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Write a regular expression to describe each of the following programming language constructs:
(a) Any sequence of tabs and white spaces
(b) Comments in a language the students are familiar with (For Ex. C programming language ).
(c) Algebraic expressions involving addition, subtraction, multiplication and division, for an alphabet Σ = {+,-,×,÷,id }. Here id stands for an identifier.
Write a main program that illustrates the work of your functions. E.g., if a[ ]={1,2,3,3,4,5} then 3 occurs 2 times and 7 occurs 0 times.
Write a recursive method to print all the permutations of a string.
write a main function to input 20 integers in the range of 1 to 6. write a function count the number of times the numbers 2 and 5 occur. the function should declare static variables count2 and count5. check the data validity in the main functi..
Write a program to open a file for reading that has twenty (20) rows and in each row there are three (3) columns.
Design, write, and test a program that represents some of the aspects of a student
Generate an object-oriented design for a system that keeps tracks of your CD and DVD collection. Identify each of the classes, associated data, and operations for the classes.
make 2-dimensional array a bit of life and bringing them from the abstract to the concrete realms
Dynamically allocate an array of menuItems based on the number of items input. Dynamically allocate a parallel array of integers that will store the quantity of that item in a customer order.
Write down the program which prompts the user to enter numbers, findsout how many positive and negative values have been entered, and calculates sum and average of numbers entered.
Write a method that accepts a String object as an argument and displays its contents backward. For instance, if the string argument is "gravity" the method should display - "ytivarg". Demonstrate the method in a program that asks the user to input..
create a graphical calculator with buttons that can add subtract multiply divide - sin cos tan clear and modulus.write
Describe the three levels of data abstraction? Define the "integrity rules". What is extension and intension?
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