1. public static double getPrice () { ") ; System.out.printf("%nWhat is the price? return input.nextDouble () ; The return statement is returning from a a. method call b. literal c. variable d. class 2. public static double getPrice () { return price; The return statement is returning from a a. method call b. literal C. variable d. class

1. public static double getPrice () { ") ; System.out.printf("%nWhat is the price? return input.nextDouble () ; The return statement is returning from a a. method call b. literal c. variable d. class 2. public static double getPrice () { return price; The return statement is returning from a a. method call b. literal C. variable d. class

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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Convert this code Java code to C++ and get the same output: public class Problem3 { // method to accept a temperature in fahrenheit and convert it to celsius public static double fahrenheitToCelsius(double fahrenheit) { // declaring a variable to store the temperature in celsius double celsius; // converting temperature to celsius using formula C/5 = (F-32)/9 celsius = 5 * (fahrenheit - 32) / 9; // returning temperature in celsius return celsius; } // method to accept a temperature in celsius and convert it to fahrenheit public static double celsiusToFahrenheit(double celsius) { // declaring a variable to store the temperature in fahrenheit double fahrenheit; // converting temperature to fahrenheit using formula C/5 = (F-32)/9 fahrenheit = 9 * celsius / 5 + 32; // returning temperature in fahrenheit return fahrenheit; } public static void main(String[] args) { //…
a. Plan the logic for an insurance company program to determine policy premiums. The program continuously prompts the user for an insurance policy number. When the user enters an appropriate sentinel value, end the program. Call a method that prompts each user for the type of policy needed—health or auto. While the user’s response does not indicate health or auto, continue to prompt the user. When the value is valid, return it from the method. Pass the user’s response to a new method where the premium is set and returned—$550 for a health policy or $225 for an auto policy. Display the results for each policy. b.Modify Exercise 9a so that the premium-setting method calls one of two additional methods—one that determines the health premium or one that determines the auto premium. The health insurance method asks users whether they smoke; the premium is $550 for smokers and $345 for nonsmokers. The auto insurance method asks users to enter the number of traffic tickets they have received…
A main method can be placed inside a class definition. O True O False
A method CANNOT change the values of the instance variables of a class type that is an argument to the method call. True False
Analyze the following statements carefully and decide whether the statements that appear after the code are true or false.
a) Test two of the methods in this code.
The purpose of a method parameter should be explained. A parameter and an argument are two different things.
When a method call parameter is preceded by the word "out" in a piece of programming code, what does this imply?
Subject: Java Programming Question#4: Define a class Triangle with following fields: angle 1, angle 2 and angle 3. Define getter and setter methods ensuring that angle is between 0 and 360. Define a method is_right_angle() that checks if any of the angle is 90. Define a method is_equilateral to check if all the angles are equal. Define a method area to calculate the area of the triangle.
class Param5 { private int a, b; public Param5() { b = 2; } public void method1(int b) { a = this.b + 5; System.out.println(a); // what is the output here? a = method2(b); System.out.println(a); // what is the output here? System.out.println(this.b); // what is the output here ? } public int method2(int a) { b = 2 + a; return this.a + b; } Param5 q5 = new Param5(); } q5.method1(3); I want to know each output please with explanation .. the code has no errors
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