Dump collection to String : Collection « Collections Data Structure « Java

Dump collection to String


/* Copyright (C) 2003 Univ. of Massachusetts Amherst, Computer Science Dept.
   This file is part of "MALLET" (MAchine Learning for LanguagE Toolkit).
   This software is provided under the terms of the Common Public License,
   version 1.0, as published by http://www.opensource.org.  For further
   information, see the file `LICENSE' included with this distribution. */

//package cc.mallet.util;

import java.util.Collection;
import java.util.Iterator;

 * @author <a href="mailto:casutton@cs.umass.edu">Charles Sutton</a>
 * @version $Id: ArrayUtils.java,v 1.1 2007/10/22 21:37:40 mccallum Exp $
public class Util {

  public static String dumpToString (Collection c, String separator)
    String retval = "";
    for (Iterator it = c.iterator(); it.hasNext();) {
      retval += String.valueOf(it.next());
      retval += separator;
    return retval;

  public static String dumpToString (Collection c)
    return dumpToString (c, " ");

  public static void print (Collection c) 
    System.out.println (dumpToString (c));

  public static void print (Collection c, String separator) 
    System.out.println (dumpToString (c, separator));



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