com.mchange.v1.identicator.test.TestIdHashSet Maven / Gradle / Ivy
/*
* Distributed as part of mchange-commons-java 0.2.11
*
* Copyright (C) 2015 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of EITHER:
*
* 1) The GNU Lesser General Public License (LGPL), version 2.1, as
* published by the Free Software Foundation
*
* OR
*
* 2) The Eclipse Public License (EPL), version 1.0
*
* You may choose which license to accept if you wish to redistribute
* or modify this work. You may offer derivatives of this work
* under the license you have chosen, or you may provide the same
* choice of license which you have been offered here.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received copies of both LGPL v2.1 and EPL v1.0
* along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
* If not, the text of these licenses are currently available at
*
* LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php
*
*/
package com.mchange.v1.identicator.test;
import java.sql.*;
import java.util.*;
import java.lang.reflect.*;
import com.mchange.v1.identicator.*;
import com.mchange.v1.lang.*;
import com.mchange.v1.util.*;
public class TestIdHashSet
{
public static void main(String[] argv)
{
Identicator id = new Identicator()
{
public boolean identical(Object a, Object b)
{ return ((String) a).charAt(0) == ((String) b).charAt(0); }
public int hash(Object o)
{ return ((String) o).charAt(0); }
};
Set s = new IdHashSet(id);
System.out.println(s.add("hello"));
System.out.println(s.add("world"));
System.out.println(s.add("hi"));
System.out.println(s.size());
Object[] elems = s.toArray();
for (int i = 0; i < elems.length; ++i)
System.out.println( elems[i] );
}
}