*12.5 (11legalITriangleException) Programming Exercise 11.1 defined the Triangle class with three sides. In a triangle, the sum of any two sides is greater than the other side. The Triangle class must adhere to this rule. Create the 11legalTriangleException class, and modify the constructor Solveby Java Programming Exercises 515 of the Triangle class to throw an 111egalTriangleException object if a triangle is created with sides that violate the rule, as follows: * Construct a triangle with the specified sides / public Triangle(double sidet, double side2, double side3) throws IllegalTriangleException ( I| Implement it

12.5 (11legalITriangleException) Programming Exercise 11.1 defined the Triangle class with three sides. In a triangle, the sum of any two sides is greater than the other side. The Triangle class must adhere to this rule. Create the 11legalTriangleException class, and modify the constructor Solveby Java Programming Exercises 515 of the Triangle class to throw an 111egalTriangleException object if a triangle is created with sides that violate the rule, as follows: Construct a triangle with the specified sides / public Triangle(double sidet, double side2, double side3) throws IllegalTriangleException ( I| Implement it

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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1.12 Lab: Check Login Credentials (classes) Complete the Login class implementation. For the class method check credentials(), you will need to accept two arguments - login and passwd. Do not forget about the self argument. This class method will set two local variables simlogin = "Test' and simpass = "test1234". These variables will simulate the correct login and password for the credential check process. The method will receive the login and password from the user and check it with Test and test1234. If the user sent the correct credentials output: Successful login! If the user sent the correct login name but the wrong password output: Login name is correct, incorrect password! If the user sent an incorrect login name but the correct password output: Login name is incorrect, password accepted! If the user sent both incorrect login name and password output: Unsuccessful login attempt! The class method will return a boolean success variable as True if the login was successful. Using if…
1.12 Lab: Check Login Credentials (classes) Complete the Login class implementation. For the class method check_credentials(), you will need toaccept two arguments - login and passwd. Do not forget about the self argument. This class method will set two local variables simlogin = "Test" and simpass = "test1234".These variables will simulate the correct login and password for the credential check process. The method will receive the login and password from the user and check it with Test and test1234. If the user sent the correct credentials output: Successful login! If the user sent the correct login name but the wrong password output: Login name is correct, incorrect password! If the user sent an incorrect login name but the correct password output: Login name is incorrect, password accepted! If the user sent both incorrect login name and password output: Unsuccessful login attempt! The class method will return a boolean success variable as True if the login was successful. Using…
23.5 LAB: Random values (Use Python) In main.py define the RandomNumbers class, which has three integer attributes: var1, var2, and var3. Write getter method for each attribute: get_var1(), get_var2() and get_var3(). Then write the following 2 instance methods: set_random_values( ) - accepts a low and high integer values as parameters, and sets var1, var2, and var3 to random numbers within the range of the low and high input values (inclusive). get_random_values( ) - prints out the 3 random numbers in the format: "Random values: var1 var2 var3" Ex: If the input is: 15 20 the output may be: Random values: 17 15 19 where 17, 15, 19 can be any random numbers within 15 and 20 (inclusive). Note: When submitted, your program will be tested against different input range to verify if the three randomly generated values are within range.
23.6 LAB: BankAccount class (Use Python) Build a class called BankAccount that manages checking and savings accounts. The class has three attributes: a customer name, the customer's savings account balance, and the customer's checking account balance. Implement the following constructor and instance methods as listed below: Constructor with parameters (self, new_name, checking_balance, savings_balance) - set the customer name to parameter new_name, set the checking account balance to parameter checking_balance, and set the savings account balance to parameter savings_balance. deposit_checking(self, amount) - add parameter amount to the checking account balance (only if positive) deposit_savings(self, amount) - add parameter amount to the savings account balance (only if positive) withdraw_checking(self, amount) - subtract parameter amount from the checking account balance (only if positive) withdraw_savings(self, amount) - subtract parameter amount from the savings account…
Problem 3.1 (Please download Clock.java to complete this problem; Also read testProgClock.java to understand how to write a test program for a new class you have developed) We have taught the class Clock designed to implement the time of day in a program. Certain application in addition to hours, minutes, and seconds might require you to store the time zone. Please do the following: Derive the class ExtClock from the class Clock by adding a data member to store the time zone. Add necessary methods and constructors to make the class functional. Also write the definitions of the methods and constructors. Write a test program to test your new class. clock.java public class Clock{private int hr;private int min;private int sec;public Clock(){setTime(0, 0, 0);}public Clock(int hours, int minutes, int seconds){setTime(hours, minutes, seconds);}public void setTime(int hours, int minutes, int seconds){if (0 <= hours && hours < 24)hr = hours;elsehr = 0;if (0 <= minutes…
