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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.
Using Java, write the class Time which consists of the following: (a) three private integer data members (hours, minutes and seconds). (b) a constructor to initialise the dat
Explain the user defined Exceptions. User Defined Exceptions are the exceptions which are defined by user for specific purposed. This enables custom exceptions to be generated
Admin panel to upload my html, php, psd templates Project Description: -Upload my psd file and convert -Login panel -Client login panel -Encryption code -Send dem
Describe Logical Operators in Java ? The relational operators you've learned so far ( , >=, !=, ==) are enough while you only required to check one condition. Therefore what if
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Alia is appearing for the board exams. In order to qualify for the next class Alia need to get exactly X credits. In current semester Alia has to study N number of subjects, and ev
Can a class implementing a Remote interface have non remote processes? Ans) Yes. Those processes behave as normal java process operating within the JVM.
JavaServer Faces (JSF) framework : JavaServer Faces is a new framework for creating Web applications using Java. JSF gives you with the following main features: Basic us
How we Declaring Arrays in java language? Like all other variables in Java, an array must have a exact type such as byte, int, String or double. Just variables of the appropria
For this assignment you'll create some classes for modeling tickets for a city subway system. The type of system we are modeling has these main features: Stations are grouped in
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