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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.
Write a Java class that generates a random integer (between 1 and 250). Call the class GenKeys. GenKeys should have a least one method that returns the integer random number. Gen K
write a program to find the minimum no of colors to fill a board where some of the elements of different color are already placed.
Hey, i have a project on java can you help me
This assignment models a simplified delivery company. It is composed of the following departments: receiving which contains a list of packages to be delivered, shipping which ship
eAgro Portal Project: Technology Used: Java Server Faces, JSR 168 Specification, Websphere Portal Server5.0, DB2 database And Rational Application Developer, Jasper Report Too
I want to upload an item object with it''s image is it possible that i pass a complete object of my Item along with it''s image from my Controller if yes then how may i Do it? an
Notice that each row now has the type of customer and the additional data needed. calculateBill remains the same in Customer. However, the calculateBill in Corporate will add a
On the surface, an application context is similar as a bean factory. But application context offers much more.. ? Application contexts give a means for resolving text messages,
i) Set the number of data points to 20 and the number of clusters to 2. Check box Show History. Click on Initialize. Click on Start. Click on Step . Observe which points ch
An ActionForm is a JavaBean that extends org.apache.struts.action.ActionForm. ActionForm handles the session state for web application and the ActionForm object is automatically p
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