Java List Join join(List tokens, String separator)

Description

Combine tokens with a specified separator.

License

Open Source License

Parameter

Parameter	Description
tokens	tokens
separator	separator

Return

one combined string, empty string if token or separator are null

Declaration

public static String join(List<String> tokens, String separator) 

Method Source Code

//package com.java2s;
/*//ww w .  ja va 2s . c  o  m
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import java.util.List;

public class Main {
    /**
     * Combine tokens with a specified separator.
     *
     * @param tokens tokens
     * @param separator separator
     * @return one combined string, empty string if token or separator are
     * {@code null}
     */
    public static String join(List<String> tokens, String separator) {
        StringBuilder sb = new StringBuilder();
        if (tokens != null && separator != null) {
            for (String token : tokens) {
                if (sb.length() > 0) {
                    sb.append(separator);
                }
                sb.append(token);
            }
        }
        return sb.toString();
    }
}

Related

1. join(List stringsToJoin, char delimiter)
2. join(List strList, char separator)
3. join(List strList, String sep)
4. join(List tokens, String sep)
5. join(List tokens, String separator)
6. join(List values)
7. join(List values, String delimiter)
8. join(List values, String string)
9. join(List words, String separator)