// Exercícios 6.6: Sphere.java
// Calcula o volume de uma esfera.
import java.util.Scanner;

public class Sphere
{
   // obtém o raio a parti do usuário e exibe o volume da esfera
   public void determineSphereVolume()
   {
      Scanner input = new Scanner( System.in );

      System.out.print( "Enter radius of sphere: " );
      double radius = input.nextDouble();

      System.out.printf( "Volume is %f\n", sphereVolume( radius ) );
   } // fim do método determineSphereVolume

   // calcula e retorna o volume da esfera
   public double sphereVolume( double radius )
   {
      double volume = ( 4.0 / 3.0 ) * Math.PI * Math.pow( radius, 3 );
      return volume;
   } // fim do método sphereVolume
} // fim da classe Sphere


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