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

Describe the java.lang package, Describe the java.lang package ? Each p...

Describe the java.lang package ? Each package describes a number of classes, exceptions, interfaces, and errors. For instance, in Java 1.1 the java.lang package holds these:

Decision tree algorithm, how to give dataset to a decision tree which is wr...

how to give dataset to a decision tree which is written by java using weka software?

What does a simple spring application contain, These applications are like ...

These applications are like any Java application. They are made up of not many classes, each performing a particular purpose within the application. But these classes are configure

How to finding an applets size, Finding an Applet's Size When running i...

Finding an Applet's Size When running inside a web browser the size of an applet is set through the height and width attributes and cannot be changed by the applet. Several app

What are logic- or time-bombs, What are Logic- or Time-Bombs ? It execu...

What are Logic- or Time-Bombs ? It execute the payload while predetermined event occurs. For instance use kind's particular phrase and particular data is reached.

Data types in javascript, A value, the data assigned to a variable, may con...

A value, the data assigned to a variable, may contain any sort of data. Though, JavaScript considers data to fall into many possible types. Based on the type of data, certain opera

Array method, frequently used java array method

frequently used java array method

Android app for evaluating of distance, Android app for evaluating of dista...

Android app for evaluating of distance Project Description: The request is to prepare an app for Android. The application needs to run on tablet (7 "or larger) and the layout

Explain choosing font faces and sizes in java awt packages, Explain Choosin...

Explain Choosing Font Faces and Sizes in java AWT packages? Choosing a font face is simple. First you create a new Font object. Then you call g.setFont(Font f). To instantiate

Program on object oriented technology, This assignment is intended to write...

This assignment is intended to write a simple program in Java and to use the concept of Object Oriented Technology. Open a project named "MyProject" in NetBean. Under this proje

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