Java by API/java.awt/Point

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new Point(int x, int y)

   <source lang="java">

/* 

* Output:

cPoint is located at: java.awt.Point[x=50,y=25] aPoint is located at: java.awt.Point[x=0,y=0] aPoint is now at: java.awt.Point[x=110,y=70] aPoint and bPoint are at the same location. 

* */

import java.awt.Point; public class MainClass { 

 public static void main(String[] args) {
   Point aPoint = new Point();
   Point bPoint = new Point(50, 25);
   Point cPoint = new Point(bPoint);
   
   System.out.println("cPoint is located at: " + cPoint);
   
   System.out.println("aPoint is located at: " + aPoint);
   aPoint.move(100, 50);
   bPoint.x = 110;
   bPoint.y = 70;
   aPoint.translate(10, 20);
   System.out.println("aPoint is now at: " + aPoint);
   if (aPoint.equals(bPoint))
     System.out.println("aPoint and bPoint are at the same location.");
 }

} 


 </source>



new Point(Point p)

   <source lang="java">

/* 

* Output:

cPoint is located at: java.awt.Point[x=50,y=25] aPoint is located at: java.awt.Point[x=0,y=0] aPoint is now at: java.awt.Point[x=110,y=70] aPoint and bPoint are at the same location. 

* */

import java.awt.Point; public class MainClass { 

 public static void main(String[] args) {
   Point aPoint = new Point();
   Point bPoint = new Point(50, 25);
   Point cPoint = new Point(bPoint);
   
   System.out.println("cPoint is located at: " + cPoint);
   
   System.out.println("aPoint is located at: " + aPoint);
   aPoint.move(100, 50);
   bPoint.x = 110;
   bPoint.y = 70;
   aPoint.translate(10, 20);
   System.out.println("aPoint is now at: " + aPoint);
   if (aPoint.equals(bPoint))
     System.out.println("aPoint and bPoint are at the same location.");
 }

} 


 </source>



Point: equals(Object p)

   <source lang="java">

/* 

* Output:

cPoint is located at: java.awt.Point[x=50,y=25] aPoint is located at: java.awt.Point[x=0,y=0] aPoint is now at: java.awt.Point[x=110,y=70] aPoint and bPoint are at the same location. 

* */

import java.awt.Point; public class MainClass { 

 public static void main(String[] args) {
   Point aPoint = new Point();
   Point bPoint = new Point(50, 25);
   Point cPoint = new Point(bPoint);
   
   System.out.println("cPoint is located at: " + cPoint);
   
   System.out.println("aPoint is located at: " + aPoint);
   aPoint.move(100, 50);
   bPoint.x = 110;
   bPoint.y = 70;
   aPoint.translate(10, 20);
   System.out.println("aPoint is now at: " + aPoint);
   if (aPoint.equals(bPoint))
     System.out.println("aPoint and bPoint are at the same location.");
 }

} 


 </source>



Point: move(int x, int y)

   <source lang="java">

/* 

* Output:

cPoint is located at: java.awt.Point[x=50,y=25] aPoint is located at: java.awt.Point[x=0,y=0] aPoint is now at: java.awt.Point[x=110,y=70] aPoint and bPoint are at the same location. 

* */

import java.awt.Point; public class MainClass { 

 public static void main(String[] args) {
   Point aPoint = new Point();
   Point bPoint = new Point(50, 25);
   Point cPoint = new Point(bPoint);
   
   System.out.println("cPoint is located at: " + cPoint);
   
   System.out.println("aPoint is located at: " + aPoint);
   aPoint.move(100, 50);
   bPoint.x = 110;
   bPoint.y = 70;
   aPoint.translate(10, 20);
   System.out.println("aPoint is now at: " + aPoint);
   if (aPoint.equals(bPoint))
     System.out.println("aPoint and bPoint are at the same location.");
 }

} 


 </source>



Point: translate(int dx, int dy)

   <source lang="java">

/* 

* Output:

cPoint is located at: java.awt.Point[x=50,y=25] aPoint is located at: java.awt.Point[x=0,y=0] aPoint is now at: java.awt.Point[x=110,y=70] aPoint and bPoint are at the same location. 

