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Problem :
(a) One problem encountered when designing web applications is that HTTP is a "stateless" protocol. Describe two general approaches to solve the statelessness problem.
(b) List two methods for each of the following ASP built-in Objects:
(i) Response (ii) Application (iii) Server.
(c) Create a Global.asa file that allows you to track the total number of visitors accessing a site.
(d) Refer to the code of a Java Applet as listed below. With the aid of a sketch describe what exactly you would expect to see in the MSDOS window from AppletViewer or on the Java Console from Internet Explorer. Explain your answer.
import java.awt.*; import java.applet.Applet; public class Demo extends Applet { public void paint(Graphics g) { int n=0; int x=20; int y=20; while (n < 5) { g.drawLine(x, y, x+100, y); y = y + 10 ; n++ ; } } }
Prompt the user for an int between an upper and lower boundary. Reuse the validateInput() method from project 2 to validate if the input is in bounds. If it is not, print an error
In Java not all classes must be described separate from each other. You may put the definition of one class under the definition of another class. The class inside class is called
What is an abstract class? Abstract class must be extended/subclassed (to be useful). It serves as a template. A class that is abstract may not be instantiated (ie. you may not
An ActionForm is a JavaBean that extends org.apache.struts.action.ActionForm. ActionForm handles the session state for web application and the ActionForm object is automatically p
Default port used by RMI Registry is 1099
The JMS provider handles security of the messages, data conversion and the client triggering. The JMS provider verifies the level of encryption and the security level of the messag
WAP to input a 4 digit no and find greatest using nested if
code for error correction and detection using even odd parity
What do you mean by casting ?
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