{"id":56095,"library":"flink-streaming-java","title":"Apache Flink Streaming Java","description":"Apache Flink Streaming Java provides the Java API for building stateful, event-driven streaming applications.","status":"active","version":"1.20.0","language":"java","source_language":null,"source_url":"https://github.com/apache/flink","tags":["flink","streaming","big-data","event-driven"],"install":[{"cmd":"<dependency>\n  <groupId>org.apache.flink</groupId>\n  <artifactId>flink-streaming-java</artifactId>\n  <version>1.20.0</version>\n</dependency>","lang":"xml","label":"Maven"},{"cmd":"implementation 'org.apache.flink:flink-streaming-java:1.20.0'","lang":"groovy","label":"Gradle"}],"dependencies":[],"imports":[{"symbol":"StreamExecutionEnvironment","correct":"org.apache.flink.streaming.api.environment.StreamExecutionEnvironment"}],"quickstart":{"code":"import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;\nimport org.apache.flink.streaming.api.datastream.DataStream;\n\nStreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();\nDataStream<String> text = env.readTextFile(\"input.txt\");\ntext.print();\nenv.execute(\"Flink Streaming Job\");","lang":"java","description":"Minimal example showing how to create a StreamExecutionEnvironment and execute a simple streaming job."},"warnings":[{"fix":"Upgrade your Java runtime to at least Java 11.","message":"Flink 1.20.0 requires Java 11 or later; Java 8 is no longer supported.","severity":"breaking","affected_versions":">=1.20.0"}],"env_vars":null,"search_vec":"'apach':1,5 'api':12 'applic':20 'big':24 'big-data':23 'build':14 'data':25 'driven':18,28 'event':17,27 'event-driven':16,26 'flink':2,6,21 'java':4,8,11 'provid':9 'state':15 'stream':3,7,19,22","created_at":"2026-06-15T10:20:31.365410+00:00","updated_at":"2026-06-15T10:20:31.365410+00:00","problems":[],"ecosystem":"maven","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://flink.apache.org","github":"https://github.com/apache/flink","docs":"https://appdoc.app/artifact/org.apache.flink/flink-streaming-java/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["other"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-15","next_check":"2026-12-12","install_tag":null}}