[Solved] toDF is not working in spark scala ide , but works perfectly in spark-shell [duplicate]

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To toDF(), you must enable implicit conversions:

import spark.implicits._

In spark-shell, it is enabled by default and that’s why the code works there. :imports command can be used to see what imports are already present in your shell:

scala> :imports
 1) import org.apache.spark.SparkContext._ (70 terms, 1 are implicit)
 2) import spark.implicits._       (1 types, 67 terms, 37 are implicit)
 3) import spark.sql               (1 terms)
 4) import org.apache.spark.sql.functions._ (385 terms)

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solved toDF is not working in spark scala ide , but works perfectly in spark-shell [duplicate]