Java Iterable Join join(final Iterable<? extends Object> iterable, final CharSequence separator)

Description

Joins the string representations of an Iterable collection of objects to one continues string while separating the entities with the provided separator.

License

Open Source License

Parameter

Parameter	Description
iterable	The Iterable number of objects
separator	a parameter

Return

The joined String separated by the given separator

Declaration

public static String join(final Iterable<? extends Object> iterable, final CharSequence separator)

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2007, 2013 compeople AG and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:/*  w  ww. j av a 2  s  .  c  om*/
 *    compeople AG - initial API and implementation
 *******************************************************************************/

import java.util.Iterator;

public class Main {
    /**
     * Joins the string representations of an {@link Iterable} collection of
     * objects to one continues string while separating the entities with the
     * provided separator.
     * <p>
     * The string representation will be retrieved by String.valueOf()
     * 
     * @param iterable
     *            The {@link Iterable} number of objects
     * @param separator
     * @return The joined String separated by the given separator
     * @since 3.0
     */
    public static String join(final Iterable<? extends Object> iterable, final CharSequence separator) {
        Iterator<? extends Object> oIt;
        if (iterable == null || (!(oIt = iterable.iterator()).hasNext())) {
            return ""; //$NON-NLS-1$
        }
        final StringBuilder sb = new StringBuilder(String.valueOf(oIt.next()));
        while (oIt.hasNext()) {
            sb.append(separator).append(oIt.next());
        }
        return sb.toString();
    }
}

Java Iterable Join join(final Iterable iterable, final CharSequence separator)