public void add(Point2D pt) {
add(pt.getX(), pt.getY());
}
/**
- * Adds a <code>Rectangle2D</code> object to this
- * <code>Rectangle2D</code>. The resulting <code>Rectangle2D</code>
- * is the union of the two <code>Rectangle2D</code> objects.
- * @param r the <code>Rectangle2D</code> to add to this
- * <code>Rectangle2D</code>.
+ * Adds a {@code Rectangle2D} object to this
+ * {@code Rectangle2D}. The resulting {@code Rectangle2D}
+ * is the union of the two {@code Rectangle2D} objects.
+ * @param r the {@code Rectangle2D} to add to this
+ * {@code Rectangle2D}.
* @since 1.2
*/
public void add(Rectangle2D r) {
double x1 = Math.min(getMinX(), r.getMinX());
double x2 = Math.max(getMaxX(), r.getMaxX());
@@ -843,56 +843,56 @@
setRect(x1, y1, x2 - x1, y2 - y1);
}
/**
* Returns an iteration object that defines the boundary of this
- * <code>Rectangle2D</code>.
+ * {@code Rectangle2D}.
* The iterator for this class is multi-threaded safe, which means
- * that this <code>Rectangle2D</code> class guarantees that
- * modifications to the geometry of this <code>Rectangle2D</code>
+ * that this {@code Rectangle2D} class guarantees that
+ * modifications to the geometry of this {@code Rectangle2D}
* object do not affect any iterations of that geometry that
* are already in process.
- * @param at an optional <code>AffineTransform</code> to be applied to
+ * @param at an optional {@code AffineTransform} to be applied to
* the coordinates as they are returned in the iteration, or
- * <code>null</code> if untransformed coordinates are desired
- * @return the <code>PathIterator</code> object that returns the
+ * {@code null} if untransformed coordinates are desired
+ * @return the {@code PathIterator} object that returns the
* geometry of the outline of this
- * <code>Rectangle2D</code>, one segment at a time.
+ * {@code Rectangle2D}, one segment at a time.
* @since 1.2
*/
public PathIterator getPathIterator(AffineTransform at) {
return new RectIterator(this, at);
}
/**
* Returns an iteration object that defines the boundary of the
- * flattened <code>Rectangle2D</code>. Since rectangles are already
- * flat, the <code>flatness</code> parameter is ignored.
+ * flattened {@code Rectangle2D}. Since rectangles are already
+ * flat, the {@code flatness} parameter is ignored.
* The iterator for this class is multi-threaded safe, which means
- * that this <code>Rectangle2D</code> class guarantees that
- * modifications to the geometry of this <code>Rectangle2D</code>
+ * that this {@code Rectangle2D} class guarantees that
+ * modifications to the geometry of this {@code Rectangle2D}
* object do not affect any iterations of that geometry that
* are already in process.
- * @param at an optional <code>AffineTransform</code> to be applied to
+ * @param at an optional {@code AffineTransform} to be applied to
* the coordinates as they are returned in the iteration, or
- * <code>null</code> if untransformed coordinates are desired
+ * {@code null} if untransformed coordinates are desired
* @param flatness the maximum distance that the line segments used to
* approximate the curved segments are allowed to deviate from any
* point on the original curve. Since rectangles are already flat,
- * the <code>flatness</code> parameter is ignored.
- * @return the <code>PathIterator</code> object that returns the
+ * the {@code flatness} parameter is ignored.
+ * @return the {@code PathIterator} object that returns the
* geometry of the outline of this
- * <code>Rectangle2D</code>, one segment at a time.
+ * {@code Rectangle2D}, one segment at a time.
* @since 1.2
*/
public PathIterator getPathIterator(AffineTransform at, double flatness) {
return new RectIterator(this, at);
}
/**
- * Returns the hashcode for this <code>Rectangle2D</code>.
- * @return the hashcode for this <code>Rectangle2D</code>.
+ * Returns the hashcode for this {@code Rectangle2D}.
+ * @return the hashcode for this {@code Rectangle2D}.
* @since 1.2
*/
public int hashCode() {
long bits = java.lang.Double.doubleToLongBits(getX());
bits += java.lang.Double.doubleToLongBits(getY()) * 37;
@@ -900,20 +900,20 @@
bits += java.lang.Double.doubleToLongBits(getHeight()) * 47;
return (((int) bits) ^ ((int) (bits >> 32)));
}
/**
- * Determines whether or not the specified <code>Object</code> is
- * equal to this <code>Rectangle2D</code>. The specified
- * <code>Object</code> is equal to this <code>Rectangle2D</code>
- * if it is an instance of <code>Rectangle2D</code> and if its
- * location and size are the same as this <code>Rectangle2D</code>.
- * @param obj an <code>Object</code> to be compared with this
- * <code>Rectangle2D</code>.
- * @return <code>true</code> if <code>obj</code> is an instance
- * of <code>Rectangle2D</code> and has
- * the same values; <code>false</code> otherwise.
+ * Determines whether or not the specified {@code Object} is
+ * equal to this {@code Rectangle2D}. The specified
+ * {@code Object} is equal to this {@code Rectangle2D}
+ * if it is an instance of {@code Rectangle2D} and if its
+ * location and size are the same as this {@code Rectangle2D}.
+ * @param obj an {@code Object} to be compared with this
+ * {@code Rectangle2D}.
+ * @return {@code true} if {@code obj} is an instance
+ * of {@code Rectangle2D} and has
+ * the same values; {@code false} otherwise.
* @since 1.2
*/
public boolean equals(Object obj) {
if (obj == this) {
return true;
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