// ArraySort Example

// Sort an array of Person objects using
// Arrays.sort.  Note that both printArray and
// Arrays.sort work for arrays containing 
// arbitrary objects.

import java.util.Arrays;
public class ArraySort
{
    public static void main(String[ ] args)
    {
        Person[ ] p = { new Person("Chloe", 'F', 27),
                      new Person("Brandon", 'M', 18),
                      new Person("Susan", 'F', 34),
                      new Person("Larry", 'M', 35),
                      new Person("Alice", 'F', 23),
                      new Person("David", 'M', 29),
                      new Person("Judy", 'F', 19) };

        // Print original array.
        printArray(p);

        // Sort array.
        Arrays.sort(p);

        // Print sorted array.
        printArray(p);
    }

    public static void printArray(Object[ ] a)
    {
        for(int i = 0; i < a.length; i++)
            System.out.println(a[i]);
        System.out.println( );
    }
}