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

Student, short Java application that stores words in an Array or ArrayList....

short Java application that stores words in an Array or ArrayList.

Prepare a program that can solve ocr captcha, Prepare a Program that can so...

Prepare a Program that can solve OCR Captcha Project Description: I'm seeking someone to develop a program that can solve a php captcha. It should be a web service or scri

What is significance of jsf- spring integration, Spring - JSF integration i...

Spring - JSF integration is useful when an event handler wishes to explicitly invoke the bean factory to make beans on demand, such as a bean that encapsulates the business logic t

Describe overriding methods, Describe Overriding Methods ? Assume that...

Describe Overriding Methods ? Assume that one day you've just finished your Car class. It's been plugged into your traffic simulation that is chugging along merrily simulating

Describe the if statement in java, Describe the if statement in Java ? ...

Describe the if statement in Java ? All but the most trivial computer programs required to form decisions. They test a condition and operate in a different way based on the out

Write an aspect that counts different kinds of method calls, Problem statem...

Problem statement Part 1 Write an aspect that counts different kinds of method calls in a Java program. Your aspect should meet the following requirements:  The aspect should ma

Why do we call javascript an object-based language, Why do we call JavaScri...

Why do we call JavaScript an Object-based Language? In java language an JavaScript shares several similarities with object-oriented languages, and thus is known as an object-ba

Lookupdispatchaction and dispatchaction, What is difference among LookupDis...

What is difference among LookupDispatchAction and DispatchAction? Ans) The difference among LookupDispatchAction and DispatchAction is that the actual method that gets known in

When should i use abstract classes and interfaces, When should I use abstra...

When should I use abstract classes and when should I use interfaces?  Use Interface, when: Design changing often or when various implementations only share method sign

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