1. Instructions: The program you will analyze is shown below. The program listing contains aclass definition followed by a main program. Your task is to find and write the missing codelines to make the program work correctly. Use the output statements from the print()statements to reveal this mystery :-) Please write the missing code lines clearly in the emptyboxes.###### start of Rectangle classclass Rectangle:definit(self,length, width):self.lengthlengthself.width= widthdef GetLength (self):return self.lengthdef GetWidth(self):return self.widthdef GetArea (self):returnself.length * self.widthdef SetScale(self, scale):self.lengthself.length *scaleself.widthself.width * scale#### start of main programrecRectangle (3,5)%3Dprint ('Rectangle Area: ', rectangleArea)forESinrange (2,5) :width =rec.GetWidth() print ('Current rectangle width:', width)rec.SetScale ( rs )print ('Scale factor applied:', rs)print ('New rectangle width:', width)##:## end of program

Analysis of the program: Created an object of Rectangle class as rec with the argument (3, 5) where…

Answered: 1. Instructions: The program you will…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Topics Classes Methods Data Collections: Lists, Tuples, and Dictionaries String Manipulation Chess Objective: practicing with classes, instance methods, data collections, loops, if and elif statements, and string methods Description In this assignment you will write a program that shows the valid moves of chess pieces. Your program will draw a board with 64 squares using the traditional layout, next ask the user to choose a move, and then, depending on the user's choice, redraw the board with the selected chess piece and its valid moves. Please see the examples of valid moves of chess pieces and the traditional chess board layout below: At the beginning, your program should draw an empty chess board and prompt the user to enter a move: Welcome to the Chess Game! a b c d e f g h +---+---+---+---+---+---+---+---+8| | | | | | | | |8 +---+---+---+---+---+---+---+---+7| | | | | | | | |7 +---+---+---+---+---+---+---+---+6| | | | | |…
Instructions The files provided in the code editor to the right contain syntax and/or logic errors. In each case, determine and fix the problem, remove all syntax and coding errors, and run the program to ensure it works properly. An example of the program is shown below: Enter a radius for a circle >> 7 The radius is 7 The diameter is 14 The area is 153.93791 Task 1: The DebugPen class compiles without error. This task is dependent on completing task #2. Task 2: The DebugCircle class methods work without errors. Task 3: The DebugFour1 class compiles without error. Task 4: The DebugFour1 program accepts user input and displays the correct output.
Math: pentagonal numbers) A pentagonal number is defined as n(3n-1)/2 , for n = 1,2, . . ., and so on. Therefore, the first few numbers are 1, 5 ,12, 22, ... Write a Java program with an object class called Pentagon and a test class called testPentagon. The Pentagon object class must contain a method with the following header that calculates and return a pentagonal number: public int calcPentagonalNumber(int n) Use the formula: n(3n-1)/2 In the test class: Make use of the calcPentagonalNumber(n) method in the Pentagon object class and display the first 100 pentagonal numbers with 10 numbers on each line. NOTE: NO marks if the pentagonal number is calculated in the test class. Your solution must be an object-oriented solution
Instructions The files provided in the code editor to the right contain syntax and/or logic errors. In each case, determine and fix the problem, remove all syntax and coding errors, and run the program to ensure it works properly. An example of the program is shown below: Enter name Juan Hello, Juan! Task 1: The DebugThree3 class compiles without error. Task 2: The getName() method accepts user input for a name and returns the name value as a String. Task 3: The displayGreeting() method displays a personalized greeting. Task 4: The DebugThree3 program accepts user input and displays the correct output.
Retail StoreSuppose you have been consulted by a retail shop around your area to build a simple calculator. The calculator must be able to perform arithmetic operations (+, -, *, /) on integers. The program receives an expression from the user. The expression is structured as follows: integer input followed by an operator and another integer input from user prior to displaying the final result. Write a Java application that can perform the above expression. Create a method that takes two parameters and performs an arithmetic operation on the passed values. Your final output should consist of the expression and the result.
