Q: Write down an abstract class Time1 having attributes (hours, minutes, seconds), containing no argument constructor, 3 argument constructor. Write down an abstract function time() that increments seconds by 1 if seconds are equal to 60 then increment minutes by 1 and set seconds to 0. If minutes become equal to 60 then increment hours by 1 and set minutes to 0. Write a function that compare 2 time objects and return true if they are equal otherwise returns false.

Q: to develop a Class Student as given below:  Student has RegNo, Name and Marks as Data members …

A: EXPLANATION Create class Student and declare RegNo, Name, and Marks as private. Generate getter and…

Q: 1). Write a java abstract class called Solid and you will derive two classes – Cylinder and Sphere –…

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Q: Differentiate between abstract and concrete classes. Give examples from the scenario above

A: Please refer below for your reference:  abstract and concrete classes differences are below:…

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A: InheritanceWhen one object acquires all the properties and behaviors of a parent object, it is known…

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Q: Define an abstract class LivingBeing. Define abstract methods breath, sleep, eats. Define Subclasses…

A: Sample Response: //Abstract class definitionabstract class LivingBeing{  //Abstract methods  public…

Q: An unspecified data type can be used for both the parameters and the return type just for abstract…

A: All variables  must have a data type. So option 1,3, and 4 are incorrect

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A: Answer the above question are as follows

Q: Java Programming Question#2:…

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A: public class Main{ public static void main(String[] args) {          Exam e=new…

Q: When should one use an abstract class, when should one use an interface, and when should one use…

A: Introduction: Abstract reasoning, sometimes referred to as abstract thinking, is the capacity to…

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A: EXPLANATION: An abstract class is basically the class that is declared as abstract during the time…

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A: Please find the code and output below

Q: When should one use an abstract class, when should one use an interface, and when should one use…

A: firstly difference between abstract class and interface? Abstract Class : An abstract class can…

Q: Write a java program to create any number of classes with one controlling class to implement…

A: PROGRAM CODE:   import java.io.*;import java.util.*;abstract class Employee{String name;int…

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A: Given:

Q: When should one use an abstract class, when should one use an interface, and when should one use…

A: Introduction: Abstract reasoning, sometimes referred to as abstract thinking, is the capacity to…

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A: Introduction: Class is one of the concepts in the object-oriented programming paradigm and it’s…

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A: NOTE - I have used the Java programming language. Here I have created all the classes and interface…

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A: #include <iostream> using namespace std; class Student_Info{ int roll_number; char…

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A: Abstract class :- Class that is declared abstract is known as abstract class it can have both…

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A: In this implementation, the variables for suit, face value, and isDrawn are made private because we…

Q: If you could solve please contact me to send continuation of the task

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A:

Q: Java Program(OOP)

A: class pet{ string name; string gender; string sound }; class dog::pet{ sound="woof"; };

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A: So lets determine the information that we have from the above question : Abstract class - Vacation ,…

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A: Interface : is used to achieve abstraction, it contains only constant variables and abstract methods…

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A: -----------------------------------------Person.java------------------------------------   public…

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Q: Please give me correct solution.

A: a) false. A class that is declared with the abstract keyword is known as an abstract class. All…

Q: parent's

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A: EXPLANATION: - The abstract class capstone is placed in Package1. This class comprises of protected…

Q: When should one use an abstract class, when should one use an interface, and when should one use…

A: the solution is an given below ;