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Question:
(a) What are the main differences between an object and a class? Illustrate with appropriate examples.
(b) Differentiate between a global variable and a local variable. You may use a simple Java program to illustrate your answer.
(c) What do you understand by the term ‘constructor' in Java? Explain your answer with an appropriate example.
(d) Declare and initialise an array of type float of size 5 to store the marks obtained by a student at his examinations. Initialise the array with the following values {65, 57, 75, 49, 88}.
Write the code fragments in Java to find:
(i) the average mark obtained by the student at the examinations. (ii) the highest mark obtained by the student. (iii) the lowest mark obtained.
Explain The different kinds of exceptions ? Checked Exceptions : Environmental error in which cannot necessarily be detected through testing; e.g. broken socket, disk full,
what is meant by thread
Write a brief note on each of the following. FTP Telnet Instant messaging VoIP FTP: File Transfer Protocol: This protocol is used to upload and download the
I need help setting up and fleshing out a basic outline/structure for a basic Java web app using an MVC pattern
Ask1. Storing the Array: Write 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 mes
How does a try statement determine which catch clause should be used to handle the exception?
Public class ConversionProgram { public void start() { String userChoice = askConversionCategory(); while (userChoice.equals("1") || userChoice.equals("2") || Page 2
Develop Billing Software Project Description: Need software to print bills on A4 paper in the format provided. The details are shown below - 1. Serially generated Invoice
JMS is the ideal high-performance messaging stage for intra business messaging, with full programmatic control over quality of service and delivery options. JavaMail gives lowes
Develop a Graphical Display Framework Project Description: The intent of this project is to prepare a web based graphical display framework that will display many data points
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