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

Explain what is naming applets in java applets, Explain what is Naming Appl...

Explain what is Naming Applets in java applets? You can give an applet a name by using the NAME attribute of the APPLET element. This allows communication between different app

What is the comparable interface, What is the Comparable interface? Com...

What is the Comparable interface? Comparable interface is used to sort arrays and collections of objects using collections.sort() and java.utils. Objects of the class implement

Online super market Applivation, i don''t need any code i need analysis an...

i don''t need any code i need analysis and design only -i need 4 use cases - description - activity diagram -sequence diagram -class diagram - data base diagram

Integration of neo4j and opengeo, Integration: Neo4J, OpenGeo, Ikanow Pr...

Integration: Neo4J, OpenGeo, Ikanow Project Description: I have an ongoing project to loosely integrate a variety of existing Open Source products: OpenGeo (geospatial server

A new dynamic website, A NEW Dynamic Website I have the subsequent requi...

A NEW Dynamic Website I have the subsequent requirement which needs to be designed in 30 days (Max). 1) Construct a website which is a dynamic, means allow me to change conte

Java application game of life, The game of Life, invented by John Conway, i...

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

data integrity - security component, Data integrity helps to make sure if ...

Data integrity helps to make sure if something is communicate and not tampered with in the mean while when transmission take place. Checksums: Simply inserts the bytes withi

SWING, Application using Swing API

Application using Swing API

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

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