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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.
The game of Life, invented by John Conway, is supposed to model the genetic laws for birth, survival, and death (see Scienti_c American, October 1970, p. 120). We will play it on a
What is Color in AWT? Color is a class in the AWT. Individual colors such as red or mauve are examples of this class, java.awt.Color. Be sure to import it if you want to use ot
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Farm Production System Project Description: I require software that will allow me to input/record the daily production of our farm and allow me to view the data back in the o
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how to Using polymorphism to write a program to display digital clock?
Benefits of Spring framework : Spring can effectively organize your middle tier objects as given in the diagram above, whether or not you select to use EJB. Applications create
Illustrate the parser method The below table summarizes the parser methods available to a java programmer.
I want ProSport Savings Plans Project Description: To prepare an application on iPhone, Mac, iPad and Android, which does the subsequent:- Provides a calculation of the am
What is Bullseye explain with an example? This is a easy applet that draws a series of filled, concentric circles alternating red and white, instead a bullseye. import java.ap
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