2422 * {@code CharSequence elements} joined together with a copy of the |
2422 * {@code CharSequence elements} joined together with a copy of the |
2423 * specified {@code delimiter}. |
2423 * specified {@code delimiter}. |
2424 * |
2424 * |
2425 * <blockquote>For example, |
2425 * <blockquote>For example, |
2426 * <pre>{@code |
2426 * <pre>{@code |
2427 * List<String> strings = new LinkedList<>(); |
2427 * List<String> strings = List.of("Java", "is", "cool"); |
2428 * strings.add("Java");strings.add("is"); |
|
2429 * strings.add("cool"); |
|
2430 * String message = String.join(" ", strings); |
2428 * String message = String.join(" ", strings); |
2431 * //message returned is: "Java is cool" |
2429 * //message returned is: "Java is cool" |
2432 * |
2430 * |
2433 * Set<String> strings = new LinkedHashSet<>(); |
2431 * Set<String> strings = |
2434 * strings.add("Java"); strings.add("is"); |
2432 * new LinkedHashSet<>(List.of("Java", "is", "very", "cool")); |
2435 * strings.add("very"); strings.add("cool"); |
|
2436 * String message = String.join("-", strings); |
2433 * String message = String.join("-", strings); |
2437 * //message returned is: "Java-is-very-cool" |
2434 * //message returned is: "Java-is-very-cool" |
2438 * }</pre></blockquote> |
2435 * }</pre></blockquote> |
2439 * |
2436 * |
2440 * Note that if an individual element is {@code null}, then {@code "null"} is added. |
2437 * Note that if an individual element is {@code null}, then {@code "null"} is added. |