Java by API/java.awt/Rectangle

Rectangle: grow(int h, int v)

   <source lang="java">

import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Rectangle; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   Graphics2D g2 = (Graphics2D) g;
   
   Rectangle r = new Rectangle (100, 100, 200, 200);
   r.grow (-25, -50);
   g2.fill (r);
   System.out.println (r);
   
   
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200, 200);
   frame.setVisible(true);
 }

}

      </source>
   
  
 
  

Rectangle: intersection(Rectangle r)

   <source lang="java">

import java.awt.Graphics; import java.awt.Rectangle; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   Rectangle r = new Rectangle(50, 50, 100, 100);
   Rectangle r1 = new Rectangle(100, 100, 75, 75);
   g.drawRect(r.x, r.y, r.width, r.height);
   g.drawRect(r1.x, r1.y, r1.width, r1.height);
   Rectangle r2 = r.intersection(r1);
   System.out.println(r2);
   g.fillRect(r2.x, r2.y, r2.width, r2.height);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200, 200);
   frame.setVisible(true);
 }

}

      </source>