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
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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
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.
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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