Q:

Scala program to create an anonymous function with => operator

belongs to collection: Scala User-defined Functions Programs

YasminRadwan26
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2022-07-05
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Here, we will define an anonymous function with the => operator to add two specified numbers and return the result to the calling function.

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YasminRadwan26
2022-07-05
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Program/Source Code:

The source code to create an anonymous function with the "=>" operator is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Scala program to create an anonymous
// function with "=>" operator

object Sample {
  def main(args: Array[String]) {
    var result: Int = 0;

    // Create anonymous function.
    var AddNum = (num1: Int, num2: Int) => num1 + num2;

    // Function calling
    result = AddNum(20, 30);

    printf("Result : %d\n", result);
  }
}

Output:

Result : 50

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 the main() function, we created an integer variable result, initialized with 0. Then we defined and called an anonymous function AddNum() with two integer arguments using the => operator. The AddNum() function adds two specified numbers and returns the result. After that, we printed the result on the console screen.

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