/** TShirt.java consolidates the variables and methods
 *   that different kinds of t-shirts have in common.
 * @author Joel Adams, for Alice+Java
 */
public class TShirt {
// public TShirt() { mySize = ""; }
 
 public TShirt(String size) {
	 if ( !(size.equals("XS") || size.equals("S")
			 || size.equals("M") || size.equals("L")
             || size.equals("XL") ) ) {
		 throw new IllegalArgumentException("TShirt(): bad size: "
				                             + size);
	 }
	 mySize = size;
 }
 
 public String getSize() { return mySize; }
 public double getPrice() { return 10.00; }
 public String toString() { return mySize + " TShirt"; }
 
 private String mySize;
}