Answered: Please add comments to my code. Thank…

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

Please add comments to my code. Thank you

import javax.swing.*;

/* Outputs the table to a Dialog box */
class multiplication {
public static void main(String args[]) {
String table = "";
String sizeStr = "Input the size of the multiplication table:";
int size;
sizeStr = JOptionPane.showInputDialog(null, sizeStr);
size = Integer.parseInt(sizeStr);
if (size <= 0) {
JOptionPane.showMessageDialog(null, "No output for value <= 0.");
} else {
// header
table += " ";
for (int i = 0; i < size; i++) {
table += (i+1);
table += " ";
}
table += "\n";

// table
for (int i = 1; i <= size; i++) {
for (int j = 1; j <= size; j++) {
table += (i * j);
table += " ";
}
table += "\n";
}
JOptionPane.showMessageDialog(null, table);
}
System.exit(0);
}// end main method
}// end class

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