#computeareawithconsoleinput

[computerprogrammingstuff]

The result when the previous program is executed.

[computerprogrammingstuff]

2.2 Reading Input from the Console

import java.util.Scanner; // Scanner is in the java.util package

public class ComputeAreaWithConsoleInput 

{

public static void main(String[] args)

{

// Create a Scanner object

Scanner input = new Scanner(System.in);

// Prompt the user to enter a radius

System.out.print("Enter a number for radius: ");

double radius = input.nextDouble();

// Compute area

double area = radius * radius * 3.14159;

// Display results

System.out.println("The area for the circle of radius " + 

 radius + " is " + area);

  }

}