Question - What are the names of some extension methods that Kotlin provides to java.io.File? 
          
        
        Answer - 
        
Following are some extension methods that Kotlin provides to java.io.File:
- bufferedReader(): It is used for reading the contents of a file into BufferedReader.
 - readBytes(): It is used for reading the contents of the file to ByteArray.
 - readText(): It is used for reading contents of the file to a single String.
 - forEachLine(): It is used for reading a file line by line in Kotlin.
 - readLines(): It is used for reading lines in the file to List.