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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.
RMI uses a layered architecture; every of the layers could be increased or replaced without affecting the rest of the system. The details of layers can be summarised as follows:
J2EE prepares use of the JNDI interface to access different resources like JMS, JDBC, EJB etc. The client finds up for these resources through the JNDI look-up. The JNDI look like
Describe the relational operators in java? Java has six relational operators which compare two numbers and return a boolean value. The relational operators are , > , , >=
Find representative skyline points in to two dimensional data Project Description: Run skyline algorithm run representative skyline algorithm up to skyline algorithm (Affi
Normal 0 false false false EN-US X-NONE X-NONE
The DispatchAction class is used to group related actions into single class. Using this class, you can have a method for every logical action compared than a one executes method. T
This assignment is a good project for working with 2 dimensional arrays. In this program, you will implement an ascii version of the classic game "Connect 4". Connect 4 is a 2 p
Explain the term Event Handler? An event handler is a command that calls a function while an event happens, like as the user clicking a button.
A process is an execution of a code but a thread is a single execution sequence within the process. A process may contain multiple threads. A thread is sometimes named a lightweigh
Question Using 3 level of nested for loop, write a program that will produce the output as below.
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