Beginners guide in Java Applet / embedding a java applet in HTML page with example
Modern day programming uses java as an object oriented programming. Using applet we can use java program embedded to any web program. Apple...
https://things-for-students.blogspot.com/2013/03/beginners-guide-in-java-applet.html
Modern
day programming uses java as an object oriented programming. Using applet we
can use java program embedded to any web program. Applet also provides data
security and data encryption. If you are learning your first applet program
then this tutorial is best for you.
To compile the java file write the following code to console/Command prompt
c:\Programfiles\java\Jdk1.7.0_06\bin>javac firstApplet.java
After the compilation of the firstApplet.java a firstApplet.class file will be generated to your bin directory, i.e. a platform independent byte code you will get.
Create a HTML page firstApplet.html in the bin directory that consists of the following code.
<html>
<head>
<title>
My First Applet Programming.
</title>
</head>
<body>
<b>This is my first Java Applet Programming</b> <applet code="firstApplet.class" height="100" width="250"></applet>
</body>
</html>
Step 1: Write a simple applet code in java.
It can
be done in two ways:
- Opening a Notepad file in java bin directory and writing source code in it and save it with .java extension. Click here to know how to write a java program.
- It can also be done from console window I have used this path: c:\Programfiles\java\Jdk1.7.0_06\bin>edit filename.java
// Reference all the required Java Libraries from Applet and awt package
import java.applet.Applet;
import java.awt.*;
//The Applet code
public class firstApplet extends Applet
{
public void paint(Graphics g)
{
// Draw a rectangle width=250 height=100
g.drawRect(0,0,250,100);
// Set the color to blue
g.setColor(Color.blue);
// Write the message to the webpage at coordinate 10,50
g.drawString("Look at the Java Applet Page!",10,50);
}
}
Step 2: Compile the Java Source code
After the compilation of the firstApplet.java a firstApplet.class file will be generated to your bin directory, i.e. a platform independent byte code you will get.
Step 3: Create a HTML page that references applet
<html>
<head>
<title>
My First Applet Programming.
</title>
</head>
<body>
<b>This is my first Java Applet Programming</b> <applet code="firstApplet.class" height="100" width="250"></applet>
</body>
</html>
Step 4: Displaying the Applet in HTML page
Displaying
the Applet can be done in two ways.
- Open the created (i.e. firstApplet.html) html page with the browser.
- Opening from the command prompt(console) c:\Programfiles\java\Jdk1.7.0_06\bin>appletviewer firstApplet.html
Hope you
have learned your first applet programming from this tutorial.
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