/**
 * Using an array as a parameter in a method.<br>
 * Call a method to input a date (3 integers: year, month and day
 * stored in array)<br>
 * Note: in terms of design, it would be better to define a Date class.<br>
 */

import uwcse.io.*;

public class ArrayAsAParameter {

    /**
     * Input and print a date. The input of the date is done
     * in an auxiliary private method.
     */
    public void inputAndPrintADate()
    {
        // date variables
        int year, month, day;

        // The above variables have primitives types
        // We can't modify them from within a method
        // Use an array instead
        int[] date = new int[3];
        // Read the date with the readDate method
        readDate(date);

        // To make it clearer, store the date in year, month and day
        year = date[0];
        month = date[1];
        day = date[2];

        // Print the date to check it
        System.out.println("Date is "+((month<10)?"0":"")+month+"/"+((day<10)?"0":"")+day+"/"+year);
    }

    /**
     * Store in the array the input of the date.<br>
     * The modifications to the array are visible within
     * inputAndPrintADate. This is because an array is an object.
     */
    private void readDate(int[] dateArray)
    {
        Input input = new Input();
        // Get the year and store it in the array (element 0)
        dateArray[0] = input.readInt("Enter the year: ");

        // Get the month and store it in the array (element 1)
        dateArray[1] = input.readInt("Enter the month: ");

        // Get the day and store it in the array (element 2)
        dateArray[2] = input.readInt("Enter the day: ");
    }
}