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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.
What are synchronized methods and synchronized statements? Synchronized methods are methods that are used to control access to an object. A thread only implements a synchronize
Implement a program that can compute your taxes (assume year 2012, as- sume a form 1040EZ). The form should ask for your ling status (single, married), income, deductions and cred
1. Which of the following are not valid Java identifiers, and why? (a) wolVes (b) United(there is only one) (c) 87 (d) 5 3 (e) Real ale (f) isFound?by 2. A cla
1) Listing of the source code ( named Rainfall.java ) for your program 2) Two sample output/execution/runs of your program Optional Group Work: This assignment may be done in
You are required to design & implement online food delivery system using Java RMI technology. This involves writing both the server and the client program(s). Client programs can u
What are the difference between throw and throws? Differences are between throws and throw are: Throw is employed to trigger an exception while throws is used in declara
How you Returning Values From Methods in java ? It's frequent meaningful to have a method return a value to the class which is known as it. This is accomplished through the ret
I''ve been trying to get this java program to work but im lost and Im stuck ! The factorial of a positive integer N, denoted by N! N!=1*2*...*N Using subprograms and f unctions,c
A joinpoint is a point in the implementation of the application where an aspect can be plugged in. This point could be a method being called, an exception being thrown, or even a f
Project Description: I want to create similar site: fifacointrader I want similar site like fifacointrader.com Skills required are HTML, Java, PHP, Website Design, Wordpre
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