Given the following class definition, public class Pen { private String name; public Pen(String n) { name = n; } @Override public String toString() { return this.name + "-"; } } public class Brush extends Pen { private int ink; public Brush(String n, int m) { super(n); ink = m; } @Override public String toString() { return super.toString() + this.ink + "-"; } } What is the output of the following program? Brush fluffy = new Brush("Fluffy", 5); System.out.print(fluffy); If there is no output, please specify "nothing" (no quotes) in the blank for the output. No hand written and fast answer with explanation

Given the following class definition, public class Pen { private String name; public Pen(String n) { name = n; } @Override public String toString() { return this.name + "-"; } } public class Brush extends Pen { private int ink; public Brush(String n, int m) { super(n); ink = m; } @Override public String toString() { return super.toString() + this.ink + "-"; } } What is the output of the following program? Brush fluffy = new Brush("Fluffy", 5); System.out.print(fluffy); If there is no output, please specify "nothing" (no quotes) in the blank for the output. No hand written and fast answer with explanation

Programming Logic & Design Comprehensive

9th Edition

ISBN:9781337669405

Author:FARRELL

Publisher:FARRELL

Chapter10: Object-oriented Programming

Section: Chapter Questions

Problem 16RQ

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public class Cat extends Pet { private String breed; public void setBreed(String userBreed) { breed = userBreed; } public String getBreed() { return breed; }} public class Pet { protected String name; protected int age; public void setName(String userName) { name = userName; } public String getName() { return name; } public void setAge(int userAge) { age = userAge; } public int getAge() { return age; } public void printInfo() { System.out.println("Pet Information: "); System.out.println(" Name: " + name); System.out.println(" Age: " + age); } } import java.util.Scanner; public class PetInformation { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); // create a generic Pet and a Cat Pet myPet = new Pet(); Cat myCat = new Cat(); // declare variables for pet and cat info String petName, catName, catBreed; int petAge,…
class Param3 { public int x; private void increase(int p) { x = x*p; } public void calculateX(int y) { increase(y); } public int getX() { return x; } } // in another class Param3 q3 = new Param3(); q3.x = 5; q3.calculateX(7); System.out.println(q3.getX()); what would be the answer for the last two lines ? also above were x = x*p do both x in here are the fields? wouldn't that be cnofusing?
public class Car { public void m1() { System.out.Rrintln("car 1"); } public void m2() { super.m1(); } public void m2() { Sustem.out.printla("car 2"); } public String toString() { return super toString() + super toString(); } public String toString() { return "vroom"; } } Create a client class and add the following statements. What is the output? Is it the same as you expected? public class Truck extends Car { public void m1() { System.out.Rrintin("truck 1"); } Truck mytruck = new Truck (); Sustem.out.printinlaxtruckl: // Output: mytruck.m1(); mytruck.m2(); // Output: // Output:
class Point { private: int x, y ; public: : x(u), y(v) {} Point (int u, int v) int getX) { return x; } int getY () { return y; } void doubleVal() { *= 2: y *= 2; } }; int main () { const Point myPoint (5, 3) myPoint.doubleVal() ; cout << myPoint.getX() << " " return 0; << myPoint.getY() << "\n"; }
complete the missing code. public class Exercise09_04Extra { public static void main(String[] args) { SimpleTime time = new SimpleTime(); time.hour = 2; time.minute = 3; time.second = 4; System.out.println("Hour: " + time.hour + " Minute: " + time.minute + " Second: " + time.second); } } class SimpleTime { // Complete the code to declare the data fields hour, // minute, and second of the int type }
Computer Science
public class MyGenClass { private T1 name; private T2 stulD; private T3 CGPA; public void setStuData( ){ I/ parameters name = n; stulD = d: CGPA = g; } public void printAsString() { System.out.println( } ); I/ print all information as string public static void main(String args||) { Il Create an object stu by parameters String, Integer, Double Il Call setStuData() with any values you like /l Call printAsString() } }
public class MyGenClass { private T1 name; private T2 stulD; private T3 CGPA; public void setStuData( ){ l parameters name = n; stulD = d: CGPA = g; public void printAsString() { System.out.printin( '): # print all Information as string public static void main(String args||) { Il Create an object stu by parameters String, Integer, Double II Call setStuData() with any values you like Il Call printAsString()
class Animal { public String toString() { return "Animal"; } } class Mammal extends Animal { public String g() { return "Mammal g"; } public String f() { return "Animal f"; } } public String g() { return "Animal g"; } class Dog extends Mammal { public String f() { return "Dog f"; } } } class Reptile extends Animal { public String toString() { return "Reptile"; } class Lizard extends Reptile { public String g() { return "Lizard g"; } } Select True if the following declarations are legal, False otherwise: Lizard Godzilla = new Reptile(); [Select] Animal Simba= new Mammal(); [Select] Reptile Rango Animal []Ark = new Lizard(); [Select] = ↔ {new Animal(), new Reptile(), new Lizard()}; [Select] Lizard []Hatchlings = {new Animal(), new Reptile(), new Lizard()}; [Select]
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); %3D a. Only (i) b. Only (i) c. Only (iüi) d. Both (ii) and (ii)
public class Person { private String personID; private String firstName; private String lastName; private String birthDate; private String address; public Person(){ personID = ""; firstName = ""; lastName = ""; birthDate = ""; address = ""; } public Person(String id, String first, String last, String birth, String add){ setPerson(id,first,last,birth,add); } public void setPerson(String id, String first, String last, String birth, String add){ personID = id; firstName = first; lastName = last; birthDate = birth; address = add; } public String getFirstName(){ return firstName; } public String getLastName(){ return lastName; } public String getBirthdate(){ return birthDate; } public String getAddress(){ return address; } public void print(){ System.out.print("\nPerson ID = " + personID); System.out.print("\nFirst Name = " +firstName); System.out.print("\nLast Name = " +lastName); System.out.print("\nBirth Date = " +birthDate); System.out.print("\nAddress = " +address); } public String…
public class Person { private String personID; private String firstName; private String lastName; private String birthDate; private String address; public Person(){ personID = ""; firstName = ""; lastName = ""; birthDate = ""; address = ""; } public Person(String id, String first, String last, String birth, String add){ setPerson(id,first,last,birth,add); } public void setPerson(String id, String first, String last, String birth, String add){ personID = id; firstName = first; lastName = last; birthDate = birth; address = add; } public String getFirstName(){ return firstName; } public String getLastName(){ return lastName; } public String getBirthdate(){ return birthDate; } public String getAddress(){ return address; } public void print(){ System.out.print("\nPerson ID = " + personID); System.out.print("\nFirst Name = " +firstName); System.out.print("\nLast Name = " +lastName); System.out.print("\nBirth Date = " +birthDate); System.out.print("\nAddress = " +address); } public String…