java - Dividing the value of 2 columns in spark dataframe -


the table looks this

i have table in spark stored dataframe. want dataframe(url,url1,ratio) contains ratio,where ratio = count1/count in it. how write operation it?

it's straightforward : 

import spark.implicits._ val newdf = df.withcolumn("ratio", $"count1" / $"count")

this line of code add column named ration df , sotore result in newdf

edit 1 : (solution in java requested)

import org.apache.spark.sql.functions._ dataset<row> newdf = df.withcolumn("ration", col("count1").divide(col("count"))

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