vehicle.java

程序练习中包括书中实例程序代码和练习中要用到的代码,是压缩文件

package examples.inheritance;

/** A class used to demonstrate inheritance concepts
  */
public class Vehicle {

   private int wheels, range;

   /** Class constructor
     * @param w number of wheels
     * @param r range in kilometers
     */
   public Vehicle( int w, int r ) {
      wheels = w;
      range = r;
   }
   /** Represent the object as a string
     * @return The object as a String
     */
   public String toString() {
      return ( "Wheels: " + wheels
               + " Range: " + range );
   }
}