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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.
Object-to-Relational (O/R) mapping : There are various ways to persist data and the persistence layer is one of the most important layers in any application development. O/R ma
Question: (a) The following is a simple example of a Java Class: // File: Welcome.java public class Welcome { public static void main(String args[]) { System.out.printl
A mechanism for converting among string-based markup generated by JavaServer Faces UI components and server-side Java objects.
PS1 emulator for android There is an open source app known as psx4droid i want a developer to solve problems and bugs and doing performance improvement to source code to running
AskWrite an application that uses an Array to store 10messages of type String. You will store this Array with 10 messages of your choosing. For example, a message could be “I love
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A pointcut is something that describes at what joinpoints an advice should be applied. Advices can be applied at any joinpoint that is supported by the AOP framework. These Pointcu
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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
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