Given the definition of the Person and Student classes below,public class Personpublic String m name;protected int m age;public Person(String name, int age) (m namename:m age age:public int getAge (){return m age;public class Student extends Personprivate double m gpa:public Student (String name,int age, double gpa) (m goe gpa:( u) zadnspublic veid decrEnentAge ()m age--7and the following statements:Person p- sew Person("Joe Dae", 25):Student s - new Stuadent (Jans Doe", 20, 3.45);Strine name;nt ageindicate which of the following statements are lilegalL and which are legal.p.decrementAge0:age - D.getAgeage = s getAgetjename p.m name:2 legalsdecrementAgel.gpa 5.m. gpa.000000

According to the information given:- We have to find the appropriate choose .

Given the definition of the Person and Student classes below, public class Person{ public String m name; protected int m age; public Person (String name, int age) ( m name name; m age age; public int getAge () { return m age; 1. public class Student extends Person { private double m gpa: public Student (String name, int age, double gpa) super (name, age): m gpa gpa; public void decrementAge () m age--; and the following statements: Person p - new Person ("Joe Doe", 25): Student s - new Student ("Jane Doe", 20, 3.45): String name: int age: indicate which of the following statements are lilegal. and which are legal. p.decrementAge): age p.getAge age - s.getAget 1 legal name p.m name. 2 legal sdecrementAgel. gpa S.mEDa 00

Given the definition of the Person and Student classes below, public class Person{ public String m name; protected int m age; public Person (String name, int age) ( m name name; m age age; public int getAge () { return m age; 1. public class Student extends Person { private double m gpa: public Student (String name, int age, double gpa) super (name, age): m gpa gpa; public void decrementAge () m age--; and the following statements: Person p - new Person ("Joe Doe", 25): Student s - new Student ("Jane Doe", 20, 3.45): String name: int age: indicate which of the following statements are lilegal. and which are legal. p.decrementAge): age p.getAge age - s.getAget 1 legal name p.m name. 2 legal sdecrementAgel. gpa S.mEDa 00

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

Related questions

Q: Parent Class: Food Write a parent class called Food. A food is described by a name, the number of…

A: 1. Declare a public class named "Food".2. Define private instance data variables: name (String),…

Q: Find the error in each of the following code segments: // Superclasspublic class Vehicle{private…

A: Given : Find the error in each of the following code segments: // Superclasspublic class…

Q: class Animal { public String toString() { return "Animal"; } public String f() { return "Animal f";…

A: The solution is provided in the next step.

Q: Study the following class interface for the class Aeroplane: class AeroPlane { public: void…

A: The `AeroPlane` class is designed to model essential characteristics of an airplane, namely its…

Q: (this is question1) public abstract class Shape { public Shape() { } public abstract…

A: Here we have an abstract class shape that has an abstract method and one method that returns the…

Q: elow is a basic class for court house employees. public class CourtEmpls { private String fname; //…

A: Solution: Given,

Q: Code: interface Bicycle{ //interface for bicycle void changeGear(int val); //abstract…

A: Solution is given below-

Q: 1 Description of the Program In this assignment, you will make two classes, FullTime Employee and…

A: As per the given question, given the Employee class, we need to implement FullTimeEmployee,…

Q: /** Represents a car. */ public class Car // TODO: Inherit from Vehicle { // Do NOT add any…

A: Description: In the constructor of Car class, call the superclass constructor with the purchasePrice…

Q: Consider the following Engine class: public class Engine { private int horsePower; private…

A: The e complete code is given below with output .

Q: public class Team { private String name; private int wins, int losses; public…

A: Program Approach: In the given code a class "Team" is declared that defines one string "name"…

Q: 4. Given the following class definitions: public class SeaCreature { public void method1()…

A: The given code segment consists of several class definitions, including SeaCreature, Mammal, Whale,…

Q: Which of the following best explains why the getAge method will NOT work as intended?

A: In function you can see the getter (accessor) is getAge and it is returning the weight. but for…

Q: Explain Order of public and private Members of a Class.

A: Private members of the class: The keyword “private” is used to declare the private class members.…

Q: Just what are "static members" of a class? When and how should you use them, exactly?

A: The process of creating a set of instructions that tells a computer how to perform a task is known…

Q: 1. Assume the following: class Complex { public: Complex(int, int); //initializes the private…

A: ANS: - Option(b) is correct. that is, No, you will get a compiler error.

Q: 5 Select one or more options from the list cat.getAge(); O cat.getName(); cat.getColor();…

A: Explanation: I have created a main class to for compiling this program, The methods that are in…

Q: Conver the class To UML diagram class Clint { private String accNumber; private…

A: The given problem is related to UML designing where the Java code is given having 2 classes and the…

Q: List the differences between CommissionEmployee class and BasePlusCommissionEmployee class public…

A: #include 4 using std::cout; 5 6 #include "CommissionEmployee.h" // CommissionEmployee class…

Q: Given a base Plant class and a derived Flower class, complete main() to create an ArrayList called…

A: Algorithm:Create an empty ArrayList called myGarden to hold Plant or Flower objects.Initialize an…

