htmlsalesformatter.java

来自「Patterns in the Gourmet Coffee System」· Java 代码 · 共 21 行

public abstract class HTMLSalesFormatter{

	 public static String singletonInstance;

	 static public HTMLSalesFormatter getSingletonInstance(){
		 
		return null;
		 
	 }
	 private HTMLSalesFormatter(){
		 
	 }
	 public String formatSales(Sales sales){
		 
		return null;
		 
	 }
	 
}