complete the dry run , state what is printed by the code and justify with step by step explanation of the execution of the code (iii) Scanner scanner - new Scanner (System.in);boolean done - false;int num= -1;while (!done) (}System.out.print("Enter a number: ");String read - scanner.nextLine();// isInteger returns true/false accordinglyif (isInteger (read)) {}num - Integer.parseInt (read);done true;// 12// 13// 14// 15// L6// 17// 18// 19System.out.println("Read: " + num);// L10Reminder: Integer.parseInt converts a numerical string to an int.For this question, assume:• is Integer is a method that returns true if the argument corresponds to aninteger, else false. E.g.,isInteger ("42") returns true.isInteger ("42a") returns false.• The code is executed with the following keyboard input by the user:42a [Enter] 42 [Enter]where [Enter] means one press of the standard Return/Enter key. Complete the dry run table (you may not need all rows).A column for scanner is omitted intentionally. You may start from line L2.LINE done num! done? read is Integer (read) ?Printed

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tate what is printed by the code and justify with step by step explanation of the execution of the code

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

complete the dry run , state what is printed by the code and justify with step by step explanation of the execution of the code

(iii) Scanner scanner - new Scanner (System.in);
boolean done - false;
int num= -1;
while (!done) (
}
System.out.print("Enter a number: ");
String read - scanner.nextLine();
// isInteger returns true/false accordingly
if (isInteger (read)) {
}
num - Integer.parseInt (read);
done true;
// 12
// 13
// 14
// 15
// L6
// 17
// 18
// 19
System.out.println("Read: " + num);
// L10
Reminder: Integer.parseInt converts a numerical string to an int.
For this question, assume:
• is Integer is a method that returns true if the argument corresponds to an
integer, else false. E.g.,
isInteger ("42") returns true.
isInteger ("42a") returns false.
• The code is executed with the following keyboard input by the user:
42a [Enter] 42 [Enter]
where [Enter] means one press of the standard Return/Enter key.

Complete the dry run table (you may not need all rows).
A column for scanner is omitted intentionally. You may start from line L2.
LINE done num
! done? read is Integer (read) ?
Printed

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