...串連接的類,專門用于這種需要 分隔符 的場合,它就是 StringJoiner。StringJoiner 在構造時可以指定一個分隔符(delimiter),然后每連接一個元素它便會加上一個 delimiter,使用 StringJoiner 改寫 formatList: public static String formatList(List l...
...的情況。下邊是我使用過的幾種方式 使用流 StringBuilder StringJoiner Guava 代碼 初始數(shù)據(jù) List list = Arrays.asList(Luffy, Zoro, Nami, Usopp, Sanji, Chopper, ...
StringJoiner是java 1.8后util包新增的格式化字符串的工具類 StringJoiner joiner = new StringJoiner(,, gg-, -gg); System.out.println(joiner.add(11).add(22).add(33)); 打印結果
...f()。 Collector personNameCollector = Collector.of( () -> new StringJoiner( | ), // supplier (j, p) -> j.add(p.name.toUpperCase()), // accumulator (j1, j2) -> j...
...erties.Policy policy) { final List types = policy.getType(); final StringJoiner joiner = new StringJoiner(:); joiner.add(properties.getKeyPrefix()); if (route != null) { joi...
...s); // Number of elements not likely worth Arrays.stream overhead. StringJoiner joiner = new StringJoiner(delimiter); for (CharSequence cs: elements) { joiner.add(cs); } ...
...s); // Number of elements not likely worth Arrays.stream overhead. StringJoiner joiner = new StringJoiner(delimiter); for (CharSequence cs: elements) { joiner.add(cs); } ...
...器。 Collector personNameCollector = Collector.of( () -> new StringJoiner( | ), // supplier (j, p) -> j.add(p.name.toUpperCase()), // accumulator (j1, j2) -> j1....
...mount, sale_qty}) group(基于數(shù)據(jù)行進行分組) group(row -> new StringJoiner(_).add(row.get(week).add(row.get(group_id))) aggregation(基于數(shù)據(jù)行進行分組, 然后對度量指標字段進行聚合) aggregation({week, group_id, group_name}, {sum(sa...
ChatGPT和Sora等AI大模型應用,將AI大模型和算力需求的熱度不斷帶上新的臺階。哪里可以獲得...
大模型的訓練用4090是不合適的,但推理(inference/serving)用4090不能說合適,...
圖示為GPU性能排行榜,我們可以看到所有GPU的原始相關性能圖表。同時根據(jù)訓練、推理能力由高到低做了...