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

JAVA Programming, Im not in the line of computer science.But i would like t...

Im not in the line of computer science.But i would like to have some knowledge about the computer language "JAVA".I aldredy learns the computer languages "C,C++".So kindly help me

Describe even higer dimensions in java, Describe even higer dimensions in j...

Describe even higer dimensions in java? You don't have to stop along with two dimensional arrays. Java allows arrays of three, four or more dimensions. Therefore chances are pr

Nested For-Loop, I''m having trouble with creating a nested for loop to cre...

I''m having trouble with creating a nested for loop to create a table that displays every number divisible by two within the given value. For example, if the number is 8 then there

Java, Write a program called Power that displays the positive powers of 2. ...

Write a program called Power that displays the positive powers of 2. When the user enters the exponent at a prompt, the program displays 2 to that power. The program halts when the

Solve neural network questions, Solve Neural Network Questions Project D...

Solve Neural Network Questions Project Description: You must know  Binary Chop and Kohonen Network, Backpropagation Algorithm. Implementation is required. Can using existi

What are the parts of website design, What are the parts of website design?...

What are the parts of website design? Parts of web design: There are in 3 types of elements for web design and below are there names: 1. Navigation scheme 2. Overall look and

What is the function of network interface card, What is the function of Net...

What is the function of Network Interface Card? NIC is an I/O device which plugs within the computer and it enables it to communicate over a network.

Explain switch statement in java language, Explain switch statement in java...

Explain switch statement in java language? Switch statements are shorthands for a certain type of if statement. It is not common to see a stack of if statements all related

What is overloading explain with an example, What is Overloading explain wi...

What is Overloading explain with an example? Overloading is while the similar method or operator can be used on several different kinds of data. For example the + sign is used

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