Java Enterprise and Web Technologies

It provides security access to an existing object.

It simplifies the API of complex objects.

It provides interface for remote resources such as web service or REST resources.

All of the above.

Only (1) and (3).

It provides the client specific information to the server.

This object represents a heavy or skeleton object as a virtual proxy object and on demand load the real object.

It provides protection to the web pages by blocking some content.

All of the above.

Both (1) and (2).

There is less coupling during the request sent to the receiver.

There is a chaining process to manage the request for the objects.

The several linked objects respond to a request or hand it off to the object next in line.

The frequency of chained objects propagates from high to low.

This pattern encapsulates a request as an object.

ServletRequest

ServletResponse

SingleThreadModel

Servlet

ServletConfig

stop()

getName()

accept()

chat()

move()

ServletOutputStream

ServletInputStream

GenericServlet

ServletException

None of these

HttpServlet

HttpSessionBindingEvent

HttpUtils

Cookie

None of these

void destroy()

string getServletInfo()

string getScheme()

int getServerPort()

string getServerName()

getIconHeight()

paintIcon()

getIconWidth()

none of these

init()

parseBillData()

mouseMoved()

none of these

String getMethod()

String getQueryString()

String getPathInfo()

String getRemoteUser()

String getRequestURI()

ServletConfig

ServletContext

Servlet

ServletRequest

ServletResponse

JButton

JCheckBox

JApplet

AbstractButton

JLabel

init()

smash()

tear()

sleep()

run()

To create a horizontal box on screen

To create a horizontal space between a defined label and defined text field

To create a position of a symbol on the screen

To create a vertical space between a defined label and defined text field

All of the above