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Programming Questions and Answers August 09, 2018

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Please help me with the following code.. Sample Output #1: 1. 2. Enter the length: 2 3. Invalid list length, try again. 4. 5. Enter the length: 0 6. Invalid list length, try again. 7. B. Enter the length: 5 9. The list contains 5 entries. 10. 12. Enter the entry at index 0: 4 13. Enter the entry at index 1: 5 14. Enter the entry at index 2: -1 15.
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Part B. Nested If Statements. Work to be handed in for grading. 1- -_ I > If the input is 30, your program should output: 30 is divisible by both 5 and 6. > If the input is 10, your program should output: 10 is divisible by 5 but not 6. > If the input is 12, your program should output: 12 is divisible by 6 but not 5. > If the input is 23, your
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English Dictionaries: C++ program that build and maintain a data structure to efficiently locate, insert, and delete a record from English dictionary. Implement dictionary using single sorted linked list.

This program must be done in the 'ready to program' java ide without scanner class, please do not submit a program done in another ide, because my professor uses 'ready to program' and it doesn't support newer methods like scanner. Ready to program ide: https://ready-to-program-with-java.software.informer.com/1.7/ DO NOT SUBMIT AN ANSWER WHICH

how to implement above fuzzy level controller in python Fuzzy Logic Level Control of a Cylindrical Water Tank Consider a cylindrical water tank, Water enters the tank from the top at a rate proportional to the voltage, V, applied to the pump. The water leaves through an opening in the tank base at a rate that is proportional to the square root of
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Decipher the following messages which in English that have been encrypted. Describe in not more than two or three sentences on the method used for deciphering. i) RKZ'Y NGBK YUSK LAT COZN IOVNKXY ii) POWTCDQR KSIK SIGD AODIKDO KSIF PWCVFWQJIC KJQD ICAWOJKSQ IOD JFKOINKITCD. iii) VOKAIKAGGRSSFJRIQEVVKMUBJCWWYFGNWVFMCMXDLLTTGZB iv) IRTLLRHCBSU

Lab 8 (struct) Breakfast Billing System Write a program to help a local restaurant automate its breakfast billing system. The program should do the following: Show the customer the different breakfast items offered by the restaurant. Allow the customer to select more than one item from the menu. Calculate and print the bill Assume that the

5.34 (Recursive Exponentialion) Write a recursive function power (base, exponent) that when invoked returns baseexponent For example, power (3, 4) = 3 * 3 * 3 * 3. Assume that exponent is an integer greater than or equal to 1. Hint: The recursion step would use the relationship baseexponent = base * baseexponent-1 and the terminating condition
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Write basic turtle code.For example you are given the turtle set up code, write the code to make the turtle go up by 50 turn left, and go straight by 150.

This program explores the use of decision structures. The new program should take into account overtime, and output the following regular hours overtime hours regular pay overtime pay gross or total pay tax withheld at rate of 12.5% other deductions at rate of 5% of the the total pay over $500.00 net pay Write a program that asks for the number of
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class HarvesterAnt(Ant): """HarvesterAnt produces 1 additional food per turn for the colony.""" name = 'Harvester' implemented = True # OVERRIDE CLASS ATTRIBUTES HERE def action(self, colony): """Produce 1 additional food for the COLONY. colony -- The AntColony, used to access game state information. """ # BEGIN Problem 1 "*** YOUR CODE HERE ***"

I need help with my code. I need my program to character count and then terminate when the user enters "quit." My character counter counts all the a, e, s, and t in my code and blank space. It runs good with no errors But for some reason I have an infinite loop and need help to make my while loop false so it terminates my code and doesn't

discuss the etiology prevslence and disease process discuss the 7 components of priority ptient care in contigious disease management model and what these components are meant for how have they been to aly them in your area of work are they of use why or why not discuss on the strategies used in community mobilization on prevention control of

How is it possible to achieve the following requirements in Arduino C language program Write a program to respond as indicated below to the correct buttons pushed: (a) Initially, 3 LEDs - red, blue, and green - are on, without ashing. (b) If button 1 is pressed, the red LED ashes 3 times a second. The other LEDs turn off. (c) If button 2 is
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Proper analysis during the Analysis Phase of a program could have a major impact on the success of a program endeavor. Analysis provides key information to stakeholder that helps the understanding of the "big picture" in respect to the software itself and the environment it will function in. Analysis also provides guidance concerning

