Lecture 3/4 sample 1 Skeleton.java

//package dawson112.labexercises; // the folders which contain .java file wrt H:

import javax.swing.JOptionPane; // required to use a JOptionPane for input from user

/**
 *   Here you put a short explanation of the purpose of your code.
 *   This is a javadocs comment. Always have one of these comments in front of every
 *   class and method. Use extra * before every line and indent for the comment to look nice!
 *
 *   @author: your name
 *   @version: date
 */

// A class header. The class name is same as filename
// A class is delimited by brace brackets
public class Skeleton {

    // main method is required
    // Methods are also delimited by brace brackets
    public static void main(String[] args) {

            // Code within the main method is indented for readability.
            // You can also add blank lines for readability
            // Usually start by declaring any variables. Syntax is: type variableName;

            int number;
            String inputString; //used with JOptionPane for user input in text

            // Accepting number input with JOptionPane has two steps
            // 1- get the input into a string
            // 2- convert the string to the data type that you asked for

            inputString = JOptionPane.showInputDialog("Enter a whole number: ");
            number = Integer.parseInt(inputString);

            // Once you have all your input, do your calculations.
            // Display the results to the user.
            // Syntax is System.out.println("blah blah: "+ resultVariable);

            System.out.println("You entered: " + number);

        } // Brace to close the main method.

    // Braces should be aligned with the matching opening brace for readability

} // Brace to close the class