lengthtest.java

Java程序设计技巧与开发实例附书源代码。

public class LengthTest
{  public static void main(String args[])
   {  Length length = new Length(10, "feet");
      System.out.print("Length in feet: ");
      length.convertTo("feet").showLength();
      System.out.print("Length in meter: ");
      length.convertTo("meter").showLength();
      System.out.print("Length in apples: ");
      length.convertTo("apples").showLength();
   }
}