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Question:
(a) (i) Describe the purpose of comments when writing programs in Java.
(ii) Name the types of comments available and illustrate with simple examples.
(b) (i) What is the purpose of the ‘import' statement in Java programs?
(ii) With the help of an example show the syntax for importing one class from a package and all the classes from that package.
(c) (i) Describe the steps we need to write a Java application and to run the program. Also describe the tools required for each step.
(ii) Explain the difference between object declaration and object creation. Explain your answer with a suitable example.
(d) Write a Java application that accepts a person's weight and displays the number of calories the person needs in one day. A person needs 38 calories per Kg of body weight, so the formula would be
calories = bodyweight * 38;
Here you may use an input dialog from the class JOptionPane to request the user to enter the body weight and a message dialog to output the calories needed.
You are part of a team creating a system to keep track of computer science books that a publisher is producing. Create a UML class diagram for a "computer science book". You must h
What is JDBC exactly? Describe the steps required to execute a SQL query using JDBC.
Write a program called Drivers that displays information about Formula 1 drivers and their teams. The program starts by prompting (asking) the user for the name of an input tex
Normal 0 false false false EN-US X-NONE X-NONE
Can we use the constructor, instead of init(), to initialize servlet? Ans) Yes. Of course you can use the constructor instead of init(). There's nothing to stop you. But you sho
An execution of the JMS interface for a Message Oriented Middleware (MOM). Providers are executed as either a Java JMS execution or an adapter to a non-Java MOM.
codes and output on how to make multiple choices quiz
Write a java program that computes the scores of 10 students in the following units; 1.Java 2.PHP 3.Python 4.C++ 5.Perl Generate a transcript.
Write a function that draws a cow at a certain location on the screen, and use the function to draw a herd of cows
a. Write an application for a video store. Place the names of 10 of your favorite movies in a combo box. Let the user select a movie to rent. Let the user select a movie to rent. D
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