Java Iterable Join join(Iterable elements, String separator)

Description

join

License

Open Source License

Declaration

public static String join(Iterable<?> elements, String separator) 

Method Source Code

//package com.java2s;
/**/*from www .j a  va 2 s.  com*/
 * Copyright Sangram Jadhav. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.*;

public class Main {
    public static String join(String... parts) {
        StringBuilder sb = new StringBuilder(parts.length);
        for (String part : parts) {
            sb.append(part);
        }
        return sb.toString();
    }

    public static String join(Iterable<?> elements, String separator) {
        if (elements == null) {
            return "";
        }
        return join(elements.iterator(), separator);
    }

    public static String join(Iterator<?> elements, String separator) {
        if (elements == null) {
            return "";
        }
        StringBuilder sb = new StringBuilder();
        while (elements.hasNext()) {
            Object o = elements.next();
            if (sb.length() > 0 && separator != null) {
                sb.append(separator);
            }
            sb.append(o);
        }
        return sb.toString();
    }

    public static String join(Object[] elements, String separator) {
        if (elements == null) {
            return "";
        }
        StringBuilder sb = new StringBuilder();
        for (Object o : elements) {
            if (sb.length() > 0 && separator != null) {
                sb.append(separator);
            }
            sb.append(o);
        }
        return sb.toString();
    }
}

Related

1. join(Iterable s, String delimiter)
2. join(Iterable iterable, String delimiter)
3. join(Iterable joinee, String joiner)
4. join(Iterable c, String delimeter)
5. join(Iterable elements, String separator)
6. join(Iterable elements, String separator)
7. join(Iterable items)
8. join(Iterable items)
9. join(Iterable items, String delimiter)