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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.
I have a very simple app that I have developed and is in the AppStore. I need the app to be developed for Android as it is presently in Objective C only. All plist html/ lists s
What are the different points where weaving can be applied? Ans) There are three points ? Compile Time ? Classload Time ? Runtime
Why are JSP pages the preferred API for creating a web-based client program? Because no plug-ins or security policy files are required on the client systems (applet does). Also,
Question : (a) Explain the concept of polymorphism when used in programs using suitable examples of your own. (b) (i) Distinguish between abstract methods and non-abstrac
What is output of the following JavaScript code? Str="Virtual University of Pakistan"; document.write(str.substring(5,str.length)) ;
Differentiate between SMTP and POP3 server? SMTP (Simple Mail Transfer Protocol) is a protocol used to send and receive eMail messages over a TCP/IP network. While POP3 (Post
The AOP module is used for developing aspects for our Spring-enabled application. Much of the support has been given by the AOP Alliance in order to ensure the interoperability amo
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Determine Why java is robust Java is very robust o Both, vs. unintentional errors and vs. malicious code such as viruses. o Java has slightly worse performance as
Write a java program that computes the scores of 10 students in the following units; 1.Java 2.PHP 3.Python 4.C++ 5.Perl Generate a transcript.
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