2025/1/15

import org.apache.spark.{SparkConf, SparkContext}

object SparkBasic {
def main(args: Array[String]): Unit = {
val conf = new SparkConf().setAppName("SparkBasic").setMaster("local")
val sc = new SparkContext(conf)

val data = Array(1, 2, 3, 4, 5)
val distData = sc.parallelize(data)

val result = distData.map(x => x * 2).collect()
println(result.mkString(", "))
}
}