Build a set when all we have is an iterator - Java java.util

Java examples for java.util:Set Creation

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Description

Build a set when all we have is an iterator

Demo Code

/*/*ww  w .  j  a v  a  2 s. c  o  m*/
 **    Copyright (C) 2003-2012 Institute for Systems Biology 
 **                            Seattle, Washington, USA. 
 **
 **    This library is free software; you can redistribute it and/or
 **    modify it under the terms of the GNU Lesser General Public
 **    License as published by the Free Software Foundation; either
 **    version 2.1 of the License, or (at your option) any later version.
 **
 **    This library 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.  See the GNU
 **    Lesser General Public License for more details.
 **
 **    You should have received a copy of the GNU Lesser General Public
 **    License along with this library; if not, write to the Free Software
 **    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
//package com.java2s;

import java.util.Iterator;

import java.util.HashSet;

import java.util.Set;

public class Main {
    /***************************************************************************
     **
     ** Build a set when all we have is an iterator
     */

    public static Set setFromIterator(Iterator it) {
        HashSet retval = new HashSet();
        while (it.hasNext()) {
            retval.add(it.next());
        }
        return (retval);
    }
}

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