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Scala program to call a function with named parameters

Here, we are going to learn how to call a function with named parameters in Scala programming language?
Submitted by Nidhi, on May 27, 2021

Problem Solution:

Here, we will define a function with two integer arguments. And, we can pass arguments with the name of arguments. The named parameters give us the flexibility to pass arguments in any order.

Program/Source Code:

The source code to call a function with named parameters is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Scala program to create a function
// with named parameters

object Sample {
  def main(args: Array[String]) {
    // Function calling
    printf("Addition is: %d\n", addNum(num1 = 30, num2 = 40));
    printf("Addition is: %d\n", addNum(num2 = 10, num1 = 20));

  }

  // Function definition
  def addNum(num1: Int, num2: Int): Int = {
    var result: Int = 0;

    result = num1 + num2;

    return result;
  }
}

Output:

Addition is: 70
Addition is: 30

Explanation:

In the above program, we used an object-oriented approach to create the program. We created an object Sample, and we defined main() function. The main() function is the entry point for the program.

In this program, we defined a function addNum() with two integer arguments num1 and num2. It will return the addition of both arguments on the console screen.

In the main() function, we called the addNum() function with named parameters and return the addition of specified and printed the result on the console screen.

Scala User-defined Functions Programs »


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