Using the dialog boxes in the JOptionPane class, write a program that calculates and prints themonthly paycheck for an employee. Use the class name “LastnameClasscodeFinal1”. The netpay is calculated after taking the following deductions:a) Federal Income Tax: 15%b) State Tax: 3.5%c) Social Security Tax: 5.75%d) Medicare/Medicaid Tax: 2.75%e) Pension Plan” 5%f) Health Insurance: $ 75.00Your program should prompt the user to input the gross amount and the employee name. Formatthe output to have two decimal places. A sample output follows: Juan Dela CruzGross Amount: $ 3575.00Federal Tax: $ 536.25State Tax: $ 125.13Social Security Tax: $ 205.56Medicare/Medicaid Tax: $ 98.31Pension Plan: $ 178.75Health Insurance: $ 75.00Net Pay: $ 2356.00
Using the dialog boxes in the JOptionPane class, write a program that calculates and prints themonthly paycheck for an employee. Use the class name “LastnameClasscodeFinal1”. The netpay is calculated after taking the following deductions:a) Federal Income Tax: 15%b) State Tax: 3.5%c) Social Security Tax: 5.75%d) Medicare/Medicaid Tax: 2.75%e) Pension Plan” 5%f) Health Insurance: $ 75.00Your program should prompt the user to input the gross amount and the employee name. Formatthe output to have two decimal places. A sample output follows:
Using the dialog boxes in the JOptionPane class, write a program that calculates and prints themonthly paycheck for an employee. Use the class name “LastnameClasscodeFinal1”. The netpay is calculated after taking the following deductions:a) Federal Income Tax: 15%b) State Tax: 3.5%c) Social Security Tax: 5.75%d) Medicare/Medicaid Tax: 2.75%e) Pension Plan” 5%f) Health Insurance: $ 75.00
#this is a python program #topic: OOP Design the Country class so that the code gives the expected output. [You are not allowed to change the code below] # Write your Class Code here country = Country() print('Name:',country.name) print('Continent:',country.continent) print('Capital:',country.capital) print('Fifa Ranking:',country.fifa_ranking) print('===================') country.name = “Belgium” country.continent = “Europe” country.capital = “Brussels” country.fifa_ranking = 1 print('Name:',country.name) print('Continent:',country.continent) print('Capital:',country.capital) print('Fifa Ranking:',country.fifa_ranking) Output: Name: Bangladesh Continent: Asia Capital: Dhaka Fifa Ranking: 187 =================== Name: Belgium Continent: Europe Capital: Brussels Fifa Ranking: 1
5. public static String getFlag(int size, char color1, char color2, char color3) - This method returns a string where a triangle appears on the left size of the diagram, followed by horizontal lines. For example, calling DrawingApp.getFlag(9, 'R', '.', 'Y'); will generate the string: R... RRYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY YYYYYYYYY RRRYYYYΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥ YYYYYYYYY RRRRYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY YYYYYYYYY RRRRRYYYYY YYYYYYYYYYYYY YYYYYYYYY RRRRRRY YYYYYYYYYYYYYYYYY YYYYYYYYY RRRRRRRYYYYYYYYYYYYYYYYYYYYYYYYYYYYY YYYYYYYYY RRRRRRRRYY YYYYYYYYYYYYYYYY YYYYYYYYY RRRRRRRRR. RRRRRRRRR. RRRRRRRRYYYYYY rҮҮҮҮҮҮҮҮҮҮҮҮҮҮҮҮҮҮ YYYYYYYYY RRRRRRRYYY ΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥ ΥΥΥΥΥΥΥΥΥ RRRRRRYYY ΥΥΥΥΥΥΥΥΥΥΥΥΥΥΥ YYYYYYYYY RRRRRYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY YYYYYYYYY RRRRYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY YYYYYYYYY RRRYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY YYYYYYYYY RRYYYYYYYY YYYYYYYYYYYYYYYY ΥΥΥΥΥΥΥ The diagram has a number of rows that corresponds to size * 2 and a number of colums that…
JAVAA7-Write a class with a constructor that accepts a String object as its argument. The class should have a method that returns the number of vowels in the string, and another method that returns the number of consonants in the string. Demonstrate the class in a program by invoking the methods that return the number of vowels and consonants. Print the counts returned.
Java Overview In this task, you should try using the Scanner class to read data from the keyboard. This data should be stored in variables in your program and then printed on screen. Task You should write a class called Story that should include a main method. This programs should create a fairy tale for a child. The program is based on a completed story, but some words must be replaced with such as the user may enter. The fairy tale you are going to based on are the following: The little ant (1) There was once a small, small ant that lived with its (2) and its (3) siblings in an anthill, by a large (4) in the forest. The little ant is called (1). For the most part, (1) and his siblings used to work on carrying (5) and (6) to the stack, but today it was (7), so (1) was free. The words that are crossed out are the words that your program should ask the user for. In total, there are seven entries the user must make. The program must save these entries in separate variables and then…

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