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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.
palindrome is starting that reads both the ends.using string covert into character
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What is heuristic? Heuristic is a procedure which commonly, but not always, works or that provides nearly the right answer.
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Create an online multiple-choice quiz using JSP/Servlets technology. The quiz should draw questions from an array of predefined questions (at least fifteen). You should use a meani
WHY WE USE JAVA PROGRAMMING LANGUAGE EXPLAIN IT
Describe, in general, how java garbage collector works?
The different types of actions in Struts are: ? DispatchAction ? LookupDispatchAction ? ForwardAction ? SwitchAction ? IncludeAction
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