Write a program to give an opinion survey to several users, and print the average results when all users have completed it. Requirements: Each question has 1 of 5 possible answers: "Strongly Agree," "Agree," "Neither Agree Nor Disagree," "Disagree," "Strongly Disagree" A survey consists of 3 questions. Make up your own questions. Any number of

What needs to go into the blank for the enhanced for loop to output: 5 * 3 = 15 10 * 3 = 30 15 * 3 = 45 int[] numbers = {5, 10, 15}; for(int number : numbers) { System.out.println(number + " * 3 = " + _________); } a.) number * 3 b.) numbers * 5 c.) numbers[number] * 3 d.) number * 5

Assessment item 2: -Forest Drawing Value: 15% Due Date: 03-may-2020 Return Date:25-may-2020 Submission method options: Alternative submission method TASK back to top In this assignment you will use turtle graphics to create an interactive forest drawing application. Start by creating a module 'utilities.py' which should contain four drawing

Imagine that you have just left a store with a bag of groceries. You are concerned that the fragile items will not survive the trip home, so when you reach your car, you place those items into their own bag. If Bag is a class of bags, write C++ statements that remove all the items from store Bag and place them into one of two new bags, as follows:

Declare two integer arrays, A and B, of size 5. Take user input for both arrays and determine whether the two arrays are identical or not. Two arrays are identical if both contain same values at same indices. Print "Identical" or "Not identical" based on your finding. Read 10 integers from the user and store them in an array. Take another integer

Add the ability to save data to disk in one or more files. The menu(s) should give the user the option to save or retrieve data. Examples: In the programming tutorial, add a tutorial on working with files. Then add the ability to save/retrieve user information or quiz results. I need help with this course project. It must be done using C++. I am
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Need help with this binary tree question. Provide an explanation with your answer. Question 14 (2 points) Which binary tree is the result of inserting 10, 8, 11, 12. 2 in that order into an empty binary minimum heap O O
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Im new to java and I have a simple assignement that needs to be solve and I dont know how to approach this. Using NetBeans, create class named: TheTree. The program should output the following lines on the screen: I think that I shall never see, a poem as lovely as a tree. A tree whose hungry mouth is pressed Against the Earth's sweet flowing

only answer HW7 Q1, HW7 Q2, HW7 Q3 ***PLEASE DO NOT COPY FROM OTHER EXTERNAL SITES I ASKED THE QUESTION HERE BECAUSE THEY WERE WRONG,ITS EASY TO FIND BY A GOOGLE SEARCH SO PLEASE DO NOT COPY AND PASTE*** You will be completing a program that creates a list of employees. In HW7, the lowest linked list 'supervisors' does not come into the picture
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Existing data collection interface: public interface DataCollection { public void insert(E oneThing); public int size(); public String toString(); public E find(String key); public int countOccurrences(boolean lookFor); public boolean contains(E oneThing); public int total(); public double average(); public int countRange(int low, int high); }

Write python program that reads in numbers separated by a space in one line and displays distinct numbers (i.e., if a number appears multiple times, it is displayed only once). (Hint: Read all the numbers and store them in list 1. Create a new list list 2. Add a number in list 1 to list 2. If the number is already in the list, ignore it.) Ex:Enter

Use an image, dogs.jpeg and implement k-means clustering for image segmentation and identify dominant color in the image. Objective: Use k-means clustering for image segmentation and to identify dominant color in the image. Question: 1.Open and display the image "dog.jpeg". Convert the image in to numpy array, so that i can be used in further

Consider the file manywords.txt. What is the most common word length (ignoring the punctuation of the first and last character of each group of characters

TheRoomclass: Your first task will be to create a PythonclasscalledRoom. This class must contain at least the two following methods: __init__().In addition toself, it takes seven arguments: name, a string representing the name of the room. north, a string representing the name of the room you would reach if you went north from this room. east, a

Write a Java program using JavaFX that displays nine playing cards. In the first row display three playing cards (randomly selected from the first 52 cards). In the second row, display three Joker Cards (can be same) with 45 degree, 90 degree and 135 degree angles respectively. In the third row display threeany Card (must be different themselves)

Topic
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Can you please help me with the statement on the image labeled HW1Q2? I have not used Python before and the question is asking for a Python code. I have included the notes we have for this stuff, but can't seem to get it working in Python. All the information I have for this is in the pictures below, so there is no missing information.
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Give examples showing how "super" and "this" are useful with inheritance in Java. Include examples of using "super" and "this" both as constructors and as variables.

