Sorting Boxes

The class Box implements Comparable, so an array of Box references can use the method. Here is the previous program, now done with sort():

import java.util.*;

public class ArrayBoxSort
{
 
  public static void main ( String[] args )
  {
    Box[] boxArray = 
      { new Box( 1.0, 2.3, 2.7),  new Box( 1.0, 4.9, 3.2), new Box( 3.0, 1.3, 2.7),
        new Box( 3.0, 0.1, 4.67), new Box( 1.3, 1.3, 1.3), new Box( 4.0, 2.3, 1.7),
        new Box( 2.2, 2.1, 1.67), new Box( 2.3, 7.3, 6.3), new Box( 2.0, 3.3, 5.3) 
      };
    
    // print out the array
    System.out.println("Before: "); 
    for ( Box box : boxArray )
      System.out.println( box ); 
    System.out.println( );
    
    // sort the array
    Arrays.sort( boxArray );
  
    // print out the array
    System.out.println("After: "); 
    for ( Box box : boxArray )
      System.out.println( box ); 
    System.out.println( );
 
   }
}