When comparing two string elements, the ____ must be used.
A. = = operator
B. equals method
C. compareString method
D. selection sort
Answer: B
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Most connections are ____ with data traveling faster downstream than upstream.
A. asymmetrical B. symmetrical C. asynchronous D. synchronous
A(n) ________ program is a computer program that runs on the client computer and requires no interaction with a web server
Fill in the blank(s) with correct word
Define the middle tier for the Road Sign Review application.
a) Opening roadSigns.jsp. Open the roadSigns.jsp that you modified b) Displaying road sign images. In the roadSigns.jsp source code, add a while statement to roadSigns.jsp. The loop should obtain the image file name and image name from each row in the ResultSet and use them to insert an img element in the page. Note that the loop replaces the long list of image elements that you added to this JSP . The remaining img element will appear as literal HTML markup between the two scriptlets that start and end the while statement. Two JSP expressions should be used to obtain the image file name and image name from the ResultSet. c) Closing the ResultSet. In the second scriptlet and after the while statement, add code to close the ResultSet invoking its close method. d) Defining the form’s method and action attributes in the states.jsp page. In the roadSigns.jsp source code, specify "post" as the form element’s method and use the action attribute to forward the client request to roadTestRegistered.jsp. e) Saving the file. Save your modified source code file. f) Opening roadTestRegistered.jsp. Open the roadTestRegistered.jsp file that you created in Exercise 1.13. g) Displaying the client’s name. In the roadTestRegistered.jsp source code, modify the paragraph element that contains “confirmation” to use a JSP expression to obtain the client’s name from the JSP implicit object request and display it in the paragraph. h) Displaying the client’s phone number. Modify the paragraph element from the previ- ous step to use a JSP expression to obtain the client’s phone number from the JSP implicit object request and display it in the paragraph. i) Saving the file. Save your modified source code file. j) Copying roadSigns.jsp and roadTestRegistered.jsp to the RoadSign directory. Copy your updated roadSigns.jsp and roadTestRegistered.jsp files and paste them into the C:\Program Files\Apache Group\Tomcat 4.1\webapps\RoadSign directory. k) Starting Tomcat. Select Start > Programs > Apache Tomcat 4.1 > Start Tomcat to start the Tomcat server. l) Testing the application. Open a Web browser and enter the URL http:// localhost:8080/RoadSign/roadSigns.jsp, enter your name and phone number, and click the Register button to test the application. m)Stopping Tomcat. Select Start > Programs > Apache Tomcat 4.1 > Stop Tomcat to stop the Tomcat server.
In what types of installations might this scheme be useful?
What will be an ideal response?