Unit 7 Programming Assignment assignment again modify your Quiz program from the previous assignment. You will replace the text based dialog boxes with button-based dialog boxes specialized for multiple- choice and true-false questions. This assignment uses many classes and methods described in Chapter 6 of Eck (2019), and the instructions below

two programs in C++ to process sequences of values in two ways: 1) implementing it through a linked list, using dynamic data structures, 2) using STL::list. In both implementations, a specific function to process values should be created and presented in action (showing both initial and resulting values). In the case of a linked list, also

Hello C++ programming Everything is in the link in comment

How do I I finish the program based on the pseudocode that uploads a test file that has random characters on it, loads this into an array, reorders the array based upon ASCII value order and prints the original order and new order to console output // -- Libraries & Directives -- #include // Needed for normal cin & cout #include // Needed to read

Make an indentation for this code import csv student_grades = [] # First open up your file containing the raw student grades with open("studentGradeFrom.csv", "r") as file: # Setup your reader with whatever your settings actually are csv_file = csv.DictReader(file, delimiter=",", quotechar='"') # Cycle through each row of the csv file for row in

courses/626bec08bd2b4163ae75f7e2/assignments/7f472fb7-4fde-43a0-8e77-5e9782e15af3/pages/ Question 5 of 5 -- of 5 points Chapter 3: Programming Project 5 Unlimited tries The description of this project is given in Programming Exercise 3.19 in the Chapter 3 Programming Exercise from the Book section. For a hint on this program, please see
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can you please help me with this question

Please make a perl script, searchtwo.pl , that will search a given data file for a given pattern. Both the search pattern and the search file name should be obtained from the prompted inputs as the examples shown below (Lab 9 questions 4 and 5): $ ./searchtwo.pl Enter a data file name: /etc/services Enter a search pattern: pop $ ./searchtwo.pl

Please answer each Given a string, find the rank of the string amongst its permutations sorted lexicographically. Assume that no characters are repeated. Example : Input : 'acb' Output : 2 The order permutations with letters 'a', 'c', and 'b' : abc acb bac bca cab cba The answer might not fit in an integer, so return your answer % 1000003 Code

Need help coding this: A C++ program that displays a mad lib for the user. A program that performs the following: Prompt the user for at least ten values for a mad lib. They can be vague or specific. Examples: an adjective (describing word) a plural noun (person, place, thing) a person a food a baseball team The user data must be stored in an
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program that asks the user to enter multiple lines of a poem. The user can exit by using the escape sequence (Ctrl+D) .

import java.util.NoSuchElementException; class Node { int value; Node next; public Node(int value, Node next) { this.value = value; this.next = next; } } public class LinkedList { Node root; public LinkedList() { this.root = null; } public void append(int value) { if(this.root == null) { this.root = new Node(value, null); return; } Node n =

Lab 9: Sets in the Java Collection Framework For this week's lab, you will use two of the classes in the Java Collection Framework: HashSet and TreeSet . You will use these classes to implement a spell checker. Set Methods you need to use some of the methods that are defined in the Set interface. Recall that if set is a Set, then the following

Yet Another Array Problem! On the occasion of Independence Day, Punjab Engineering College decides to conduct a Flag Hoisting Ceremony and decides to give Flag Hoisting opportunity to one of the students. So, they decide to give students an interesting array problem and the student which comes up with the best solution fastest gets the golden

I need help building a rock paper scissors app using python code. Thank you 15. Rock, Paper, Scissors If you are tired of having no playmate, then a 5-minute stint of rock, paper, scissors with the computer and designed by you, yourself will improve your mood. We again use the random function here. You make a move first and then the program makes
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Explain what we mean when we say strings are not mutable. Give an example.

