57. Which of the following statements would you use to declare the reference variable secretObject of typeSecret and instantiate the object such that the value of the data meinber x is 7 and the value of the datamember z is 107a. Secret secretObject = new Secret (7, 10);b. Secret secretObject = new Secret (10, 7);C. Secret secretObject (7);d. Secret.secretObject (10);58. How many finalizers can a class have?a. 01C. 2d. Any numberb.59. Which of the following words indicates an object's reference to itself?c. publicd. protecteda.thisb.that 49. Consider the following class definition.public class Cylinder}private double baseRadius;private double height;public Cylinder ()baseRadius = 0;height = 0;public Cylinder (double 1, double h)}baseRadius - 1;height = h;{public void set (double r, double h)}baseRadius = r;height = h;{public String toString ()}return (baseRadius + It n+ height);{public double SurfaceArea ()return 2 * 3.14 * baseRadius height;public double volume ()}return 3.14 baseRadius * baseRadius * height;{Which of the following statements correctly instantiates the Cylinder object myCylinder?(i) Cylinder mycylinder = new Cylinder (2.5, 7.3) :(ii) class Cylinder myCylinder = new Cylinder (2.5, 7.3);(ii) myCylinder new Cylinder (2.5, 7.3);%3Da. Only (i)b. Only (i)c. Only (iüi)d. Both (ii) and (ii)

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Answered: 58. How many finalizers can a class…

58. How many finalizers can a class have? - a. C. 2 d. Any number b. 1 59. Which of the following words indicates an object's reference to itself? - this c. public d. protected a. b. that

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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