Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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- Use this code template to continue the code: public Item(String name, double weight, int value) Initializes the Item’s =ields to the values that are passed in; the included =ield is initialized to false public Item(Item other) Initializes this item’s fields to the be the same as the other item’s public double getWeight() public int getValue() public boolean isIncluded() Getter for the item’s fields (you don’t need a getter for the name) Given code: public class Item { private final String name; private final double weight; private final int value; private boolean included; public Item(String name, double weight, int value) { this.name = name; this.weight = weight; this.value = value; } public Item(Item item){ name = item.name; weight = item.weight; value = item.value; } public void…arrow_forwardSelect the correct option for the question shown below.arrow_forwardMethods with an empty parameter list and do not return a value: [Questions 1-8 required] You invoke a method by its name followed by a pair of brackets and the usual semi-colon Write a method called DisplayPersonalInfo(). This method will display your name, school, program and your favorite course. Call the DisplayPersonalInfo() method from your program Main() method Write a method called CalculateTuition(). This method will prompt the user for the number of courses that she is currently taking and then calculate and display the tuition cost. (cost = number of course * 569.99). Call the CalculateTuition() method two times from the same Main() method as in question 1. Write a method call CalculateAreaOfCircle(). This method will prompt the user for the radius of a circle and then calculate and display the area.[A = πr2].Call the CalculateAreaOfCircle() method twice from the same Main() method as in question 1. Use Math.Pi for the value of π Write a method call…arrow_forward
- What would that method return based on the arguments listed? If nothing would be returned, please write “NO RETURN” in the box. CALL largestValue(3, 5, 3) ࠪ FIRST METHOD ࠪ SECOND METHOD ࠪ THIRD METHOD CALL largestValue(3, 5) ࠪ FIRST METHOD ࠪ SECOND METHOD ࠪ THIRD METHOD CALL largestValue(3.0, 5.5) ࠪ FIRST METHOD ࠪ SECOND METHOD ࠪ THIRD METHODarrow_forwardHelp fix codearrow_forwardA method CAN Not be invoked using a variable that is initialized to null. True Falsearrow_forward
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- color: one of the following strings: 'red', 'blue', 'silver', 'white', 'black'year: year of manufacturing. A number between 1990 and 2018company: one of the following strings: 'Honda', 'Toyota', 'Ford', 'Chevrolet'model: one of the following strings: 'sedan', 'hatchback', 'SUV'Give a logical expression that evaluates to a True or False for a set of cars. e.g. Expression for "Red SUV cars" is (color == "red" and model == "SUV") Give an expression for "Ford sedan cars that are red or blue and were manufactured after 2000"arrow_forwardSlappy’s Software Sales AssignmentYou have been hired by Slappy’s Software Sales to write a program to figure thetotal cost to customers that order Slappy’s software packages.Discounts are given based on the number of units sold:Number of Units Sold Discount Amount1 – 9 None10 – 19 20%20 – 49 30%50 – 99 40%100 or more 50%Create a form similar to this:The three boxes are labels. Remember to use the Auto Size and Border Styleproperties.The program should read the number of units sold and figure a base cost. Theunits cost $99 each. A discount should then be figured and subtracted from thebase cost. The subtotal, discount amount and total cost should be displayed, ascurrency, in the appropriate labels.Here are some screen shots of the running program:Set the tab order and access keys.Put comments in your program as to what each section is doing.Use constants for the discount rates and base price.arrow_forward1 dosage = 100 2 time since_last_dose = 7 3 is nighttime = False 4 took something_cross_reactive = False 5 6 #You may modify the lines of code above, but don't move them! 7 #When you Submit your code, we'll change these lines to 8 #assign different values to the variables. 9 # 10 # Let's try to use our mathematical operators and logical 11 #operators together. 12 # 13 #Imagine you've been battling a cold. You're deciding whether 14 #to take cough syrup or not, and if so, how much to take. 15 # 16 #time_since_last_dose represents the number of hours since 17 #you Tast took some cough syrup. For every hour it's been, 18 #you're allowed to have one dose. 19 # 20 #If it's nighttime (is_nighttime), then you may double 21 #your dose since you won't be taking any until morning. 22 # 23 #However, if you've taken something cross-reactive 24 #(took_something_cross_reactive), then you should not take 25 #any cough syrup. 26 # 27 #Write a program that will print how large a dose of cough 28 #syrup…arrow_forward
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