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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.
Question: a) Authentication relies on standards and protocols that are used to confirm the identity of a user or object. Windows Server 2003 supports several types of network
how to Using polymorphism to write a program to display digital clock?
You are part of a team creating a system to keep track of computer science books that a publisher is producing. Create a UML class diagram for a "computer science book". You must h
Question 1 Describe any five buzz words in Java Question 2 Describe exception classes and also explain common exceptions in java Question 3 Describe primitive and
To load a text-file, read it line by line, and return the total number of alphanumeric tokens it contains and skip over the comments and double-quoted strings in the text-file whil
It helps to resolve naming conflicts when different packages have classes with the same names. This also helps you prepare files within your project. As define : java.io package
students application
Explain Overriding Methods: The Solution The object oriented solution to this problem is to describe a new class, call it SlowCar, that inherits from Car and imposes the additi
Point-To-Point (PTP). This model permits exchanging messages via queues formed for some purposes. A client can send and receive messages from one or various queues. PTP model is ea
Question 1: a) What is the meaning of an object-oriented programming? b) List eight simple types of data in Java c) Explain how objects and classes are closely related.
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