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

See similar textbooks

Similar questions

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) { //…
In a method call, what does the keyword out signify when it is written before an argument to the method?
Find the error(s) in the following class definition: public class Circle private double radius; public double setRadius(double a) { radius = a; public void getRadius() { return radius;
java program
// This class discounts prices by 10% public class DebugFour4 { public static void main(String args[]) { final double DISCOUNT_RATE = 0.90; int price = 100; double price2 = 100.00; tenPercentOff(price DISCOUNT_RATE); tenPercentOff(price2 DISCOUNT_RATE); } public static void tenPercentOff(int p, final double DISCOUNT_RATE) { double newPrice = p * DISCOUNT_RATE; System.out.println("Ten percent off " + p); System.out.println(" New price is " + newPrice); } public static void tenPercentOff(double p, final double DISCOUNT_RATE) { double newPrice = p * DISCOUNT_RATE; System.out.println"Ten percent off " + p); System.out.println(" New price is " + newprice); } }
8. Identify and write non-static void methods with parameters correctly within a program considering the fact that the parameter list needs to correspond to the order and type in the method signature. * Enter your answer
In the following main( ), identify the valid or invalid statements. If invalid, tell why. Public classTestMain { public static void main(String [ ] args) { Car myCar1, myCar2; Electric Car myElec1, myElec2; myCar1 = new Car( ); myCar2 = new Car("Ford", 1200, "Green"); myElec1 = new ElectricCar( ); myElec2 = new ElectricCar(15); } }
The purpose of a method parameter should be explained. A parameter and an argument are two different things.
Using JAVASCRIPT write an object prototype for a Person that has a name and age, has a printInfo method, and also has a method that increments the persons age by 1 each time the method is called. Create two people using the 'new' keyword, and print both of their infos and increment one persons age by 3 years. Use an arrow function for both methods */ // Create our Person Prototype // Use an arrow to create the printInfo method // Create another arrow function for the addAge method that takes a single parameter // Adding to the age
Kinetic energy is the measure of the work that an object does by virtue of its motion. It is best illustrated by the formula: KE = 0.5 mv² Create a java class that will call a method that will compute for the kinetic energy. Sample output: Enter mass of an object: 54 Enter velocity of an object: 2.87 The kinetic energy of an object is: 222.40 joules Note: 1. The result should be in 2 decimal places. 2. Apply the exception handling method. 3. SCREENSHOTS NOT ALLOWED! 4. Save your file as KineticPT.java.
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
11