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 the function of network interface card, What is the function of Net...

What is the function of Network Interface Card? NIC is an I/O device which plugs within the computer and it enables it to communicate over a network.

Garbage collection in java, The Java programming language is object-oriente...

The Java programming language is object-oriented and includes automatic garbage collection. Garbage collection is the process of reclaiming memory taken up by unreferenced objects.

Differentiation between an applet and an application, Differentiation betwe...

Differentiation between an Applet and an Application ?

Explain jar archives, Explain JAR Archives ? HTTP 1.0 uses a separate ...

Explain JAR Archives ? HTTP 1.0 uses a separate connection for every request. When you're downloading several small files, the time required to set up and tear down the connec

Create a new project in eclipse , Task 1 Create a new project in Eclips...

Task 1 Create a new project in Eclipse called Assignment 1. Within this project create a package called task01. 1/ Download the class Date (you must use this class - no

Define when to use hashmap and when to use treemap, How do you decide when ...

How do you decide when to use HashMap and when to use TreeMap? When we want to perform deletion, insertion and locate elements in a Map then HashMap is used. Whereas TreeMa

Need android geolocation service app, Need Android GeoLocation Service App ...

Need Android GeoLocation Service App Project Description: I want an android service app that will run on the background. The app has to get the users location (latitude an

Inheritances and interfaces, #queThis assignment will give you practice wit...

#queThis assignment will give you practice with defining classes. You are to write a set of classes that define the behavior of certain animals. You will be given a program that r

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