needs to be simple and needs to consider the requirement listed on the bottom on the question Problem: Write a program that allows the user to enter the marks of 5 students in 4 courses, Output the highest average marks for students and courses. For example: Student 1 (courses 1-4): 50 60 70 60 Student 2 (courses 1-4): 100 90 87 90 Student 3
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Need help with the following 4 python questions, please provide Python code along with the answer if applicable. Question 20 (4 points) Which of the following are true for objects of Python's "list'l type? Note: This is a HultiSelect question: Choose all that apply. HH The index method can be used to return the position of a given element lJ f'\\
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1 2- def factorial(n): if n
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Hello, please help me with my data structure HW using C++ programming language. Please kindly follow the instruction, and do not use the library bits/stdc++.h, conio.h and limit.h . Thanks a lot! Word Review Description Kyaru has just finished her argumentative essay, the most significant part of the course work of GE1401 University English. In
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Shipping Industries needs a program that allows its shipping staff to enter an item's name, the quantity of the item in inventory and how many units of the item can be packed in a box for shipping. The program should display the item's name, the number of full boxes that can be packed from the quantity on hand and the quantity of items left over.

Hello, I need help solving this Lab simulation, It uses Get user guesses for Lists and Dictionary statements and I am very new at python on so I need help solving it. It is very difficult. It is very confusing since the there are multiple inputs and can only code one input in the simulation. a loop to populate user_guesses with num_guesses

problems 3-7 and 9 (4 parts) from your book (pp 234-235). The book is Introduction to Programming Languages: Programming in C, C++, Scheme, Prolog, C#, and SOA, fifth edition, by Yinong Chen. What are the main differences between the imperative paradigm and the object-oriented paradigm? What is the purpose of a scope resolution operator? What is
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A program is required to request and accept the marks for four subjects, then compute and display the total marks, the average and the grade. The grade is computed in the following manner:70-100 = A60-69 = B50-59 = C40-49 = D0-39 = F Required: flowchart to design the solution. Write C code to implement this solution.

Write a statement that will display your name. Write a statement that will display: As reported in the news media Hurricane Doriancausednumerous destruction in many places, particularly in the Bahamas Write a statementthat will display: John's last name is Williams Write a statement that will treat the following as comments in a program. This

Write some function that reverses its string argument.

in c++. I need a program that validates the check sum of an 18 digit number using modulo 11. The final character, C, is a checksum value over the first 17 digits. To calculate the checksum, each digit in order is multiplied by a weight in the ordered set [7 9 10 5 8 4 2 1 6 3 7 9 10 5 8 4 2] and summed together. The sum modulus 11 is used as an

1.Define the JDK , JRE , JVM and JIT concepts and its purpose ? 2.Why Java is called platform independent language ? (Need Detailed Answers because i am totally confused in it ) Note: JDK stands for " Java Development Kit " JRE stands for " Java Runtime Environment " JVM stands for " Java Virtual Machine " JIT stands for " Just in time "

How is a program written as a pay-raise program that the request a persons first name last name and current annual salary and then displays the persons salary for next year? People earning less than $40,000 will receive a 5% raise, and those earning $40,000 or more will receive a raise of $2,000 plus 2% of the amount over $40,000. Using functions

Programming Language: Java Do not code a whole program in main or after main in a modular programming format. Must write in "class" structure. *Don't forget to comment your program. Code a spell checker "class" utilizing class structure in objected oriented programming that stores a set of words, W, in a hash table and implements a function,

test: ROUND = \ [('round', (0.22), 0), ('round', (-0.22), 0), ('round', (0.5), 0), ('round', (5.844, 1), 5.8), ('round', (5.848, 2), 5.85), ('round', (3.55, 1), 3.6), ('round', (3.45, 1), 3.4)] round() Write a function round (number [, ndigits]) that models the behavior of the built-in function. Input: a float number, and an optional argument, a
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Huffman Coding can you give me a code that can count how many characters is repeated in the text inputted. Sample is like this: Inputted Text: HAAHAABAAACACAAAABABABEBEBBAABEEBBCCCCCAAAAAAACCCDDDDDDAAADDDDDEEEEEEDDADDDADDEEEEEEEECCCEEEEEEEEEEDDEEEEEEEEEEBBEEEEEFFGGHAHHEEHHA Output is: Character Number of occurrence of the character in the text A

I need assistance on this. Summary In this lab, you create a programmer-defined class and then use it in a Python program. The program should create two Rectangle objects and find their area and perimeter. Instructions Open the class file named Rectangle.py In the Rectangle class, create two attributes namedlengthandwidth. Write a

I have an assignment I am working on for Python 3 Programming class that I am almost to the finish line but need a little help with suggestions or tips to clean the code up and shorten the length of code. Here are the assignment instructions and I have attached the pics of my Komodo editor showing the code I have so far. It will output what we're

