In the Test class as shown below, there are a total of () constructors. public class Test{ private int x; public Test(){ x=35; }
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A: Selection sort algorithm is a sorting algorithm that works by repeatedly finding the minimum element…
Q: Recursion tree metho T(n)= T(n/5)+T(7n/10)+n
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A: Solution: Given, Determine which data security best practices should be put into action. (Digital…
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A: a) The given function is a recursive function. This is because the function calls itself in the…
Q: Explain "authentication challenge-response system." Password-based systems are less secure.
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Q: Gateway addresses are often associated with 0.0.0.0/0 routing table entries:
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Q: Assess information security risks and attacks. Show proof.
A: The solution is given in the below step.
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A: The answer is given in the below step
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A: Below is the program:
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Q: Provide a working definition of the word "information security."
A: The answer is given in the below step
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A: the ways hacker can steal the identity and ways to prevent it is given below with explanation
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A: Answer:
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Q: What security benefits and drawbacks do various authentication techniques have?
A: Introduction: Authentication is the process of confirming that someone or something is who or what…
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A: Answer:
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Q: How should companies respond when they learn of vulnerabilities in their security systems?
A: How should companies respond when they learn of vulnerabilities in their security systems answer in…
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Q: Explain "authentication challenge-response system." Password-based systems are less secure.
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
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- public class Secret private int x; private static int y; public static int count; public int z; public Secret () } X ?t = 2 { public Secret (int a) } { public Secret (int a, int b) } { public String toString() return ("x = " count = " + count); { public static void incrementY () { { 54. How many constructors are present in the class definition above? C. 2 d. 3 b. 1 55. What does the default constructor do in the class definition above? a. Sets the value of x to 0 c. Sets the value of x to 0 and the value of z to 1 d. There is no default constructor. b. Sets the value of z to 1 56. Based on the class definition above, which of the following statements is illegal? Secret.incrementY (); b. Secret.count++3B a. c. Secret. 2++; d. None of these 13For the following four classes, choose the correct relationship between each pair. public class Room ( private String m type; private double m area; // "Bedroom", "Dining room", etc. // in square feet public Room (String type, double area) m type type; m area = area; public class Person { private String m name; private int m age; public Person (String name, int age) m name = name; m age = age; public class LivingSSpace ( private String m address; private Room[] m rooms; private Person[] m occupants; private int m countRooms; private int m countoccupants; public LivingSpace (String address, int numRooms, int numoccupants) m address = address; new int [numRooms]; = new int [numOceupants]; m rooms %3D D occupants m countRooms = m countOccupants = 0; public void addRoom (String type, double area)26. Assume the declaration of Exercise 24. A. Write the statements that derive the class dummyClass from class base as a private inheritance. (2 lines are { and }.) "A1 is { "A2 is "A3 is )) B. Determine which members of class base are private, protected, and public in class dummyClass. "B1 is dummyClass is a de
- Consider the following code segment and answer questions 14 and 15. class Point { public: Point (double x = -99, double y = -99) { this -> xM = x; this -> yM = y;} double getx () {return xM; } double gety () {return yM; } void setx (double x) {this -> xM = x; } void sety (double y) {this -> yM = y; } private: double xM, yM; }; 14. What is the output of the following code snippet: Point pl (100); cout << pl.getx() << " " << pl.gety(); a. The output of the program is: -99 -99 b. The output of the program is: 100 100 c. The output of the program is: -99 100 d. The output of the program is: 100 -99 e. None of the above. It doesn't compile because constructor of Point needs two arguments. 15. How many times does the constructor of class Point get called by the following code snippet: Point a (100, 200); Point b[6]; Point *c = new Point; Point *d = new Point (300, 400); a. Four times b. Three times c. Nine times d. Two times e. None of the aboveclass Student { private int age = 18; public Student() { age = 19; } } public class Test { public static void main (String[] args){ Student s = new Student(); System.out.println (s.age); } }Identify errors if there is any & after identifying rewrite the code: public class Employce { private String name; private String address; private int number; public abstract double computePay(){ System.out.println("compute the pay"); return 0.0; } public double thanks(){ System.out.println("Thanks");}} public class EmployeeCheck Extends Employee{ public double computePay(){ return number*numer;}}
- pleaseComputer Science Write a compareTo () method for this Student class. public class Student { private String name; private int id; private double gpa; } write it for the srudent class , best of you ablityclass Vehicle{String s = "This is my vehicle" ;}class Car extends Vehicle{String s = "This is my car" ;{System.out.println( super .s);}} class Truck extends Car{String s = "This is my truck" ;{System.out.println( super .s);}}public class MainClass{public static void main(String[] args){Truck t = new Truck ();System.out.println(t.s);}}
- 5 points Save Answer QUESTION 4 What is printed? public class Puppy { private int puppyAge; private String puppyName; Puppy(String name){ puppyName = name ;} public void setAge( int age ) { puppyAge = ++age; } public int getAge(){ return puppyAge; } %3D public class TestPuppy{ public static void main(String []args) { Puppy myPuppy = new Puppy( "tommy" ); myPuppy.setAge( 2 ); System.out.print("Puppy's age is :" + myPuppy.getAge()); System.out.print(" %3D Name chosen is :" + myPuppy.puppyNname ); D Puppy's age is : 2 Name chosen is : tommy Puppy's age is : 3 Name chosen is : tommy O Syntax Error O Run Time Error Save All Answers Close Window Save and Submit - Save and Submit to save and submit. Click Save All Answers to save all answers. MacBook Pro 888 ES F6 F3 96 7/* TestCarSensor.java - program to test the CarSensor class.*/public class TestCarSensor{public static void main (String[] args){CarSensor generic = new CarSensor();CarSensor tempCel = new CarSensor("temperature sensor", -50, +300, "C"); CarSensor speed = new CarSensor("speed sensor", 0, 200, "km/h"); CarSensor speed2 = new CarSensor("speed sensor 2", 0, 200, "m/h"); // 2. test changing desc and limitsSystem.out.println ();System.out.println ( generic ); // display generic sensor (zero)generic.setDesc ("special sensor"); // change descriptiongeneric.setLimits (-5,5,"units"); // change limitsSystem.out.println ( generic ); // display generic sensor again// 3. test displaying object (calling .toString() )System.out.println ();System.out.println ( tempCel );System.out.println ( speed );System.out.println ( speed2 );// 4. test setlimits() ruleSystem.out.println ();System.out.println ( generic ); generic.setLimits (10, -10, "blah"); System.out.println ( generic ); generic.setLimits (-10,…public class Number { private int num; public Number(int n) { num = n; } /* Type your code here */ public int getNum() { return num; } public void setNum(int n) { num = n; } public static void main(String [] args) { Number yourNum = new Number(723); System.out.print(yourNum); }}