随书代码 上面有书中的大部分代码

				//: net/mindview/util/New.java
				// Utilities to simplify generic container creation
				// by using type argument inference.
				package net.mindview.util;
				import java.util.*;
				
				public class New {
				  public static  Map map() {
				    return new HashMap();
				  }
				  public static  List list() {
				    return new ArrayList();
				  }
				  public static  LinkedList lList() {
				    return new LinkedList();
				  }
				  public static  Set set() {
				    return new HashSet();
				  }	
				  public static  Queue queue() {
				    return new LinkedList();
				  }
				  // Examples:
				  public static void main(String[] args) {
				    Map sls = New.map();
				    List ls = New.list();
				    LinkedList lls = New.lList();
				    Set ss = New.set();
				    Queue qs = New.queue();
				  }
				} ///:~