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 is dynaactionform, A specialized subclass of ActionForm that permits t...

A specialized subclass of ActionForm that permits the creation of form beans with dynamic sets of properties (configured in configuration file), without requiring the developer to

What is actionform, An ActionForm is a JavaBean that extends org.apache.str...

An ActionForm is a JavaBean that extends org.apache.struts.action.ActionForm.  ActionForm handles the session state for web application and the ActionForm object is automatically p

Whatsapp bulk messenger to unlimited numbers, hi,i need whatsapp panel to s...

hi,i need whatsapp panel to send unlimitd message. skype : maya123.com email :

Illustrate object-to-relational mapping?, O/R mapping is well suited for re...

O/R mapping is well suited for read, change, write centric applications and not suited for write centric applications where data is seldom read. Although this was usually true of m

What is the jsf, JavaServer Faces(JSF) is a framework for building web-base...

JavaServer Faces(JSF) is a framework for building web-based user interface in Java. Unlike Swing, JSF provides widgets like buttons, hyperlinks, checkboxes, etc. in dissimilar ways

Waving two numbers into each other, I have to weave two positive integers t...

I have to weave two positive integers together. For example, if the numbers are 137 and 064, the output integer would be 103647. This has to be done using integer arithmetic (not s

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 is a proxy, A proxy is an object that is formed after applying advice ...

A proxy is an object that is formed after applying advice to a target object. When you think of client objects the target object and the proxy object are the similar.

Area of the curve, program t ofind area under the curve y=f(x) between x=a ...

program t ofind area under the curve y=f(x) between x=a and x=b integrate y=f(x) between the limits a and b

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