Scala program to read data from a text file

Program/Source Code:

The source code to read data from a text file is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Scala program to read data from a text file

import scala.io.Source;

object Sample {
  // Main method
  def main(args: Array[String]) {
    val file = Source.fromFile("Sample.txt")

    println("Data of file:");
    while (file.hasNext) {
      print(file.next)
    }
    file.close();
    println();
  }
}

Output:

Data of file:
Hello World

Explanation:

In the above program, we used an object-oriented approach to create the program. We imported the Source class using the below statement.

import scala.io.Source;

And, we created a singleton object Sample and defined the main() function. The main() function is the entry point for the program.

In the main() function, we used the fromFile() method of the Source class to create the object. Then read data from file character by character using the next() method and printed the data on the console screen.