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 kinds of computer network among nodes, What are the kinds of c...

What are the kinds of computer network according to the distance among nodes? the kinds of computer network according to the distance among nodes are as follows: There are t

Java., the textbok is Introduction to Java™ Programming, Brief Version, Eig...

the textbok is Introduction to Java™ Programming, Brief Version, Eighth Edition Week 8 Exercises Chapter 8 Programming Exercises from Pages 295 - 299. Do Exercise Problems 2,

Give an example of class or static members, Give an example of Class or sta...

Give an example of Class or static Members? Below is a Car class along with such a speedLimit field and getSpeedLimit() method. public class Car { private String licensePla

Function and array in java script, Specifications 1. readNumberOfEntri...

Specifications 1. readNumberOfEntries → This function will ask the user for a value greater than or equal to two. The function will keep asking values as long as the user prov

Encapsulation, Defines to keeping all the related members together in an ob...

Defines to keeping all the related members together in an object. Specifying member variables as private may hide the methods and variables. Objects should hide their inner working

What is best algorithm, What is best algorithm? Greedy algorithm is the...

What is best algorithm? Greedy algorithm is the best algorithm as it is n algorithm in which always takes the best immediate, or local solution although searching an answer.

What is testing for equality in java, What is Testing for Equality in java?...

What is Testing for Equality in java? Testing for equality is a little trickier. You would expect to test if two numbers are equal through using the = sign. However the = sign

Explain exception classes, OOPS with Java 1. Explain any five buzz word...

OOPS with Java 1. Explain any five buzz words in Java. 2. Explain exception classes and also explain common exceptions in java. 3. Explain primitive and abstract data typ

For what purposes ftp is used in networks, For what purposes FTP is used in...

For what purposes FTP is used in networks? FTP is known as file transfer protocol it is basically used to download or upload files / data to a remote computer.

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