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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 function that draws a cow at a certain location on the screen, and use the function to draw a herd of cows
RMI- Remote Method Invocation.
What do you mean through FTP or File Transfer Protocol? FTP: File transfer protocol was first introduced in the year of 1973; it standardized the transfer of files among comp
Asynchronous control
Implement a program to query and update the text database for a library using a client/server model allowing multiple clients safe access to the database, and using a producer-cons
Determine the types of object oriented programme Classes - Prototypes for objects - Definition or a blueprint of a user-defined datatype - Think of it as a ma
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.
in java string is a
Create a thread in either a C or a Java program and run it. The thread should read a keyboard value "x" and exit from the code, or it can also use an "ESC" to exit. That is, the t
An online music store offers all songs for 3$ each. The store requires members to prepay any amount of money they wish, and then download as many songs accordingly. You are require
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