Explain the applet in java, JAVA Programming

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Explain The Applet in java?

The reason people are excited about Java as more than just another OOP language is because it allows them to write interactive applets on the web. Hello World isn't an extremely interactive program, other than let's look at a webbed version.
import java.applet.Applet;
import java.awt.Graphics;

public class HelloWorldApplet extends Applet {

public void paint(Graphics g) {
g.drawString("Hello world!", 50, 25);
}
}
The applet version of HelloWorld is a little more complicated than the HelloWorld application, and it will take a little more effort to run it as well.
First kind in the source code and save it into file known as HelloWorldApplet.java. Compile this file in the usual way. If all is well a file known as HelloWorldApplet.class will be formed. Now you required to create an HTML file that will involved your applet. The following easy HTML file will do.
< html>
< head>
< title> hello world
< /head>

< body>
This is the applet:< P>
< applet code="HelloWorldApplet" width="150" height="50">
< /applet>
< /body>
< /html>

Save this file as HelloWorldApplet.html in the similar directory as the HelloWorldApplet.class file. While you've done that, load the HTML file into a Java enabled browser. You should see something like below, by of course the exact details depend on that browser you use.

If the applet compiled without error and produced a HelloWorldApplet.class file, and yet you don't see the string "Hello World" in your browser chances are that the .class file is in the wrong place. Make sure HelloWorldApplet.class is in the similar directory as HelloWorld.html. Also make sure in which your browsers supports Java or that the Java plugin has been installed. Not all browsers support Java out of the box.

Several browsers have less than perfect support for Java so if you have trouble along with an applet, the first thing to try is loading it within Sun's Applet Viewer instead. If the Applet Viewer has a problem, then chances are pretty good the problem is with the applet and not with the browser.


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