//: c08:newcollections:MapCreation.java
// From Thinking in Java, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Demonstrates time differences in Map creation
package c08.newcollections;
import java.util.*;

public class MapCreation {
  public static void main(String[] args) {
    final long REPS = 100000;
    long t1 = System.currentTimeMillis();
    System.out.print("Hashtable");
    for(long i = 0; i < REPS; i++)
      new Hashtable();
    long t2 = System.currentTimeMillis();
    System.out.println(": " + (t2 - t1));
    t1 = System.currentTimeMillis();
    System.out.print("TreeMap");
    for(long i = 0; i < REPS; i++)
      new TreeMap();
    t2 = System.currentTimeMillis();
    System.out.println(": " + (t2 - t1));
    t1 = System.currentTimeMillis();
    System.out.print("HashMap");
    for(long i = 0; i < REPS; i++)
      new HashMap();
    t2 = System.currentTimeMillis();
    System.out.println(": " + (t2 - t1));
  }
} ///:~