public class ClassA { private int id; } protected String secret; protected static int count public ClassA(String sec) { id = count; count++; secret = sec.trim(); } public String toString() { 11 return "id: " + id + ", secret: + secret; } public class ClassB extends ClassA { public ClassB() { super("007"); } } Which class is considered the parent class? 1; A. Class B B. main C. ClassA D. protected C privato
public class ClassA { private int id; } protected String secret; protected static int count public ClassA(String sec) { id = count; count++; secret = sec.trim(); } public String toString() { 11 return "id: " + id + ", secret: + secret; } public class ClassB extends ClassA { public ClassB() { super("007"); } } Which class is considered the parent class? 1; A. Class B B. main C. ClassA D. protected C privato
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
Related questions
Concept explainers
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:
Question

Transcribed Image Text:(2) 1. Consider the following classes:
public class ClassA {
private int id;
}
protected String secret;
protected static int count =
public ClassA(String sec) {
id = count;
count++;
secret sec.trim();
}
public String toString() {
return "id: " + id + ", secret: + secret;
11
}
public class ClassB extends ClassA {
public ClassB() {
super("007");
}
1;
}
Which class is considered the parent class?
A. ClassB
B. main
C. ClassA
D. protected
E. private
![(5) 3. The following driver class is written for the two classes in question 1.
class TestClass {
public static void main(String[] args) {
ClassB obj = new ClassB( );
System.out.println(obj);
ClassA obj2 = new ClassA("mysecret");
System.out.println(obj2);
}
What is the output that would be produced when this driver is run?
A.
O B.
C.
}
D.
id: 1, secret: 007
id: 1, secret: 007
id: 1, secret: 007
id: 2, secret: mysecret
id: 0, secret: mysecret
id: 1, secret: 007
id: 2, secret: 007
id: 1, secret: mysecret](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd70ce811-7ef1-402c-bf4e-4d7de267bc9d%2F7666b55b-3f7c-4ce5-a982-94403cfec636%2Fwro7unc_processed.png&w=3840&q=75)
Transcribed Image Text:(5) 3. The following driver class is written for the two classes in question 1.
class TestClass {
public static void main(String[] args) {
ClassB obj = new ClassB( );
System.out.println(obj);
ClassA obj2 = new ClassA("mysecret");
System.out.println(obj2);
}
What is the output that would be produced when this driver is run?
A.
O B.
C.
}
D.
id: 1, secret: 007
id: 1, secret: 007
id: 1, secret: 007
id: 2, secret: mysecret
id: 0, secret: mysecret
id: 1, secret: 007
id: 2, secret: 007
id: 1, secret: mysecret
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 7 steps with 2 images

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.Recommended textbooks for you

Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education

Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON

Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON

Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education

Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON

Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON

C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON

Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning

Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education