Make a program that simulates a lottery. The program should have an array of six integers named lottery numbers and generate a random number in the range of 1 through 5 for each element in the array. The user should enter six digits stored in an integer (1 through 5) array named user. The program is to compare the corresponding elements in the two
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10.06 Question 1(Multiple Choice Worth 5 points) Consider the following method. What is the value of mystery (2) ? public static void mystery (int n) if (n >= 10) System. out .print (n t " "j. else mystery (n + 2) ; 02 0 10 024 6 8 10 10 8 6 4 2Question 2(Multiple Choice Worth 5 points) Consider the following method. What is the value of recur (
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4. Write a script WorkerApp with the following functions: . read file () : Takes a filename as a parameter. Assume each line of the file contains the id, name, hourly wage, hours and type of worker(PT) for Part-time workers or id, name, gross salary, foreign language status ('Y', y' or 'N','n'), type of worker(FT) for Full-time workers. The (net)
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Java GUI (Calculator) Program Create a program for Integral Calculator Indicate "Integral Calculator\" on the title bar. The result of value is always empty. The program will ask the user to enter a function and the "=\" or enter key will display the result that always have "+ C\" at the end (see sample output below). The "DEL\" will act as a
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Using the linked list supplemental program-(PT2), implement the Stack operations through inheritance: Doubly Linked List -push -pop -MakeEmpty -top -IsEmpty() P.S. Applicable in GUI, JAVA SOURCE CODE

this is my code: import matplotlib.pyplot as plt import numpy as np import pandas as pd from sklearn.datasets import load_breast_cancer cancer=load_breast_cancer() cancer.keys() df=pd.DataFrame(cancer['data'],columns=cancer['feature_names']) df.head(5) from sklearn.preprocessing import StandardScaler scaler=StandardScaler() scaler.fit(df)

We have asked to use the default Java implementation of stack( ArrayDeque ) to write a method that takes an array as input and returns a reversed version of the same array. For example, if the input array is an integer array [1,2,3,4,5,6] the returned array should be [6,5,4,3,2,1]

How to write one (only one) common function to get total hours for shop1 and shop2 open in a week? shop1: "hours":{"Monday":"10:0-22:0","Tuesday":"10:0-22:0","Wednesday":"10:0-22:0","Thursday":"10:0-22:0","Friday":"10:0-22:0","Saturday":"10:0-22:0","Sunday":"10:0-22:0"}} shop2:

Complete the Card Game project from this Unit's lecture. You need to complete those portions listed below and may complete them in this recommended order: GroupOfCardsclass: addCard(): add to high end of deck i.e. append removeCard(int index) Deckclass: dealCard(): a card from high end of the deck (the card with index getCurrentSize()-1)

.Assumingxis15.0andyis25.0 , what are the values of the followingconditions? x != y x < x x >= y - x x == y + x - y

Hide Assignment Information Instructions Upload your algorithm and source code. COP 1000C Course Project Math Tutor Program Project Description: You will be creating a math tutor program that can be used for young children to practice their math skills.The program will be driven by the following menu: See Rules Practice Math Exit If the user

Using Python, Display the examination schedule (i.e., the starting and the ending day) of this term.

1.a C++ program to find the largest element of a given array of integers. 2.a C++ program to find the largest three elements in an array. 3.a C++ program to find second largest element in an given array of integers. 4.a C++ program to find k largest elements in a given array of integers. 5.a C++ program to find the smallest and second smallest

3. Implement 3.1 Programming environment You will write code with any programming language you feel comfortable. KOIIE: You should (1) use ICP Sockets in your peer connection implementation; (2] handle multiple socket connections; (3) integrate both clientside and serverside code into one program and run on each peer 3.2 Running your program Your
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client.py from socket import * from bitstring import* import time # function to initiate the file transfer along with acknowledgments and packet loss def Make_Packet(buf): seq = 1 # reading file packets from the directory data = f.read (buf) while (data) : # sending packets to the specified address if (s.sendto (data , addr)) : print ("Packet
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Plz I need the answers of these questions Which of the following statements are true about immutable Classes? (Select all that apply): (a) they can only be instantiated once. (b) they offer no public constructors. (c) just about all core Java wrapper Classes are immutable. (d) their instances cannot be updated through instances methods. (e) their

#include using namespace std; int main() { double area; int length; int width; // Can you compose a void function to print out to console this welcome message? cout < < "Welcome to my fabulous rectangle area calculator!" < < endl < < "This program will take the length and width of a rectangle, and" < < endl < < "return the area of that rectangle!"

