List<String>tokens=Arrays.asList("How","To","Do","In","Java");StringjoinedString=tokens.stream().collect(Collectors.joining(",","[","]"));System.out.println(joinedString);//[How,To,Do,In,Java] 4. Apache Commons – UsingStringUtils.join() TheStringUtilsclass of theApache Commons Lan...
var joined = String.join("/", "2024", "7", "1"); System.out.println(joined); } TheString.joinmethod internally uses theStringJoiner. var joined = String.join("/", "2024", "7", "1"); A date is concatenated with theString.joinmethod. $ java Main.java 2016/8/5 Joining list T...
cpuset.cpus: A comma-separated list or hyphen-separated range of CPUs or cores a container can use provided that you have more than one CPU or core. For example, the value 0-3 means that the container can use the first, second, third, and fourth CPU. cpuset.mems: A comma-separated ...
List<String> rgbList = Arrays.asList("Red", "Green", "Blue"); String commaSeparatedRGB = rgbList.stream() .map(color -> color.toString()) .collect(Collectors.joining(",")); System.out.println(commaSeparatedRGB); 总结 简单join 直接 stream 流式一行代码搞定,特殊点的看看 Guava 的 joiner...
Joiner.on("&").withKeyValueSeparator("=").join(param); guawa功能 异步处理业务逻辑 Future<Integer> future1 =homeStatisticalService.ReportList(authkeys,reslutList);返回new AsyncResult<Integer>(1) 通过hash值对数据分表保存 表编号 formateNumber((Integer.MAX_VALUE & custid.hashCode()) % TradeTable...
static final ImmutableList<String> NAMES = ImmutableList.of("Ed", "Ann"); static final ImmutableMap<String, Integer> AGES = ImmutableMap.of("Ed", 35, "Ann", 32); static final Joiner COMMA_JOINER = Joiner.on(','); // because Joiner is immutable ...
Convert a list to a comma-separated string using String.join() The most common way to convert a list of strings into a comma-separated string is by using the static join() method from the String class: List<String> list = List.of("🌴", "🌱", "🍂", "🌷", "🌵"); String...
newArrayList(array); // 数组转字符串时添加连接符号 String joinStr = CollUtil.join(list, ","); LOGGER.info("collUtil join:{}", joinStr); // 将以连接符号分隔的字符串再转换为列表 List<String> splitList = StrUtil.split(joinStr, ','); LOGGER.info("collUtil split:{}", splitList); //...
join(array); System.out.println("splitSet:" + splitSet); String splitSetWithComma = StringUtils.join(array, ","); System.out.println("splitSetWithComma:" + splitSetWithComma); } } 本文参与 腾讯云自媒体同步曝光计划,分享自作者个人站点/博客。 原始发表:2021/10/08 ,如有侵权请联系 cloud...
List<String>words=Arrays.asList("Hello","World"); Stringstr=join(words); System.out.println(str); } } DownloadRun Code Output: Hello,World That’s all about converting a List to a comma-separated String in Java. Rate this post