• Java Applet Parameter

    Java Applet Parameter

    In The Topic Java Applet Parameter, programmer can pass  parameters to applet. To do this, use PARAM attribute of the APPLET tab, with setting the parameter’s name and value. To get back a parameter value, use the getParameter() method, defined by Applet. Its general form is shown here:

    String getParameter(String paramName);

    Here, paramName is the name of parameter. It pass the value of the specified parameter in the form of a String object.

    For Example,

    Java File

    /*

    <APPLET

    CODE = HelloJavaParam.class

    WIDTH = 400

    HEIGHT = 200

    ALIGN = MIDDLE>


    <PARAM NAME = “string” VALUE = “Applet! “>

    </APPLET>

    */


    import java.awt.*;

    import java.applet.*;


    public class  HelloJavaParam extends Applet

    {

    String str;

    public void init()

    {

    str = getParameter(“string”);

    if(str == null)

    str = “Java”;

    str = “Hello ” + str;

    }

    public void paint(Graphics g)

    {

    g.drawString(str, 10, 100);

    }

    }

    HTML File

    <HTML>

    <HEAD>

    <TITLE>Applet Parameter</TITLE>

    </HEAD>

    <BODY>

    <APPLET

    CODE = “HelloJavaParam.class”

    WIDTH = “400”

    HEIGHT = “200”

    ALIGN = MIDDLE>


    <PARAM NAME = “string” VALUE = “Applet! “>

    </APPLET>

    </BODY>

    </HTML>

    Output

    Java Applet Parameter Example

    Figure: Java Applet Parameter Example

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