https://wiki.twig.es/index.php?action=history&feed=atom&title=Drawing_on_canvas 2026-05-06T16:43:45Z Revision history for this page on the wiki MediaWiki 1.23.0 https://wiki.twig.es/index.php?title=Drawing_on_canvas&diff=5045&oldid=prev 2023-10-08T13:06:31Z

<p>Created page with &quot;&lt;source lang = &quot;java&quot;&gt; import javax.swing.*; import java.awt.*; import java.awt.geom.*; class Test{ public void paint(Graphics g) { g.drawLine(150, 500,...&quot;</p> <p><b>New page</b></p><div>&lt;source lang = &quot;java&quot;&gt;<br /> import javax.swing.*;<br /> import java.awt.*;<br /> import java.awt.geom.*;<br /> <br /> <br /> class Test{<br /> <br /> <br /> public void paint(Graphics g) <br /> {<br /> g.drawLine(150, 500, 150, 200);<br /> g.drawLine(01, 200, 644, 200);<br /> g.drawLine(430,200,430,500);<br /> g.drawLine(300,200,300,002);<br /> <br /> for ( int k = 0; k &lt;= 100; k++)<br /> {<br /> int x = (int) (Math.random() * 200);<br /> int y = (int) (200 + Math.random() * 400);<br /> <br /> g.drawOval(x, y, 12.5, 12.5 );<br /> <br /> }<br /> }<br /> <br /> <br /> public static void main(String args[]){<br /> <br /> JFrame frame = new JFrame(&quot;HelloWorld&quot;);<br /> frame.setSize(600,400);<br /> frame.setLayout(null);<br /> <br /> JButton b1 = new JButton(&quot; one &quot;);<br /> JButton b2 = new JButton(&quot; two &quot;);<br /> JButton b3 = new JButton(&quot;three&quot;);<br /> <br /> b1.setSize(b1.getPreferredSize());<br /> b1.setLocation(20, 20);<br /> frame.add(b1);<br /> b2.setSize(b2.getPreferredSize());<br /> b2.setLocation(20, 50);<br /> frame.add(b2);<br /> b3.setSize(b3.getPreferredSize());<br /> b3.setLocation(20, 80);<br /> frame.add(b3);<br /> frame.paint();<br /> frame.setVisible(true);<br /> <br /> }<br /> }<br /> &lt;/source&gt;</div>

George2