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

MATLAB, Requested figure handle in use by another object, how do i fix this...

Requested figure handle in use by another object, how do i fix this?

Write html and javascript code which displays a textbox, Write HTML and Jav...

Write HTML and JavaScript code which displays a textbox and button on a web page? While user enters text in the text box and clicks the button it displays in that text in the m

HELP, Design and implement an application that reads a sequence of up to 25...

Design and implement an application that reads a sequence of up to 25 pairs of names and postal (ZIP) codes for individuals. Store the data in an object designed to store a first n

Want inventory selection function in opentaps erp, Required: Inventory Sele...

Required: Inventory Selection Function in Opentaps ERP We work on Opentaps ERP and Application development framework. Our requirement is to modify the Inventory selection functi

What is java bytecode, What is java Bytecode Java programs (Source code...

What is java Bytecode Java programs (Source code) are compiled into a form known as Java bytecodes. Java compiler reads Java language source (.java) files, translates source

Three ways in which a thread can enter the waiting state, What are three wa...

What are three ways in which a thread can enter the waiting state ?

Inheritance and interfaces to construct type hierarchies, Objectives 1. To...

Objectives 1. To help you become comfortable with using inheritance and interfaces to construct type hierarchies. 2. To familiarize you with programming from specifications. A

Create an embedded javascript function, Given the following XHTML page: ...

Given the following XHTML page:   Create an embedded JavaScript function named getUserInfo that prompts the user with the following two questions after the XHTML page has loa

Java input and output, what are all possible ways in java for user input an...

what are all possible ways in java for user input and output

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