Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * (c) 2009-2014 Peter Wullinger
 *
 * $Id$
 *
 * Use, modification and restribution of this file are covered by the
 * terms of the Artistic License 2.0.
 *
 * You should have received a copy of the license terms in a file named
 * "LICENSE" together with this software package.
 *
 * Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT
 * HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES. THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
 * A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE
 * EXTENT PERMITTED BY YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO
 * COPYRIGHT HOLDER OR CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT
 * OF THE USE OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 **/

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

public class Main {
    public static String recursiveDeepToString(final Collection<?> collection) {
        final StringBuilder sb = new StringBuilder(3 * collection.size());
        sb.append("[");
        final Iterator<?> iter = collection.iterator();
        if (iter.hasNext()) {
            final Object item = iter.next();
            if (item instanceof Collection) {
                final Collection<?> subCollection = (Collection<?>) item;
                sb.append(recursiveDeepToString(subCollection));
            } else
                sb.append(item);
        }
        while (iter.hasNext()) {
            final Object item = iter.next();
            sb.append(", ");
            if (item instanceof Collection) {
                final Collection<?> subCollection = (Collection<?>) item;
                sb.append(recursiveDeepToString(subCollection));
            } else
                sb.append(item);
        }
        sb.append("]");
        return sb.toString();
    }
}