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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.
Describe the java.lang package ? Each package describes a number of classes, exceptions, interfaces, and errors. For instance, in Java 1.1 the java.lang package holds these:
For this assignment you are provided with a class called LNode which can be used as a list node for a linked list of ints. You are also provided with an abstract class called LList
Create an application for an animal-fur trimming service. The business is open 15 weeks of the year, from April through July. The fee for a small animal (under 6 pounds) is $100, a
A fictitious train company, 'Transrail', has commissioned you to write a program that manages a list of train tickets. The program should display a text menu that prompts the us
What are the parts of website design? Parts of web design: There are in 3 types of elements for web design and below are there names: 1. Navigation scheme 2. Overall look and
Design and implement a class called Sphere that contains instance data that represents the sphere''s diameter, and include getter and setter methods for the diameter. Include metho
Differentiation between if statement and a switch statement ?
Need to develop a 3D rolling alarm clock (Android) Project Description: I want an android app as 3D rolling alarm clock It should have sound effect when setting the alarm
Normal 0 false false false EN-US X-NONE X-NONE
public class ConcatDemo { public static void main(String[] args) { String animal1 = "quick brown fox"; String animal2 = "lazy dog"; String article = "the";
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