Question

100%

Given the definition of the Person and Student classes below,
public class Person
public String m name;
protected int m age;
public Person(String name, int age) (
m name
name:
m age age:
public int getAge (){
return m age;
public class Student extends Person
private double m gpa:
public Student (String name,
int age, double gpa) (
m goe gpa:
( u) zadns
public veid decrEnentAge ()
m age--7
and the following statements:
Person p- sew Person("Joe Dae", 25):
Student s - new Stuadent (Jans Doe", 20, 3.45);
Strine name;
nt age
indicate which of the following statements are lilegalL and which are legal.
p.decrementAge0:
age - D.getAge
age = s getAget
je
name p.m name:
2 legal
sdecrementAgel.
gpa 5.m. gpa.
000000

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions

I have the following code: public class Length{ private int feet; private int inches; Length() { feet = inches = 0; } Length(int newFeet, int newInches) { feet = newFeet; inches = newInches; } public int getFeet() { return feet; } public void setFeet(int newFeet) { feet = newFeet; } public int getInches() { return inches; } public void setInches(int newInches) { inches = newInches; } public void add(Length otherLength) { int newFeet = this.feet + otherLength.feet; int newInches = this.inches + otherLength.inches; if(newInches >= 12) { newFeet++; newInches -= 12; } this.setFeet(newFeet); this.setInches(newInches); } public Length subtract(Length otherLength) { if(this.feet > otherLength.feet) { int newFeet = feet - otherLength.feet; int newInches = inches - otherLength.inches;…
It is possible to express the relationship that exists between classes and objects.
Incorrect Question 4 Consider public class Species { } // fields private String name; private int population; private double growthRate; // constructor public Species () { } name = "No Name Yet"; population = 0; growthRate = 33.3; Which of the following is the best setter method for the population instance variable? public boolean setPopulation(int newPopulation) { } if (newPopulation>= 0) { } population = newPopulation; return false; } return true; public public void setPopulation (int newPopulation) if (newPopulation>= 0) { } population newPopulation; public void setPopulation (int newPopulation) { population } = newPopulation;
Please include java doc comment
class IndexItem { public: virtual int count() = 0; virtual void display()= 0; };class Book : public IndexItem { private: string title; string author; public: Book(string title, string author): title(title), author(author){} virtual int count(){ return 1; } virtual void display(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };class Category: public IndexItem { private: /* fill in the private member variables for the Category class below */ ? int count; public: Category(string name, string code): name(name), code(code){} /* Implement the count function below. Consider the use of the function as depicted in main() */ ? /* Implement the add function which fills the category with contents below. Consider the use of the function as depicted in main() */ ? virtualvoiddisplay(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };
Consider the following classes: public class Animal { public Animal(String itsName) { name = itsName; } public void setName(String itsName) { name = itsName; } public String getName() { return name; } private String name; } public class Dog extends Animal { public Dog(String itsName) { super(itsName + “Dog”); sound = “Bark!”; } public void setSound(String itsSound) { sound = itsSound; } public String getSound() { return (getName(0) + sound); } public String getName(int choice) { if(choice > 0) return super.getName(); else return “AnyDog”; } public String getName() { return super.getName() + “OK”; } private String sound; } In addition, the following lines of code has been placed in a main class public static void main(String[] args) { Animal a1 = new Animal(“Tweety”); Animal a2 = new Dog(“Rover”); Dog d1 = new Dog(“Spot”); . . . . } Give the values of the following expressions. If an expression is erroneous,…
public class Cylinder { public void smoothen() { } } } public abstract class Vessel implements Steerable { private Engine e; } System.out.println("Smoothening.."); public Engine getEngine() { return e; } public void setEngine (Engine e) { this.e = e; } public abstract void turnOn(); public class Engine { private Cylinder [] y; private int cyls = 1; static final int maxCylinders = 12; public void addCylinder (Cylinder y) { if (cyls
Finish the constructor for the KickBall class. public class Ball { public double diameter; public Ball(double diam) { diameter = diam; public class KickBall extends Ball private Color ballColor; public KickBall(double diam, Color ballColor) {
"CommissionEmployee" class: package commissions; import employees.Employee; public class CommissionEmployee extends Employee { private double gross_sales; private double rate; public CommissionEmployee(String fname, String lname, String SSN, double gross_sales, double rate) { super(fname, lname, SSN); this.gross_sales = gross_sales; this.rate = rate; } public double getGross_sales() { return gross_sales; } public void setGross_sales(double gross_sales) { this.gross_sales = gross_sales; } public double getRate() { return rate; } public void setRate(double rate) { this.rate = rate; } public double earnings() { return gross_sales*rate; } @Override public String toString() { return super.toString()+"[gross_sales=" + gross_sales + ", rate=" + rate + "]"; } } Update the code in JAVA to include the following: "BasePlusCommissionEmployee" class that inherits from "CommissionEmployee" class. A BasePlusCommissionEmployee has a…
public abstract class Shape { public Shape() { } public abstract double area() ; public String who() { return "Shape" ; } } public class Circle extends Shape { private int radius ; public Circle( int r ) { radius = r ; } @Override public double area() { return Math.PI * radius * radius ; } } public class Square extends Shape { private int _sideLength ; public Square( int sideLength ) { /* TODO question 45 */ } @Override public double area() { return _sideLength * _sideLength ; } } Implement the Square constructor, and make sure it throws an exception when the input parameter is not a valid length. The input parameter must be positive to be considered valid.