Need help' 1. Using your answer from #2, complete the following chart on carbon. (Spts) Atomic Number Atomic Mass Number of valence electrons Maximum number of bonds it can form with other atoms Type of bond carbon forms with other molecules 2. Using the model below, complete the electron conguration of a carbon atom. (2pts)
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Pls code this in C 7.3 Primes 7.3.1 Problem Given a number, print all of its prime factors. 7.3.2 Preconditions You must provide a single function which meets the requirements in the table below. You you may include other func- tions as long as the requested function executes correctly. Do not include a main function in your source or header
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Question: Refer to previous workshops for SoccerAssociation case study background You are the system's analyst on the Soccer Association's SA Operations project. Tina has asked you to look at implementing their Club Registration application and Game Sheet Entry application before the beginning of the season. It is currently 15th September, 2021
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import java.io.*; import java.util.*; public class WordTool { public static String[] getDictionary () { return getDictionary ("words"); } public static String[] getDictionary (String fileName) { String[] words = readDictionary (fileName); String[] scrubbedWords = scrub (words); return scrubbedWords; } static String[] readDictionary (String
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I am stuck I need to understand how to write an the html file: that MUST autosubmit. The URL that where i need to submit your form to e.g. http://cs####_project#:$$$$/forms. I need to POST the form to the server providing the URL right query parameter in my submission. I need to understand what goes in the query parameters. and how it is

An ATM contains Indian currency notes of 100,500 and 2000. To withdraw cash from this ATM, the user has to enter the number of notes he/she wants of each currency, i.e. of 100, 500 and 2000. python program to calculate the total amount withdrawn by the person from the ATM in rupees.

20. What is the result of the following expression? true 6% true I| false a. True b. False 21. What is the result of the following expression? true &4 true & & false a. True b. False
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what is a Python script that reads the current time and converts it to a time of day in hours, minutes, and seconds, plus the number of days since the epoch.

Hand write the output public class Factorial public statke voted maint string arget System out, print Inl news Fart System out, or int Unit near System out print int na System.out.or public int Fack( int ") if (n = 1) return 1; else return mefack(n-1)
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Given the following table containing information about employees of an organization, develop a small java application, which accepts employee id from the command prompt and displays the following details as output: EmpNo EmpName Department Designation Salary In your program, you must initialize an array with the following details. Emp No Emp Name

This CPU scheduler initiated or resumed transaction processing 10,000 times. The total CPU usage was 25 seconds. Disc 1 made 5000 transfers with an average transfer time of 10 ms. Disc 2 made 2000 transfers with an average transfer time of 50 ms. Disc 3 made 2000 transfers with an average transfer time of 20 ms. Derive the visit counts, service

Recursion, Exception Handling, Searching and Sorting Assignments Make a Sequential search program that takes an array of 5 numbers from the console and a search item, your program should return index of search item or -1 if item is not found. Your program should implement a custom Exception Handler class to detect any exceptions. Make a recursive
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Need help with the following 4 Python questions. For Q1, choice c) that I put was incorrect so its either a,b or d. I have a strong hunch its the last one, can anyone verify? For Q2, I received 5/7 for this question, which 2 do I need to swap to make it correct? For Q4, I chose 3/6 options but recieved 5/6 pts so one may be missing or I selected a

/** updateStudentName * * @brief updates the name of an existing student in the array of student structs, "class" * * @param "s" student struct that exists in the array "class" * @param "name" new name of student "s" * NOTE: if the length of name (including the null terminating character) * is above MAX_NAME_SIZE, truncate name to MAX_NAME_SIZE *

I would like to write a class called "Monster" in C++. this monster will be chasing the player in a maze each time the player takes a step. the maze will consist of 20 rows and 20 columns and the monster will start at row 18 column 10.

answer well. The core relational algebra can be extended with a duplicate elimination operator, and a grouping operator. (i) Define carefully these two operators. [3 marks] (ii) Assuming the grouping operator, show how the duplicate elimination operator is, in fact, unnecessary. [2 marks] (iii) Can the grouping operator be used to define the
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