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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 is an Iterator? Some of the collection classes give traversal of their contents via a java.util.Iterator interface. This interface permits you to walk through a collection
Is data has weight and prove it.
What is File Transfer Protocol? This protocol is used to upload the files on remote computers. This is used to transfer files among computer on TCP/IP network e.g. internet and
When wiring beans, if a bean element is embedded to a property tag directly, then that bean is said to the Inner Bean. The disadvantage of this bean is that it cannot be reused any
Default port used by RMI Registry is 1099
We need a Java Developer a) Having 4.6 years of I.T experience Java, J2EE, spring, Hibernate, JSF, Swings. b) Analyze, identifying and understanding the client requirements a
I need 3D Globe (Android) application Project Description: Seeking a talented android programmer to prepare a simple app for Android tablet display which can feature a 3D glo
Application using Swing API
Development of an Android app urgent Project Description: I am searching for some good android developer who has depth in knowledge of making an app. I am focusing on a certa
What is JavaServer Faces event and listener model? Ans) A mechanism for verifying how events emitted by JavaServer Faces UI components are handled. This model is based on the Ja
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