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 are the core classes of the struts framework, Struts is a set of coope...

Struts is a set of cooperating classes, servlets, and JSP tags that make up a reusable MVC 2 design. ? JavaBeans components for managing application state and behavior. ? Eve

Method to define the packages in java programme, Q. Write the method to def...

Q. Write the method to define the packages in java programme. Explain. Ans. Package: When we work on a project we have to break our programme in several classes. To organize

Explanation of the inputstream with suitable diagrams, Problem 1) Descr...

Problem 1) Describe the concept of interfaces in Java with a suitable example for the same Explanation of the concept of interfaces with example 2) Describe the Inp

I want school management project, I want School Management project Proje...

I want School Management project Project Description: An easy school management project which able to store all data about students like fees structure, admission details and

Decsion tree, implementation of DT in netbeans

implementation of DT in netbeans

Java , Create an object model for the Solar System using the following link...

Create an object model for the Solar System using the following link: Provide">http://airandspace.si.edu/etp/ss/index.htm Provide an abstract class called Planet and a concrete s

Build KNN Classifier in Java, Can you help? this assignment I will need to ...

Can you help? this assignment I will need to build a very straightforward and fully functional machine learning classifier with the K-Nearest Neighbor (KNN) algorithm. The KNN mode

Define the type casting?, Type casting defines treating a variable of one t...

Type casting defines treating a variable of one type as though it is another type. When up casting primitives as given below from left to right, automatic conversion happens. Bu

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