Open port 9999 and send data when run project

nc -l 9999

map function

mvn clean package
spark-submit --class spark.streaming.map.Main target/SparkStreamingOperation-0.0.1-SNAPSHOT.jar

flatMap function

mvn clean package
spark-submit --class spark.streaming.flatmap.Main target/SparkStreamingOperation-0.0.1-SNAPSHOT.jar

filter function

mvn clean package
spark-submit --class spark.streaming.filter.Main target/SparkStreamingOperation-0.0.1-SNAPSHOT.jar