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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.
Write a program that reads both the girl and boy files into memory using arrays. Then, allow the user to input a name. The program should search through both arrays. If there is
Write a Java ADB client to perform the following- The client will read the contents of the file - invoice.txt. The first line of the file will display the type of the currency. The
object
Sequence diagrams are communication diagrams which detail what messages are sent and when. The sequence diagrams are placed according to time. The time performs as you move from to
What are the role of Keywords in java? Keywords are identifiers such as public, static and class in which have a special meaning inside Java source code and outside of comments
I have been working on my compiler''s parser now. And for some reason i cant make my parse tree printer to work. SyntaxTree keeps on showing as null when i invoke the print() metho
I need help on java homework. Is it possible to know the shortest possible time to get the solution before giving my commitment
What is the difference between the Boolean & operator and the && operator? If an expression including the Boolean & operator is evaluated, both operands are evaluated. Then the
We want the best java programmer available. Project Description: Java | Portlets| JSF Liferay (not essential but is preferable) Big Data and User online tools. Multilin
Distributed / Network Oriented Java is network friendly -- both in its portable, threaded nature, and since common networking operations are built-in to the Java libraries.
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