Given the following class definition, which statements will instantiate an object of this class? Choose all that apply. class Restaurant { private String name; private int rating; } public Restaurant() { this.name = "no name"; this.rating = 0; } public Restaurant (String initName, int initRating) { this.name = initName; this.rating = initRating; } Onone of these Onew Restaurant rest Restaurant(); O Restaurant rr = new Restaurant("Chili's"); Restaurant diner = new Restaurant(3, "Taco Bell"); Onew Restaurant diner Restaurant(); Restaurant chillis = new Restaurant()); String rest = new Restaurant("Chili's", 3); Restaurant fastFood = new Restaurant("Taco Bell 3); Onew fastFood Restaurant("Taco Bell", 3), int rr = new Restaurant(); 4

Given the following class definition, which statements will instantiate an object of this class? Choose all that apply. class Restaurant { private String name; private int rating; } public Restaurant() { this.name = "no name"; this.rating = 0; } public Restaurant (String initName, int initRating) { this.name = initName; this.rating = initRating; } Onone of these Onew Restaurant rest Restaurant(); O Restaurant rr = new Restaurant("Chili's"); Restaurant diner = new Restaurant(3, "Taco Bell"); Onew Restaurant diner Restaurant(); Restaurant chillis = new Restaurant()); String rest = new Restaurant("Chili's", 3); Restaurant fastFood = new Restaurant("Taco Bell 3); Onew fastFood Restaurant("Taco Bell", 3), int rr = new Restaurant(); 4

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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Question 6 Consider: class Bike { } private String color; public Bike() { } public Bike(String newColor) { color = newColor; } public Bike (Bike bike) { color = } bike.color; public String getColor() { } } return color; public void setColor(String newColor) { color = newColor; Bike bike1= new Bike(); = Bike bike2 new Bike("blue"); Bike bike3 = new Bike(bike2); bike2.setColor("green"); Bike bike4 = new Bike(bike2); Which of the following are correct? bike4.getColor() returns null bike4.getColor() return "blue" bike3.getColor() return "green" bike2.getColor() returns "blue" bike4.getColor() return "green" bike1.getColor() returns bike3.getColor() return null bike3.getColor() returns "blue" bike2.getColor() returns "green" bike1.getColor() returns null
It is possible to express the relationship that exists between classes and objects.
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