Class: DoubleMethod Write a method using the header below public static double readDouble(String prompt) that displays the prompt string, followed by a space, then reads a floating-point number from the user, and returns it. Here is a typical usage: salary = readDouble("Please enter your salary:"); percentageRaise = readDouble("What percentage raise would you like?");Write a test program to test the method.

Class: DoubleMethod Write a method using the header below public static double readDouble(String prompt) that displays the prompt string, followed by a space, then reads a floating-point number from the user, and returns it. Here is a typical usage: salary = readDouble("Please enter your salary:"); percentageRaise = readDouble("What percentage raise would you like?");Write a test program to test the method.

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter10: Classes And Data Abstraction

Section: Chapter Questions

Problem 15PE

See similar textbooks

Similar questions

Program62.javaWrite a program that prompts for a full name (first and last) and assigns it to one string. The program then passes the full name to a void method as its sole parameter. The void method should print the first name, on one line, as many times as indicated by the length of the last name. Sample Output (image below) Program64.javaWrite a program that demonstrates method overloading by defining and calling methods that return the area of a triangle, a rectangle, or a square.
Q1) Write a method that checks whether two words are anagrams. Two words are anagrams if they contain the same letters in any order. For example, "silent" and "listen" are anagrams. Write a test program that prompts the user to enter two strings and, if they are anagrams, displays "anagram", otherwise displays "not anagram". Note: The header of the method is as follows: public static boolean isAnagram(String s1, String s2) Sample Input #1: Enter two strings: Silent listen Sample Output #1: The string “Silent” and “listen” are anagrams. Sample Input #1: Enter two strings: teach peach Sample Output #1: The string “teach” and “peach” aren’t anagrams.
1. For each call of the method below, display the value that is returned public int retVal(int a, int b) { int c; if (a > b) { c = a; } else if (b % a == 0) { c = b; } else { c = b + (a - (b % a)); } return c; } Read the following arguments from the keyboard and pass them to retVal()Arguments passed a. retVal(4, 2) b. retVal(5, 4) c. retVal(5, 13) d. retVal(x, y) e. retVal(m, n) Output a. 4 b. 5 c. 15 d. 20 e. 8 For d and e what values are passed to produce 20 and 8?
6. Write a method that reads three strings from the keyboard. Although the strings are in no particular order, display the string that would be second if they were arranged lexicographically. 7. Write a method that reads a one-line sentence as input and then displays the following response: If the sentence ends with a question mark (?) and the input contains an even number of characters, display the word Yes. If the sentence ends with a question mark and the input contains an odd number of characters, display the word No. If the sentence ends with an exclamation point (!), display the word Wow. In all other cases, display the words You always say followed by the input string enclosed in quotes. Your output should all be on one line. Be sure to note that in the last case, your output must include quotation marks around the echoed input string. In all other cases, there are no quotes in the output. Your program does not have to check the input to see that the user has entered a…
Program62.javaWrite a program that prompts for a full name (first and last) and assigns it to one string. The program then passes the full name to a void method as its sole parameter. The void method should print the first name, on one line, as many times as indicated by the length of the last name. Sample Output (image below)
Program63.javaWrite a program that estimates the cost of carpet for one or more rooms with rectangular floors. Begin by prompting for the price of carpet per square yard and the number of rooms needing this carpet. Use a loop to prompt for the floor dimensions of each room in feet. In this loop, call a value-returning method with the dimensions and carpet price as arguments. The method should return the carpet cost for each room to main, where it will be printed and accumulated. After all rooms have been processed, the program should display the total cost of the job.Sample Output (image below) Program64.javaWrite a program that demonstrates method overloading by defining and calling methods that return the area of a triangle, a rectangle, or a square.
6.17 LAB: Max magnitude Write a method maxMagnitude() with two integer input parameters that returns the largest magnitude value. Use the method in a program that takes two integer inputs, and outputs the largest magnitude value. Ex: If the inputs are: 5 7 the method returns: 7 Ex: If the inputs are: -8 -2 the method returns: -8 Note: The method does not just return the largest value, which for -8 -2 would be -2. Though not necessary, you may use the absolute-value built-in math method. Your program must define and call a method:public static int maxMagnitude(int userVal1, int userVal2) tested with 5,7 -8,-2, 25,-50 import java.util.Scanner; public class LabProgram { public static void main(String[] args) { Scanner input = new…
2. Write a java program which will input an integer value from the user (Use Scanner class). Your program will have mathOper() method in addition to the main() method.The main() method will be responsible for:a. extracting the 1's digit (ones), the 10's digit (tens), and any digits larger than the 10's digit. For instance, if the input is 3562, the 1's digit would be 2, the 10's digit would be 6, and the remaining digits would be 35.b. call the mathOper() method with these 3 values,c. print the results to the screen.The mathOper() method will make the following calculations:a. Multiply the 1's digit by 7, subtract the result by 2 and then divide that by 5.b. Add 3.5 to the 10's digit, multiply the result by 4.3 and then divide that by 2.c. Subtract 5 from the remaining digits, multiply the result by 3, find the remainder after dividing that by 7, and then add 6 to the remainder value.d. Add the 3 values obtained from ‘a’, ‘b’, and ‘c’ operations.e. Return the final value.Sample output…
6.25 LAB: Step counter IN JAVA ** A pedometer treats walking 1 step as walking 2.5 feet. Define a method named feetToSteps that takes a double as a parameter, representing the number of feet walked, and returns an integer that represents the number of steps walked. Then, write a main program that reads the number of feet walked as an input, calls method feetToSteps() with the input as an argument, and outputs the number of steps. Use floating-point arithmetic to perform the conversion. Ex: If the input is: 150.5 the output is: 60 The program must define and call a method:public static int feetToSteps(double userFeet) import java.util.Scanner; public class LabProgram { /* Define your method here */ public static void main(String[] args) { /* Type your code here. */ }}
Write a method orderFood() for the class Food that simulates ordering food. The method takes an integer as argument, which indicates the number of portions that are ordered. It then prints out a string showing the number of portions and the type of food ordered. The string needs to have the format as shown in the examples below. Python
Using Java, Write a method named isEven that accepts an int argument. The method should return true if the argument is even, or false otherwise. Also write a program to test your method.
Create a C# statement that uses each of the following built-in methods you have used in previous chapters, then make an intelligent guess about the return type and parameter list for the method used in each statement you created. a. Console.WriteLine() b. String. Equals() c. String. Compare() d. Convert.Tolnt32 () e. Convert. Tochar() f. Array. Sort()