✓ ExercisesExercise: Write a method _ and _ that computes the region representing the intersection of two regions.Exercise: Write a method_contains__, which checks whether a n-dimensional point belongs to the region. Remember, a point belongs to theregion if it belongs to one of the rectangles in the region.✓ Membership of a point in a region#@title Membership of a point in a regiondef region_contains (self, p):### YOUR SOLUTION HERERegion._contains = region_contains[ ] # Tests 10 points.assert (2, 1) in Region (Rectangle((0, 2), (0, 3)), Rectangle((4, 6), (5,8)))assert (2, 1) not in Region (Rectangle((0, 1), (0, 3)), Rectangle((4, 6), (5, 8)))Exercise: Write a method _le_ for regions such that R <= S if the region R is contained in the region S. You can test this by checking thatthe difference between R and S is empty.

To solve the exercises you've outlined, define a few classes and methods for handling regions and…

Answered: ✓ Exercises Exercise: Write a method _…

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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Develop an interactive GUI-Tkinter CG Calculator. The calculator will include all standard mathematical operations such as addition, subtraction, multiplication, division as well as vector (2D vector operation such as Addition, Multiplication, Subtraction) and matric operations (2x2 matrix such as Addition, Multiplication, Subtraction).
Bubble Sorting an Array of ObjectsCreate a Student class and you will need to do the following: Enter the number of students (must be greater than 5). Enter the student’s names and grades Make sure that you enter the names and grades in random order. Iterate through the array of students and using the bubble sort, order the array by grade.
Rainfall Type Create a RainFall class that keeps the total rainfall in an array of doubles for each of the 12 months. Methods in the programme should return the following values: • the total annual rainfall; • the average monthly rainfall • the wettest month of the year • the month with the least amount of rain Demonstrate the class in its entirety. Validation of Input: Accepting negative amounts for monthly rainfall data is not permitted.
Calendar Item -month Cint -day:int +Calendar Item(int, int nove(int, int):void totring() istring Meeting Birthday -time: String -participants: ArrayList -name:String birth year int +Meeting(int, int, String) +addParticipant (string):void +move(int, int, String) ivoid +Birthday (String, int, int) +tostring(): String Based on the UML diagrams shown above, write complete Java class for Meeting as follows: B) Meeting 1. Define the class and its attributes. Note that Meeting is a subclass of Calendaritem. 2. Implement the constructor, which takes 3 parameters for day, month, and time, and set the values correctly. Also initialize the ArrayList here. 3. Implement the addParticipant method, which should add the given name to the arrayList t 4. Implement the move method, which takes 3 parameters for day, month, and time, and update these values.
Library class: Fields: books as arraylist to store all the books available in the library B3 B1 B2 В4 B5 Constructor: Library() } : No parameterized constructor to create the books object Methods: 1. addBook(Book bookobj): to add a new book to the arraylist; send the book object as a parameter to this method. 2. searchBook(String name): search a book by a given name in the arraylist. if exits print bookX found; otherwise print not found!!! 3. RemoveBook(String name): to delete a book object from arraylist by a given name: Hint: you need to use iterator class and remove method. Book class: Fileds: bookld, bookname. Constructor: two parameterized constructor that accepts name a parameter Book(int ID, String name) ..... Methods: 1. Accessor method to return the name of the book 2. Mutator method to change the id of the book. Use this Main method: in your program: public static void main(String args[]) { Library lib=new Library(); lib.addBook(new Book("b1")); lib.addBook(new Book("b2"));…
Design an application that declares an array of 20 AutomobileLoan objects. Prompt the user for data for each object, and then display all the values.
please explain with detailed information and reason
int getUpperScore(){ int upperScore = 0; for(int i = ONES; i <= SIXES; i++){ upperScore += score[i]; } return upperScore + getBonusScore(); } //Returns the score of the upper part of the board int getLowerScore(){ int lowerScore = 0; for(int i = THREE_OF_KIND; i <= YAHTZEE; i++){ lowerScore += score[i]; } return lowerScore; } //Returns the bonus points int getBonusScore(){ const int UPPER_SCORES_THRESHOLD = 63; const int BONUS_POINTS = 35; if(getUpperScore() >= UPPER_SCORES_THRESHOLD){ return BONUS_POINTS; } return 0; } //Returns the total score int getTotalScore(){ return getUpperScore() + getLowerScore(); } Test 10: Check upper board and having bonus correctly (0/3) failed
MazeSolver attempts to traverse a Maze. The goal is to get from the * given starting position to the bottom right, following a path of 1’s. Arbitrary * constants are used to represent locations in the maze that have been TRIED * and that are part of the solution PATH.
1. Square Roots Create a class with a method that, given an integer, returns an array of double-precision floating point numbers (known in Java as double), each of which is a square root of a number between 2 and the parameter to the method. For example, if the parameter is 5, the method should return an array of 4 doubles, with approximate values 1.4142135623, 1.7320508075, 2.0, and 2.2360679774. Your method should check the validity of the parameter, and take appropriate action if the parameter is invalid. 2. Reading Files Create a class with a method that, given a string representing a file name, returns an integer with the number of characters in the file. For example, if the file has 10 characters, your method must return the number 10. 3. Main Class Create a class HW1.java with a main method that does both of the following: calls the method from part 1 with a random integer between 0 and 10, and prints each of the numbers in the result. The numbers should all be printed on the…
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