Sove ava **11.8 (New Acount class) An Account class was specified in Programming Exercise 9.7. VideoNote Design a new Account class as follows: New Account class I Add a new data field name of the String type to store the name of the customer. I Add a new constructor that constructs an account with the specified name, id, and balance. I Add a new data field named transactions whose type is ArrayList that stores the transaction for the accounts. Each transaction is an instance of the Transaction class, which is defined as shown in Figure 11.6. The get and sat methods for these data fields are provided in the class, but omitted in the UML diagram for brevity. Transaction -date: java. util.Date The date of this transaction. -type: char The type of the transaction, such as "w for withdrawal. "D" for deposit. -amount: double The amount of the transaction. -balance: double The new balance after this transaction. -description: String The description of this transaction. +Transaction(type:…
7.23 LAB: Product class use Java. Given main(), define the Product class (in file Product.java) that will manage product inventory. Product class has three private member fields: a product code (String), the product's price (double), and the number count of product in inventory (int). Implement the following Constructor and member methods: public Product(String code, double price, int count) - set the member fields using the three parameters public void setCode(String code) - set the product code (i.e. SKU234) to parameter code public String getCode() - return the product code public void setPrice(double p) - set the price to parameter p public double getPrice() - return the price public void setCount(int num) - set the number of items in inventory to parameter num public int getCount() - return the count public void addInventory(int amt) - increase inventory by parameter amt public void sellInventory(int amt) - decrease inventory by parameter amt Ex. If a new Product object is…
Exercise 11:0 (20) Write a Java class that implements a set of three overloaded static methods. The methods should have different set of parameters and perform similar functionalities. Call the methods within main method and display the results. Lab #2 Java Programming Exercis Design a Lo class with one array instance variable to hold three random integer values (from 1 to 8). Include a constructor that randomly populates the array for a lotto object. Also, include a method in the class to return the array. Exercise 3 (F...! Page 1 of 3 Use this class to simulate a simple lotto game in which computer randomly chooses a number between 3 and 24. The user runs the lotto up to 7 times and each time the sum of lotto numbers entered by the user is calculated. If the sum of the numbers chosen by the user matches the number selected by computer, the user wins and the game ends. If the sum of the entered numbers does not match the sum within 7 rolls, the computer wins. Use methods of…
Sove ava **11.8 (New Account class) An Account class was specified in Programming Exercise 9.7. VideoNote Design a new Account class as follows: New Account class 1 Add a new data field name of the String type to store the name of the customer. 1 Add a new constructor that constructs an account with the specified name, id, and balance. I Add a new data field named transactions whose type is ArrayList that stores the transaction for the accounts. Each transaction is an instance of the Transaction class, which is defined as shown in Figure 11.6. The get and sat methods for these data fields are provided in the class, but omitted in the UML diagram for brevity. Transaction -date: java. util.Date The date of this transaction. -type: char The type of the transaction, such as "w for withdrawal. *D" for deposit. -amount: double The amount of the transaction. -balance: double The new balance after this transaction. -description: String The description of this transaction. +Transaction (type:…
8.8 LAB: Course information (derived classes) Use Java. Given main(), define a Course base class with methods to set and get the courseNumber and courseTitle. Also define a derived class OfferedCourse with methods to set and get instructorName, term, and classTime. Ex. If the input is: ECE287 Digital Systems Design ECE387 Embedded Systems Design Mark Patterson Fall 2018 WF: 2-3:30 pm the output is: Course Information: Course Number: ECE287 Course Title: Digital Systems Design Course Information: Course Number: ECE387 Course Title: Embedded Systems Design Instructor Name: Mark Patterson Term: Fall 2018 Class Time: WF: 2-3:30 pm import java.util.Scanner; public class CourseInformation {public static void main(String[] args) {Scanner scnr = new Scanner(System.in); Course myCourse = new Course();OfferedCourse myOfferedCourse = new OfferedCourse(); String courseNumber, courseTitle;String oCourseNumber, oCourseTitle, instructorName, term, classTime; courseNumber =…
2.14 LAB: Pet information (derived classes) The base class Pet has protected fields petName, and petAge. The derived class Dog extends the Pet class and includes a private field for dogBreed. Complete main() to: • create a generic pet and print information using printinfo(). • create a Dog pet, use printInfo() to print information, and add a statement to print the dog's breed using the getBreed() method. Ex. If the input is: Dobby 2 Kreacher 3 German Schnauzer the output is: Pet Information: Name: Dobby Age: 2 Pet Information: Name: Kreacher Age: 3 Breed: German Schnauzer 430560.2938290.qx3zqy7 LAB ACTIVITY File is marked as read only 1 public class Dog extends Pet { 2 private String breed; 3 4 5 6 7 8 9 2.14.1: LAB: Pet information (derived classes) 10 11} } Current file: Dog.java ▾ public void setBreed (String userBreed) { breed userBreed; } public String getBreed() { return breed; 0/10
6.1 LAB: Pet information (derived classes)The base class Pet has protected fields petName, and petAge. The derived class Cat extends the Pet class and includes a private field for catBreed. Complete main() to: create a generic pet and print information using printInfo().create a Cat pet, use printInfo() to print information, and add a statement to print the cat's breed using the getBreed() method.Ex. If the input is: Dobby2Kreacher3Scottish Foldthe output is: Pet Information:Name: DobbyAge: 2Pet Information:Name: KreacherAge: 3Breed: Scottish Fold