Source of Sphere.java


  1: // Exercise 6.6: Sphere.java
  2: // Calculate the volume of a sphere.
  3: import java.util.Scanner;
  4: 
  5: public class Sphere
  6: {
  7:    // obtain radius from user and display volume of sphere
  8:    public void determineSphereVolume()
  9:    {
 10:       Scanner input = new Scanner( System.in );
 11: 
 12:       System.out.print( "Enter radius of sphere: " );
 13:       double radius = input.nextDouble();
 14: 
 15:       System.out.printf( "Volume is %f\n", sphereVolume( radius ) );
 16:    } // end method determineSphereVolume
 17: 
 18:    // calculate and return sphere volume
 19:    public double sphereVolume( double radius )
 20:    {
 21:       double volume = ( 4.0 / 3.0 ) * Math.PI * Math.pow( radius, 3 );
 22:       return volume;
 23:    } // end method sphereVolume
 24: } // end class Sphere
 25: 
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