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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.
What does the " abstract " keyword mean in front of a method and a class ?
A final class will not be extended i.e. A final method cannot be overridden when its class is added. You can't modify value of a final variable.
The JMS provider handles security of the messages, data conversion and the client triggering. The JMS provider verifies the level of encryption and the security level of the messag
Explain about Drawing Lines? Drawing straight lines along with Java is easy. Just call g.drawLine(x1, y1, x2, y2) where (x1, y1) and (x2, y2) are the endpoints of your lines
I just finished a small tutorial on JSP and servlet now I was looking for some assignments so that I can try my hands on
Write the hashCode() method of java.lang.Object Anytime you override equals() you should also override hashCode(). The hashCode() method should ideally return the similar int f
What restrictions are placed on method overriding? Overridden methods must have the similar name, argument list, and return type. The overriding method may not limit the access
Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec
#include float start_point, /* GLOBAL VARIABLES */ end_point, total_area; int numtraps; main( ) { void input( void );
Fill in the necessary parts to create a GUI that uses the CardDeck class. In your GUI you should have a text field for each hand, two buttons and a text area. Your program s
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