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

Collections, Employee get data from console

Employee get data from console

Develop a school java project, Develop a School java project Project Des...

Develop a School java project Project Description: Programming java, threads. Not so hard but requires knowledgeSkills required: Java

Test phases and cycles? , 1. Unit tests :There are two popular processe...

1. Unit tests :There are two popular processes to testing server-side classes: mock objects, which test classes by checking the server container, and in-container testing, which

Complete the specification of chatter, Tasks: Complete the specifica...

Tasks: Complete the specification of CHATTER, and specify ChatterLists. Implement these ADTs in Java with an abstract class Chatter and a class ChatterList. Use javado

What is the data normalization also define its goal, What is the Data Norma...

What is the Data Normalization? Also define its goal. Data normalization is to sort out complex data within easy form. It uses to simplify the complex information to form it mo

Static variable, import java.text.NumberFormat; import java.util.Locale; p...

import java.text.NumberFormat; import java.util.Locale; public class Client {    // instance data    private String name;    private long income_this_year;    private double perce

Password Generator Software, In this exercise, I want you to generate passw...

In this exercise, I want you to generate password based on random number generator. Develop an application that keeps track of the URL, username and password. I have listed few st

Program with fibonacci sequence of first 20 terms, Program 1. Write a J...

Program 1. Write a Java program to display the first 20 Fibonacci numbers Program with Fibonacci sequence of first 20 terms Output 2. Write an applet progr

What is dispatchaction, The DispatchAction class is used to group related a...

The DispatchAction class is used to group related actions into single class. Using this class, you can have a method for every logical action compared than a one executes method. 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