Assuming that a class with the main method exists and a reference variable and object have been created using: Question q = new True False (); What is printed out from the following statement: double x = q.half (20) ; System.out.println(x); O a) 20 40.0 b) 40 20.0 O c) 30 15.0
Assuming that a class with the main method exists and a reference variable and object have been created using: Question q = new True False (); What is printed out from the following statement: double x = q.half (20) ; System.out.println(x); O a) 20 40.0 b) 40 20.0 O c) 30 15.0
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
Question
![Assuming that a class with the main method exists and a reference variable and
object have been created using: Question q
new True False ();
What is printed out from the following statement:
double x = q.half (20) ;
System.out.println
(x);
a) 20
40.0
b) 40
20.0
c) 30
15.0
Search
LOD
1
G
H
69](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F46019e4a-f0f0-48fb-afa2-89c17073743a%2F7b4748e1-dba2-47d1-9359-e81df5674c70%2Fwynpjsd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Assuming that a class with the main method exists and a reference variable and
object have been created using: Question q
new True False ();
What is printed out from the following statement:
double x = q.half (20) ;
System.out.println
(x);
a) 20
40.0
b) 40
20.0
c) 30
15.0
Search
LOD
1
G
H
69
![In this section, please refer to the following classes to answer the questions.
public class Question
}
public Question() {
this (5);
}
System.out.println("Q");
public Question(int n) {
System.out.println("Q" + n);
public int points (int n) {
System.out.println(n);
return n + 10;
public double half(int n) {
return points (n / 2);
public class TrueFalse extends Question
public TrueFalse() {
}
}
public TrueFalse(String s) {
super(s.length());
System.out.println(s);
}
System.out.println("TF");
public int points (int n) {
n += 20;
}
System.out.println(n);
return n;
Question 4 (2 points) ✓ Saved
Assuming that a class with the main method exists and a reference variable and
chiert have been created using Question c
MOR TrucF10/1.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F46019e4a-f0f0-48fb-afa2-89c17073743a%2F7b4748e1-dba2-47d1-9359-e81df5674c70%2Fcivcrq8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In this section, please refer to the following classes to answer the questions.
public class Question
}
public Question() {
this (5);
}
System.out.println("Q");
public Question(int n) {
System.out.println("Q" + n);
public int points (int n) {
System.out.println(n);
return n + 10;
public double half(int n) {
return points (n / 2);
public class TrueFalse extends Question
public TrueFalse() {
}
}
public TrueFalse(String s) {
super(s.length());
System.out.println(s);
}
System.out.println("TF");
public int points (int n) {
n += 20;
}
System.out.println(n);
return n;
Question 4 (2 points) ✓ Saved
Assuming that a class with the main method exists and a reference variable and
chiert have been created using Question c
MOR TrucF10/1.
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