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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 series of steps followed by an application is known its life cycle. A JSF application typically follows six steps in its life. 1. Restore view phase 2. Apply request valu
Each time an object is operated in Java, it goes into the area of memory named as heap. The Java heap is named the garbage collectable heap. The garbage collection may not be force
What is basic of android?
Is it possible to create any dialog window in Oracle in Java stored procedure?
Describe the Superclass in Inheritance ? In this example you start through defining a more common MotorVehicle class. public class MotorVehicle { private String licensePlat
write a program for loop
The problem statement is pretty simple. We need a software implementation of a Point of Sale terminal at a typical store. The users of the system are the cashiers sitting at the sa
Extend the given drawing program (the version that allows undo and redo) as follows: a) Allow the user to select font and font size; user should also be able to boldface, underl
Question 3 Using this line: var posneg : array [1..15] of integer; Write a program that calculates the number of negative and positive numbers in the array. Users will
In RPC the method invoker waits for the method to finish implementation and return the control back to the invoker. Therefore it is completely synchronous in nature. Whereas in JMS
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