Java Collection Join joinSequence(Collection sequence)

Description

Joins the list of numbers as a dot-separated string.

License

Open Source License

Parameter

Parameter	Description
sequence	a parameter

Declaration

public static String joinSequence(Collection<Long> sequence) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2009 the CHISEL group and contributors. 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
 * /*from  w  w  w  .j ava 2  s  .  c  om*/
 * Contributors: the CHISEL group - initial API and implementation
 *******************************************************************************/

import java.util.Collection;

public class Main {
    /**
     * Joins the list of numbers as a dot-separated string.
     * @param sequence
     * @return
     */
    public static String joinSequence(Collection<Long> sequence) {
        if (sequence == null) {
            return null;
        }
        StringBuilder builder = new StringBuilder();
        int i = 0;
        for (long l : sequence) {
            builder.append(l);
            i++;
            if (i < sequence.size()) {
                builder.append('.');
            }
        }
        return builder.toString();
    }
}

Related

1. joinEmptyItemIncluded(Collection stringCollection, String delimiter)
2. joinList(@SuppressWarnings("rawtypes") Collection c)
3. joinNullSafe(Collection collection, String separator)
4. joinObjects(Collection