/**
 * A driver that can be used to test the Length class
 *
 * @author  Prof. David Bernstein, James Madison University
 * @version 1.0
 */
 public class Driver1
 {
    /**
     * The entry point of the application
     *
     * @param args   The command line arguments
     */
     public static void main(String[] args)
     {
	     	Length         billsHeight, growth, mikesHeight;

			mikesHeight = new Length(5, 5);
			billsHeight = new Length(5, 5);
	
			System.out.println("Age 12: ");
			printSummary("Mike", mikesHeight, "Bill", billsHeight);

			growth = new Length();
			mikesHeight.changeBy(growth);
			
			growth = new Length(0, 4);
			billsHeight.changeBy(growth);

			System.out.println("Age 16: ");
			printSummary("Mike", mikesHeight, "Bill", billsHeight);

			growth = new Length(1, 1);
			mikesHeight.changeBy(growth);
	
			growth = new Length(0,10);
			billsHeight.changeBy(growth);
		
			System.out.println("Age 20: ");
			printSummary("Mike", mikesHeight, "Bill", billsHeight);

			growth = new Length(0,1,false);
			billsHeight.changeBy(growth);

			System.out.println("Age 70: ");
			printSummary("Mike", mikesHeight, "Bill", billsHeight);
    }


    /**
     * Print summary information for two Length objects
     *
     * @param name1   The name for the first Length
     * @param length1 The first Length object
     * @param name2   The name for the second Length
     * @param length2 The second Length object
     */
     private static void printSummary(	String name1, 
	  												Length length1, 
				     								String name2, 
													Length length2)
     {
			System.out.println  // Uses toString
				("  " + name1 + ": " + length1); 
					
			System.out.println  // Uses toString
				("  " + name2 + ": " + length2); 

			if (length1.equals(length2)) 
			{
			    System.out.println("    ==   SAME    ==");
			} 
			else 
			{
			    System.out.println("    == DIFFERENT ==");
			}

			System.out.println("\n");
    }
} // end Driver1