Homework Answers
1. FALSE
2.TRUE
An user defined class in java is like template for objects created.
3.B . public int age. It is public variable declaration
4.A public void set Name ()
As per the syntax of the method header - visbility|static| void|MethodName.
5.A Student.java has public class student in it.
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Part 1 of 1 Question 1 of 5 2Points Constant types defined under classes need to...
Question 1 1 pts Which of the following is not a valid class name in Java?...
Question 1 1 pts Which of the following is not a valid class name in Java? O MyClass MyClass1 My_Class MyClass# Question 2 1 pts Which of the following statements is False about instance variables and methods? Instance variables are usually defined with private access modifier. Instance variables are defined inside instance methods. Instance methods are invoked on an object of the class that contains the methods. A class can have more than one instance variables and methods. Question 3...
Inheritance and Polymorphism (use Pet.java) You are given a class named Pet.java. Create two child classes...
Inheritance and Polymorphism (use Pet.java) You are given a class named Pet.java. Create two child classes named Cat.java and Dog.java. Cat.java should add attributes for color and breed. Dog.java should add attributes for breed and size (use String for small, medium, large). Add appropriate constructors, getter/setter methods and toString() methods. In a separate file named PetDriver.java, create a main. In the main, create an ArrayList of Pet. Add an instance of Cat and an instance of Dog to the ArrayList....
I need code in java The Student class: CODE IN JAVA: Student.java file: public class Student...
I need code in java
The Student class:
CODE IN JAVA:
Student.java file:
public class Student {
private String name;
private double gpa;
private int idNumber;
public Student() {
this.name = "";
this.gpa = 0;
this.idNumber = 0;
}
public Student(String name, double gpa, int
idNumber) {
this.name = name;
this.gpa = gpa;
this.idNumber = idNumber;
}
public Student(Student s)...
LAB: Pet information (derived classes)
LAB: Pet information (derived classes)The base class Pet has private fields petName, and petAge. The derived class Dog extends the Pet class and includes a private field for dogBreed. Complete main() to:create a generic pet and print information using printInfo().create a Dog pet, use printInfo() to print information, and add a statement to print the dog's breed using the getBreed() method.Ex. If the input is:Dobby 2 Kreacher 3 German Schnauzerthe output is:Pet Information: Name: Dobby Age: 2 Pet Information: Name: Kreacher Age: 3 Breed: German SchnauzerPetInformation.javaimport java.util.Scanner; public class PetInformation { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); Pet myPet = new Pet(); Dog myDog = new Dog(); String petName, dogName, dogBreed; int petAge, dogAge; petName = scnr.nextLine(); petAge = scnr.nextInt(); scnr.nextLine();...
I need help converting the following two classes into one sql table package Practice.model; impor...
I need help converting the following two classes into one sql table package Practice.model; import java.util.ArrayList; import java.util.List; import Practice.model.Comment; public class Students { private Integer id; private String name; private String specialties; private String presentation; List<Comment> comment; public Students() {} public Students(Integer id,String name, String specialties, String presentation) { this.id= id; this.name = name; this.specialties = specialties; this.presentation = presentation; this.comment = new ArrayList<Commment>(); } public Students(Integer id,String name, String specialties, String presentation, List<Comment> comment) { this.id= id; this.name...
Please answer the following question with Java Modify the Employee and ProductionWorker classes provided below so...
Please answer the following question with Java Modify the Employee and ProductionWorker classes provided below so they throw exceptions when the following errors occur. - The Employee class should throw an exception named InvalidEmployeeNumber when it receives an employee number that is less than 0 or greater than 9999. - The ProductionWorker class should throw an exception named InvalidShift when it receives an invalid shift. - The ProductionWorker class should thrown anexception named InvalidPayRate when it receives a negative number...
public enum Rating { GENERAL(0), PARENTALGUIDANCE(1), MATURE(2);
public enum Rating { GENERAL(0), PARENTALGUIDANCE(1), MATURE(2); private int minAge; private Rating(int i) { minAge = i; } public int getMinAge() { return minAge; } public void setMinAge(int age) { minAge = age; } public String toString() { switch(this) { case GENERAL: return "G"; case PARENTALGUIDANCE: return "P"; case MATURE: return...
The following is for java programming. the classes money date and array list are so I are are pre...
The following is for java programming. the classes
money date and array list are so I are are pre made to help with
the coding so you can resuse them where applicable
Question 3. (10 marks) Here are three incomplete Java classes that model students, staff, and faculty members at a university class Student [ private String lastName; private String firstName; private Address address; private String degreeProgram; private IDNumber studentNumber; // Constructors and methods omitted. class Staff private String lastName;...
Using Python. 3) Create a single-linked list (StudentList) where the data in the link is an object of type pointer to Student as defined below. Note that you need to store and pass a pointer of type...
Using Python.
3) Create a single-linked list (StudentList) where the data in the link is an object of type pointer to Student as defined below. Note that you need to store and pass a pointer of type Student so that you do not create duplicate objects. Test your list with the provided program. You will find example code for a single-linked list of integers in Moodle that you can base your solution on. For your find methods, you can either...
Java questions QUESTION 8 Assume the following classes are each defined in their own java files...
Java questions
QUESTION 8 Assume the following classes are each defined in their own java files and compile public class A public void display { System.out.println("A's display"); public class B extends A{ public void display { System.out.println("B's display"); public class C extends A public void display { System.out.println("C's display"); public class D { public static void main(String args) { 3: int i = ((int)(Moth.random(* 10)) if (i == 0) a = new BO: else if (i == 1) a =...
Question 1 1 pts Which of the following is not a valid class name in Java? O MyClass MyClass1 My_Class MyClass# Question 2 1 pts Which of the following statements is False about instance variables and methods? Instance variables are usually defined with private access modifier. Instance variables are defined inside instance methods. Instance methods are invoked on an object of the class that contains the methods. A class can have more than one instance variables and methods. Question 3...
I need code in java
The Student class:
CODE IN JAVA:
Student.java file:
public class Student {
private String name;
private double gpa;
private int idNumber;
public Student() {
this.name = "";
this.gpa = 0;
this.idNumber = 0;
}
public Student(String name, double gpa, int
idNumber) {
this.name = name;
this.gpa = gpa;
this.idNumber = idNumber;
}
public Student(Student s)...
The following is for java programming. the classes
money date and array list are so I are are pre made to help with
the coding so you can resuse them where applicable
Question 3. (10 marks) Here are three incomplete Java classes that model students, staff, and faculty members at a university class Student [ private String lastName; private String firstName; private Address address; private String degreeProgram; private IDNumber studentNumber; // Constructors and methods omitted. class Staff private String lastName;...
Using Python.
3) Create a single-linked list (StudentList) where the data in the link is an object of type pointer to Student as defined below. Note that you need to store and pass a pointer of type Student so that you do not create duplicate objects. Test your list with the provided program. You will find example code for a single-linked list of integers in Moodle that you can base your solution on. For your find methods, you can either...
Java questions
QUESTION 8 Assume the following classes are each defined in their own java files and compile public class A public void display { System.out.println("A's display"); public class B extends A{ public void display { System.out.println("B's display"); public class C extends A public void display { System.out.println("C's display"); public class D { public static void main(String args) { 3: int i = ((int)(Moth.random(* 10)) if (i == 0) a = new BO: else if (i == 1) a =...
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