Java Collection Join join(Collection s, String delimiter)

Description

Join a string array or list with a delimiter.

License

Apache License

Parameter

Parameter	Description
s	The array or list to join.
delimiter	The delimiter to glue the pieces together with.

Return

The joined string.

Declaration

public static String join(Collection<?> s, String delimiter) 

Method Source Code

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

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

public class Main {
    /**//from   w  w w. j  av  a  2 s .co m
     * Join a string array or list with a delimiter.
     *
     * @param s         The array or list to join.
     * @param delimiter The delimiter to glue the pieces together with.
     * @return The joined string.
     */
    public static String join(Collection<?> s, String delimiter) {
        StringBuilder builder = new StringBuilder();
        Iterator<?> iterator = s.iterator();
        while (iterator.hasNext()) {
            builder.append(iterator.next());
            if (!iterator.hasNext()) {
                break;
            }
            builder.append(delimiter);
        }
        return builder.toString();
    }
}

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