Java Iterable Join join(Iterable items, String separator)

Description

Same as #join(String[],String) but expecting an Iterable instead of an array

License

Apache License

Declaration

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

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.util.Arrays;
import java.util.Iterator;

public class Main {
    /**/* w w w .  j av a 2 s .  com*/
     * Creates a string by concatenating items array of specified items,
     * separating each with the specified separator.
     */
    public static String join(String[] items, String separator) {
        return join(Arrays.asList(items), separator);
    }

    /**
     * Same as {@link #join(String[], String)} but expecting an {@link Iterable}
     * instead of an array
     */
    public static String join(Iterable<?> items, String separator) {
        final StringBuilder builder = new StringBuilder();
        final Iterator<?> it = items.iterator();
        while (it.hasNext()) {
            builder.append(it.next().toString());
            if (it.hasNext()) {
                builder.append(separator);
            }
        }
        return builder.toString();
    }
}

Related

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2. join(Iterable elements, String separator)
3. join(Iterable items)
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6. join(Iterable iterable, String separator)
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9. join(Iterable objects)