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Scala program to calculate the perimeter of the circle

Here, we are going to learn how to calculate the perimeter of the circle in Scala programming language?
Submitted by Nidhi, on April 30, 2021 [Last updated : March 09, 2023]

Scala – Calculate Perimeter of Circle

Here, we will read the radius of the circle from the user and calculate the perimeter of the circle. After that, we will print the result on the console screen.

Scala code to calculate the perimeter of the circle

The source code to calculate the perimeter of the circle is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Scala program to calculate the perimeter of circle

object Sample{  
    def main(args: Array[String]): Unit = {
        var radius:Float=0
        var perimeter:Float=0
        
        print("Enter radius: ")
        radius=scala.io.StdIn.readFloat()
        
        //Caculate the perimeter of circle
        perimeter = 2 * 3.14F * radius
        
        println("Perimeter of circle: "+perimeter)
    }  
}

Output

Enter radius: 4.2
Perimeter of circle: 26.376

Explanation

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

In the main() function, we created two float variables radius, perimeter that are initialized with 0. Then we read the value of radius from the user and calculate the perimeter of the circle. After that, we printed the result on the console screen.

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