What is the use of codebase in applets?

What is the use of codebase in applets?

Attribute codebase specifies the base URL of the applet – the directory that contains the applet’s code. It is used while searching jar files in archive attribute, in such a way that all jars in archive attribute are searched relative to codebase .

What is attribute of applet?

Specific Attributes

Attribute Value Description
codebase URL Indicates the base URL of the applet if the code attribute is relative
height pixels Height to display the applet
hspace pixels Deprecated − Defines the left and right spacing around the applet
name name Defines a unique name for the applet

What are the attributes of Param tag in applet?

The PARAM element is used to provide “command-line” arguments to a Java applet, which is embedded in a document with the APPLET element. It has two attributes: NAME specifies the name of the argument, and VALUE specifies the value for this argument.

How many attributes of applet tag are optional?

Attributes of the tag specify general features that apply to all applets, such as size and alignment. Three attributes, code, width, and height, are always required in the tag. All other attributes are optional.

What are the two types of applets?

There are two types of applets that a web page can contain.

  • Local Applet.
  • Remote Applet.

What is an applet skeleton?

All but the most trivial applets override a set of methods that provides the basic mechanism by which the browser or applet viewer interfaces to the applet and controls its execution. Four of these methods, init( ), start( ), stop( ), and destroy( ), apply to all applets and are defined by Applet.

How pass parameters into applets explain with example?

Syntax: public String getParameter(String parameterName)…Example of using parameter in Applet:

  1. import java. applet. Applet;
  2. import java. awt. Graphics;
  3. public class UseParam extends Applet{
  4. public void paint(Graphics g){
  5. String str=getParameter(“msg”);
  6. g. drawString(str,50, 50);
  7. }
  8. }

How parameters are passed in applet program describe with example?

Parameters passed to an applet To pass the parameters to the Applet we need to use the param attribute of tag. To retrieve a parameter’s value, we need to use the getParameter() method of Applet class.

What Is syntax of applet?

Applet Syntax Just like an application an applet is a collection of classes. Rules for execution and definition of classes are the same, except for the driver class and reading of html files. You also need to define an associated html file. The browser first reads the html file.

What is applet definition in Java?

Java applets are used to provide interactive features to web applications and can be executed by browsers for many platforms. They are small, portable Java programs embedded in HTML pages and can run automatically when the pages are viewed. Malware authors have used Java applets as a vehicle for attack.

What are types of applets?

Types of Applets

  • Form applet. A form applet displays data in a data entry form.
  • List applet. A list applet allows the simultaneous display of data from multiple records.
  • Pick applet.
  • Multi-value group applet.
  • Chart applet.
  • Association applet.

What is an applet tag in Java?

The Java programming language, developed by Sun Microsystems allows developers to create a special type of Java application called an applet. Applets are programs designed to run within the confines of a Web browser. Java is a full featured object oriented language.