flink 编写wordcount

使用Flink实现WordCount

最新推荐文章于 2024-11-23 11:35:43 发布

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最新推荐文章于 2024-11-23 11:35:43 发布 · 417 阅读

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这篇博客介绍了如何利用Apache Flink进行WordCount的实现。文章中列出了所需的依赖jar包，包括flink-java、flink-streaming-java_2.11和flink-clients_2.11，版本号为1.7.2。

依赖jar包

<groupId>org.apache.flink</groupId>

<artifactId>flink-java</artifactId>

</dependency>

<groupId>org.apache.flink</groupId>

<artifactId>flink-streaming-java_2.11</artifactId>

</dependency>

<groupId>org.apache.flink</groupId>

<artifactId>flink-clients_2.11</artifactId>

</dependency>

import org.apache.flink.api.common.functions.FlatMapFunction;
import org.apache.flink.api.java.utils.ParameterTool;
import org.apache.flink.streaming.api.datastream.DataStream;
import org.apache.flink.streaming.api.datastream.DataStreamSource;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;