Point.java (toString): Use getClass().getName().

* java/awt/Point.java (toString): Use getClass().getName().
	Added javadoc.

From-SVN: r48929
This commit is contained in:
Tom Tromey 2002-01-16 21:35:51 +00:00 committed by Tom Tromey
parent 0df2959645
commit a53c400d2a
2 changed files with 95 additions and 7 deletions

View file

@ -1,4 +1,4 @@
/* Copyright (C) 1999 Free Software Foundation
/* Copyright (C) 1999, 2002 Free Software Foundation
This file is part of libjava.
@ -9,28 +9,69 @@ details. */
package java.awt;
import java.awt.geom.Point2D;
/**
* @author Per Bothner <bothner@cygnus.com>
* @date February 8, 1999.
*/
/* Written using "Java Class Libraries", 2nd edition, plus online
* API docs for JDK 1.2 beta from http://www.javasoft.com.
* Status: Believed complete and correct, except that neither toString
* nor hashCode have been compared with JDK output.
*/
/**
* This class represents a point on the screen using cartesian coordinates.
*
* @author Per Bothner <bothner@cygnus.com>
* @author Aaron M. Renn (arenn@urbanophile.com)
* @date February 8, 1999.
*/
public class Point extends Point2D implements java.io.Serializable
{
/**
* @serial The X coordinate of the point.
*/
public int x;
/**
* @serial The Y coordinate of the point.
*/
public int y;
/**
* Initializes a new instance of <code>Point</code> representing the
* coordiates (0,0).
*/
public Point () { }
/**
* Initializes a new instance of <code>Point</code> with coordinates
* identical to the coordinates of the specified points.
*
* @param point The point to copy the coordinates from.
*/
public Point (Point p) { this.x = p.x; this.y = p.y; }
/**
* Initializes a new instance of <code>Point</code> with the specified
* coordinates.
*
* @param x The X coordinate of this point.
* @param y The Y coordinate of this point.
*/
public Point (int x, int y) { this.x = x; this.y = y; }
/**
* Tests whether or not this object is equal to the specified object.
* This will be true if and only if the specified objectj:
* <p>
* <ul>
* <li>Is not <code>null</code>.
* <li>Is an instance of <code>Point</code>.
* <li>Has X and Y coordinates equal to this object's.
* </ul>
*
* @param obj The object to test against for equality.
*
* @return <code>true</code> if the specified object is equal to this
* object, <code>false</code> otherwise.
*/
public boolean equals (Object obj)
{
if (! (obj instanceof Point))
@ -39,21 +80,65 @@ public class Point extends Point2D implements java.io.Serializable
return this.x == p.x && this.y == p.y;
}
/**
* Returns a hash value for this point.
*
* @param A hash value for this point.
*/
public int hashCode () { return x ^ y; }
/**
* Returns the location of this object as a point. A pretty useless
* method. It is included to mimic the <code>getLocation</code> method
* in component.
*
* @return This point.
*/
public Point getLocation () { return new Point(this); }
/**
* Sets this object's coordinates to the specified values. This method
* is identical to the <code>setLocation(int, int)</code> method.
*
* @param x The new X coordinate.
* @param y The new Y coordinate.
*/
public void move (int x, int y) { this.x = x; this.y = y; }
/**
* Sets this object's coordinates to the specified values. This method
* is identical to the <code>move()</code> method.
*
* @param x The new X coordinate.
* @param y The new Y coordinate.
*/
public void setLocation (int x, int y) { this.x = x; this.y = y; }
/**
* Sets this object's coordinates to match those of the specified point.
*
* @param point The point to copy the coordinates from.
*/
public void setLocation (Point pt) { this.x = pt.x; this.y = pt.y; }
/**
* Changes the coordinates of this point such that the specified
* <code>dx</code> parameter is added to the existing X coordinate and
* <code>dy</code> is added to the existing Y coordinate.
*
* @param dx The amount to add to the X coordinate.
* @param dy The amount to add to the Y coordinate.
*/
public void translate (int x, int y) { this.x += x; this.y += y; }
/**
* Returns a string representation of this object.
*
* @return A string representation of this object.
*/
public String toString ()
{
return "Point[x:"+x+",y:"+y+']';
return getClass().getName() + "[x:"+x+",y:"+y+']';
}
public double getX() { return x; }