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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.
THE FOLLOWING PROGRAM SHOULD BE JAVA IN ECLIPSE Minimal Spanning Tree Decreasing Edge Dismissal Reverse-delete algorithm. Develop an implementation that computes the MST as fol
Describe the java.lang package ? Each package describes a number of classes, exceptions, interfaces, and errors. For instance, in Java 1.1 the java.lang package holds these:
What is the difference among session scope and request scope when saving formbean? Ans) When the scope is request, the values of formbean would be there for the current request.
Explain Testing Objects for Equality in java? , = can only be used with numbers and characters. They cannot be used with Strings, booleans, arrays or other compound types sin
What are wrapper classes? Java gives specialized classes corresponding to every of the primitive data types. These are known as wrapper classes. They are example: Integer, C
What does the " abstract " keyword mean in front of a method and a class ?
what is the use of design pattern in java ?
YES. JSP technology is extensible by the development of custom actions, or tags, which are encapsulated in tag libraries. #question..
Task 1 Create a new project in Eclipse called Assignment 1. Within this project create a package called task01. 1/ Download the class Date (you must use this class - no
What are the different messaging paradigms JMS supports? Ans) Publish and Subscribe i.e. pub/suc and Point to Point i.e. p2p.
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