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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.
Explain the library java.lang.Math ? The Java class library is huge. We will not cover it all presently. In fact, the remaining eight classes will focus mostly on the class lib
What is required to be done from my programming is : I enter name,day(saturady or sunday),time( 10AM and 10PM) My program must then vaildate name,day and time. Name must only a
What are Commonsense Guidelines to prevent viruses? Discuss about Antivirus as well. Commonsense Guidelines to avoid viruses are as follows: 1. Do not open attachment of unwant
Difference between URL instance and URL Connection instance? Ans) A URL instance shows the location of a resource, and a URL Connection instance shows a link for accessing or co
Need java programmer for an assignment "Prepare a program that will accept a sequence of file names as command-line arguments. These files will consist of ASCII text representin
? • ?read from a file a series of an infix algebraic expressions comprised of constant and variable operands (integers), operands (%, *, /, +, -) and parenthesis. Two slashes (//)
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
Model-View-Controller (MVC) is a design pattern put together to help control change. MVC decouples interface from business logic and data. ? Model: The model having the core of
programming challenges
short Java application that stores words in an Array or ArrayList.
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