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

Functions of specific codes, Please can you write some codes and their func...

Please can you write some codes and their functions too. At least 10! Please

Difference between composition and aggregation, Aggregation Comp...

Aggregation Composition Aggregation :  An   association   in  which  one  class refers to collection or a another class. This is a part of  a  who

Design a game in java, The game of Kala is played on a rectangular board: ...

The game of Kala is played on a rectangular board: In front of each player are six pits numbered 1 to 6 (called the 'side pits'). To the right of a player's side pits is a

Get info from website using javascript, Get info from website using javascr...

Get info from website using javascript Project Description: I need to extract the text from all the available (red, blue) seats of all the events on this site without getting

Android, What is basic of android?

What is basic of android?

State the significance of public and private modifiers, State the significa...

State the significance of public, private, protected, default modifiers both singly and in combination and state the effect of package relationships on declared items qualified by

Explain what is fontmetrics in java, Explain what is FontMetrics in Java? ...

Explain what is FontMetrics in Java? No word wrapping is completed when you draw a string in an applet, even if you embed newlines in the string along with \n. If you expect th

Java and Arrays, AskWrite an application that uses an Array to store 10mess...

AskWrite an application that uses an Array to store 10messages of type String. You will store this Array with 10 messages of your choosing. For example, a message could be “I love

Develop a supply chain management, Develop a Supply Chain Management Pro...

Develop a Supply Chain Management Project Description: Supply Chain Management from HK and China Skills required is Java

What are the role of keywords in java, What are the role of Keywords in jav...

What are the role of Keywords in java? Keywords are identifiers such as public, static and class in which have a special meaning inside Java source code and outside of comments

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