plaintextsalesformatter.java

来自「Patterns in the Gourmet Coffee System」· Java 代码 · 共 23 行

public class PlainTextSalesFormatter{

  public static String singletonInstance;	
  
 
  static public SalesFormatter getSingletonInstance(){
	  
	return null;
	  
  }
  private PlainTextSalesFormatter(){
	  
  }
  
  public String formatSales(Sales sales){
	  
	return null;
	  
  }
  
}