Difference between object declaration and object creation, JAVA Programming

Assignment Help:

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.


Related Discussions:- Difference between object declaration and object creation

What is a target , A target is the class that is being advised. The class ...

A target is the class that is being advised. The class can be a third party class or your own class to which you require to add your own custom behavior. By using the concepts of A

Create an android application., We need to create an Android application. T...

We need to create an Android application. The application is about registering courses in a university, viewing grades, available courses and evaluating faculty members. Advisor

Program to create 5 objects and get them interact together, In this assignm...

In this assignment, you will create 5 objects and get them to interact together. You will create theatres for which patrons will buy tickets from a box office to watch movies.

Need the following code for double variables instead of int, Need the follo...

Need the following code in double var instead of integer. import javax.swing.*; public class arrayVar { public static void main (String[] args) //This is our main method prompt

Implement a driver program to test out all constructors, Implement a class ...

Implement a class  Book  (Book.java). A book will have three instance variables: a  title  (a String, for example: "Big Java" or "The Hitchhiker's Guide to the Galaxy"), an  author

Expertise in gps or navigation app coding, Project Description: Two co-f...

Project Description: Two co-founders are in search of a developer to join us to launch a tech startup. We have experience at fortune 500 companies, elite consulting firms, etc.,

Derfine j2ee in detail?, A J2EE component is a self-contained functional so...

A J2EE component is a self-contained functional software unit that is assembled into a J2EE application with its related files and classes and interacts with other components. The

In programming what is an object, In programming, what is an object? Ob...

In programming, what is an object? Object is a named collection of properties (data and state) & methods (instructions, behaviour). Objects are key to understanding object-orie

Javascript validation, 1. Obtaining the new script: Download and save the...

1. Obtaining the new script: Download and save the attached comment CGI mailer script form-mail2.pl to your server's cgi-bin directory, and change the permissions on the script t

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd