demodispenseruos.java

国外的数据结构与算法分析用书

/* DemoBasicDictUos
 * ---------------------------------------------
 * Copyright (c) 2002 University of Saskatchewan
 * All Rights Reserved
 * -------------------------------------------- */
 
 package dslib.demo;
 
 import dslib.base.*;
 import java.io.*;
 
/** A class that demonstrates the use of any 	DispenserUos*/
 public class DemoDispenserUos
 {
	/**  A generic test class for basicDictionaries. 
		@param d The dictionary that we are going to examine here.
		@param out the printWriter for our output*/
	public DemoDispenserUos(DispenserUos d)
	{
		// place the output in a text file whose name reflects the class being demonstrated
		String className = d.getClass().getName();
		className = className.substring(className.lastIndexOf(".")+1);
		PrintWriter out = null;
		try
		{
			out = new PrintWriter(new FileOutputStream("OutputDemo" + className + ".txt", true));
		} catch (Exception e)
		{
			System.err.println("Error creating output file in test routine for " + className);
			e.printStackTrace();
		}
		out.println("StackUos Demo for " + className);
		out.println("Inserting... 23");
		d.insert(new Integer(23));
		out.println("Inserting... 1");
		d.insert(new Integer(1));
		out.println("Inserting... 4");
		d.insert(new Integer(4));
		out.println("Inserting... 18");
		d.insert(new Integer(18));
		out.println("Inserting... 2");
		d.insert(new Integer(2));
		out.println("Inserting... 102");
		d.insert(new Integer(102));
		out.println("Inserting... -50");
		d.insert(new Integer(-50));
		out.println("current contents: " + d);
		out.println("Inserting... 3");
		d.insert(new Integer(3));
		out.println("Inserting... 54");
		d.insert(new Integer(54));
		out.println("Inserting... 12");
		d.insert(new Integer(-12));
		out.println("Inserting... -18");
		d.insert(new Integer(-18));
		out.println("Inserting... 32");
		d.insert(new Integer(32));
		out.println("Current contents: " + d);
		out.println("is it empty? " + d.isEmpty());
		out.println("Is it full? " + d.isFull());
		out.println("Deleting..."); 
		d.deleteItem();
		out.println("Deleting..."); 
		d.deleteItem();
		out.println("Deleting..."); 
		d.deleteItem();
		out.println("Current contents:" + d);
		out.println("Is it full? " + d.isFull());	
		out.println("Wipe out");
		d.wipeOut();
		out.println("is it empty? " + d.isEmpty());
		out.println("Inserting.. 23");
		d.insert(new Integer(23));		
		out.println("Deleting...");
		d.deleteItem();
		out.println("is it empty? " + d.isEmpty());
		out.println("that's it");
		out.close();
	}
 }