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

Socket in java networking and rmi, What Is a Socket in Java Networking and ...

What Is a Socket in Java Networking and RMI? Ans) A socket is one end-point of a two-way communication link among two programs running on the network. A socket is bound to a por

Need simple desktop software, Need Simple Desktop Software I am seeking ...

Need Simple Desktop Software I am seeking a software that can do the subsequent: 1. Check position for a URL in Google, Yahoo, Bing. 2. Check position for a YouTube video

Array method, frequently used java array method

frequently used java array method

Exportobject of unicastremoteobject do, What does the exportObject of Unica...

What does the exportObject of UnicastRemoteObject do? Ans) Exports the remote object to make it available to receive incoming calls, using the certain supplied port. If port not

Logical operators, Logical Operators Operator ...

Logical Operators Operator Functionality E x ample/ Explanation     && Looks at 2 expressions & returns a

Write html and javascript code for the needs, Write HTML and JavaScript cod...

Write HTML and JavaScript code for the needs shown in the diagram below? When ConvertoUpperCase button is pressed then the entered text is converted to upper case and result is

How many modules are there in spring, Spring comprises of seven modules. Th...

Spring comprises of seven modules. They are.. a) The core container b) Spring context c) Spring AOP d) Spring DAO e) Spring ORM f)  Spring Web module g)  Sprin

Determine the types of object oriented programme, Determine the types of ob...

Determine the types of object oriented programme Classes - Prototypes for objects - Definition or a blueprint of a user-defined datatype - Think of it as a ma

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