* */

import java.awt.Point; public class MainClass { 

 public static void main(String[] args) {
   Point aPoint = new Point();
   Point bPoint = new Point(50, 25);
   Point cPoint = new Point(bPoint);
   
   System.out.println("cPoint is located at: " + cPoint);
   
   System.out.println("aPoint is located at: " + aPoint);
   aPoint.move(100, 50);
   bPoint.x = 110;
   bPoint.y = 70;
   aPoint.translate(10, 20);
   System.out.println("aPoint is now at: " + aPoint);
   if (aPoint.equals(bPoint))
     System.out.println("aPoint and bPoint are at the same location.");
 }

} 


 </source>



Point.x

   <source lang="java">

import java.awt.Container; import java.awt.Graphics; import java.awt.Point; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import javax.swing.JFrame; import javax.swing.JPanel; public class Main extends JPanel implements KeyListener { 

 private Point startPoint = new Point(0, 0);
 private Point endPoint = new Point(0, 0);
 public Main() {
   addKeyListener(this);
 }
 public void keyPressed(KeyEvent evt) {
   int keyCode = evt.getKeyCode();
   int d;
   if (evt.isShiftDown())
     d = 5;
   else
     d = 1;
   if (keyCode == KeyEvent.VK_LEFT)
     add(-d, 0);
   else if (keyCode == KeyEvent.VK_RIGHT)
     add(d, 0);
   else if (keyCode == KeyEvent.VK_UP)
     add(0, -d);
   else if (keyCode == KeyEvent.VK_DOWN)
     add(0, d);
 }
 public void keyReleased(KeyEvent evt) {
 }
 public void keyTyped(KeyEvent evt) {
 }
 public boolean isFocusTraversable() {
   return true;
 }
 public void add(int dx, int dy) {
   endPoint.x += dx;
   endPoint.y += dy;
   Graphics g = getGraphics();
   g.drawLine(startPoint.x, startPoint.y, endPoint.x, endPoint.y);
   g.dispose();
   startPoint.x = endPoint.x;
   startPoint.y = endPoint.y;
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.setTitle("Sketch");
   frame.setSize(300, 200);
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   Container contentPane = frame.getContentPane();
   contentPane.add(new Main());
   frame.setVisible(true);
 }

} 


 </source>



Point.y

   <source lang="java">

import java.awt.Container; import java.awt.Graphics; import java.awt.Point; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import javax.swing.JFrame; import javax.swing.JPanel; public class Main extends JPanel implements KeyListener { 

 private Point startPoint = new Point(0, 0);
 private Point endPoint = new Point(0, 0);
 public Main() {
   addKeyListener(this);
 }
 public void keyPressed(KeyEvent evt) {
   int keyCode = evt.getKeyCode();
   int d;
   if (evt.isShiftDown())
     d = 5;
   else
     d = 1;
   if (keyCode == KeyEvent.VK_LEFT)
     add(-d, 0);
   else if (keyCode == KeyEvent.VK_RIGHT)
     add(d, 0);
   else if (keyCode == KeyEvent.VK_UP)
     add(0, -d);
   else if (keyCode == KeyEvent.VK_DOWN)
     add(0, d);
 }
 public void keyReleased(KeyEvent evt) {
 }
 public void keyTyped(KeyEvent evt) {
 }
 public boolean isFocusTraversable() {
   return true;
 }
 public void add(int dx, int dy) {
   endPoint.x += dx;
   endPoint.y += dy;
   Graphics g = getGraphics();
   g.drawLine(startPoint.x, startPoint.y, endPoint.x, endPoint.y);
   g.dispose();
   startPoint.x = endPoint.x;
   startPoint.y = endPoint.y;
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.setTitle("Sketch");
   frame.setSize(300, 200);
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   Container contentPane = frame.getContentPane();
   contentPane.add(new Main());
   frame.setVisible(true);
 }

} 


 </source>
Источник — «http://www.jexp.ru/index.php?title=Java_by_API/java.awt/Point&oldid=1090»