{"id":54794,"library":"flink-core","title":"Apache Flink Core","description":"Core runtime and API for Apache Flink, a stream processing framework for big data.","status":"active","version":"2.2.1","language":"java","source_language":null,"source_url":"https://github.com/apache/flink","tags":["flink","stream-processing","big-data","apache"],"install":[{"cmd":"<dependency>\n  <groupId>org.apache.flink</groupId>\n  <artifactId>flink-core</artifactId>\n  <version>2.2.1</version>\n</dependency>","lang":"xml","label":"Maven"},{"cmd":"implementation 'org.apache.flink:flink-core:2.2.1'","lang":"groovy","label":"Gradle"}],"dependencies":[],"imports":[{"symbol":"MapFunction","correct":"org.apache.flink.api.common.functions.MapFunction"}],"quickstart":{"code":"import org.apache.flink.api.common.functions.MapFunction;\nimport org.apache.flink.streaming.api.datastream.DataStream;\nimport org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;\n\npublic class FlinkExample {\n    public static void main(String[] args) throws Exception {\n        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();\n        DataStream<String> data = env.fromElements(\"hello\", \"world\");\n        data.map(new MapFunction<String, String>() {\n            @Override\n            public String map(String value) {\n                return value.toUpperCase();\n            }\n        }).print();\n        env.execute();\n    }\n}","lang":"java","description":"Create a simple Flink streaming job that transforms data."},"warnings":[],"env_vars":null,"search_vec":"'apach':1,9,25 'api':7 'big':16,23 'big-data':22 'core':3,4 'data':17,24 'flink':2,10,18 'framework':14 'process':13,21 'runtim':5 'stream':12,20 'stream-process':19","created_at":"2026-06-15T09:23:34.912653+00:00","updated_at":"2026-06-15T09:23:34.912653+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-core/","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}}