1  /**

  2     A class that describes the effects of an earthquake.

  3  */

  4  public class Earthquake

  5  {  

  6     private double richter;

  7  

  8     /**

  9        Constructs an Earthquake object.

 10        @param magnitude the magnitude on the Richter scale

 11     */

 12     public Earthquake(double magnitude)

 13     {  

 14        richter = magnitude;

 15     }

 16  

 17     /**

 18        Gets a description of the effect of the earthquake.

 19        @return the description of the effect

 20     */

 21     public String getDescription()

 22     {

 23        String r;

 24        if (richter >= 8.0)

 25           r = "Most structures fall";

 26        else if (richter >= 7.0)

 27           r = "Many buildings destroyed";

 28        else if (richter >= 6.0)

 29           r = "Many buildings considerably damaged, some collapse";

 30        else if (richter >= 4.5)

 31           r = "Damage to poorly constructed buildings";

 32        else if (richter >= 3.5)

 33           r = "Felt by many people, no destruction";

 34        else if (richter >= 0)

 35           r = "Generally not felt by people";

 36        else

 37           r = "Negative numbers are not valid";

 38        return r;

 39     }

 40  }