Java D - 1
Java D - 2
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import java.awt.*;
import java.applet.*;
public class Demo extends Applet
{
private int antalUpprepningar = 0;
public void init()
{
String antal = getParameter("upprepa");
antal = antal.trim();
antalUpprepningar = Integer.parseInt(antal);
setBackground(Color.white);
}
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public void paint(Graphics g)
{
for (int i=0; i <antalUpprepningar; i++)
g.drawString("Hej Hopp!", 50, 30 + 20*i);
}
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}
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<HTML>
<APPLET CODE=Demo.class WIDTH=150 HEIGHT=100>
<PARAM NAME=upprepa VALUE=3>
</APPLET>
</HTML>
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==> javac Demo.java
==> appletviewer Demo.html
Java D - 3
Java D - 4
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Java D - 5
Java D - 6
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g.drawString("Hej Hopp!", 100, 100);
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Java D - 7
Java D - 8
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import java.awt.*;
import java.applet.*;
public class Test extends Applet
{
public void paint(Graphics g)
{
g.setColor(Color.red);
g.drawLine(10, 10, 100, 100);
g.setColor(Color.yellow);
g.fillOval(100, 100, 50,50);
drawOval(x, y, b, h)
fillOval(x, y, b, h)
Polygon p = new Polygon();
p.addPoint(50, 50);
p.addPoint(150, 50);
p.addPoint(100, 150);
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g.setColor(Color.orange);
g.fillPolygon(p);
drawPolygon(xp, yp, n)
fillPolygon(xp, yp, n)
g.setColor(Color.blue);
g.setFont(new Font(
"SansSerif", Font.BOLD + Font.ITALIC, 25));
g.drawString("Några figurer", 20, 50);
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drawString(txt, x, y)
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}
}
Java D - 9
Java D - 10
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import java.awt.*;
import java.applet.*;
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public class Bild extends Applet
{
private Image bilden = null;
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Image bild = getImage(getCodeBase(),
”bild.gif”));
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public void init()
{
bilden = getImage(getCodeBase(), "glac5.gif");
}
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public void paint(Graphics g)
{
if (g.drawImage(bilden, 0, 0, this))
showStatus("Laddar ... klart!");
else
showStatus("Laddar ... ");
}
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Java D - 11
--------------------------------------------------import java.awt.*;
import java.applet.*;
public class Ljud extends Applet
{
private Image bilden = null;
private AudioClip ljudet = null;
public void init()
{
bilden = getImage(getCodeBase(), "glac5.gif");
ljudet = getAudioClip(getCodeBase(), "yahoo.au");
}
public void paint(Graphics g)
{
if (g.drawImage(bilden, 0, 0, this))
{
showStatus("Laddar ... klart!");
ljudet.play();
}
else
showStatus("Laddar ... ");
}
}
--------------------------------------------------==> javac Ljud.java
==> jar cf Ljud.jar Ljud.class glac5.gif yahoo.au
==>
--------------------------------------------------<HTML>
<APPLET CODE="Ljud.class"
ARCHIVE="Ljud.jar" WIDTH=400 HEIGHT=300>
</APPLET>
</HTML>
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