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

List the java class library, list The Java Class Library? Java holds an...

list The Java Class Library? Java holds an extensive library of pre-written classes you can use in your programs. These classes are separated into groups known as packages. Th

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

Answer, a program to find the area under curve y=f(x) between x=a and x=b,i...

a program to find the area under curve y=f(x) between x=a and x=b,integrate y=f(x) between the limits of a and b

Taking in command line arguments, Taking in Command Line Arguments In J...

Taking in Command Line Arguments In Java, the program can be written to accept command-line-arguments. Example Code:  command-line arguments /*  This

What is image processing, What is image processing? It field of compute...

What is image processing? It field of computer whereas we enhance and manipulate the graphics. Like it is used to recover old photograph and through processing we can revive

Develop a simple polling web application , Develop a simple polling (voting...

Develop a simple polling (voting) web application according to the following specifications: 1. Initially a page should be presented to the user where he can enter his/her

Railway reservation, what java stream is used for designing railway reserva...

what java stream is used for designing railway reservation form?

Development build to production server tomcat, Move development build to pr...

Move development build to production server tomcat Project Description: Move our development build and integrate with MYSQL database, to our production vps. The software i

What is jsp page, A JSP page is a text-based document that having two types...

A JSP page is a text-based document that having two types of text: static template data, which can be expressed in any text-based format like HTML, SVG, WML, and XML, and JSP eleme

Confidentiality and privacy - security, The confidentiality and privacy may...

The confidentiality and privacy may be accomplished through encryption. Encryption may be: Private-key or symmetric: This is based on a single key. This needs the sender and the

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