Kafka 3.0.0 发布了: ? 编辑切换为居中 添加图片注释,不超过 140 字(可选) 主要更新如下: The deprecation of support for Java 8 and Scala 2.12 Kafka Raft support for snapshots of the metadata topic and other improvements in t...
一、示例代码 public final class JavaWordCount {private static final Pattern SPACE = Pattern.compile(" ");public static void main(String[] args) throws Exception { if (args.length < 1) { // 保证必须有参数,此参数代表待读取文件 System....