http://www.mianwww.com/html/2009/02/2390.html
父类：package test;public class FatherClass{public FatherClass(){System.out.println(”FatherClass Create”);}}子类:package test;import test.FatherClass;public class ChildClass extends FatherClass{public ChildClass(){System.out.println(”ChildClass Create”);}public static void main(String[] args){FatherClass fc = new FatherClass();ChildClass cc = new ChildClass();}}输出结果：C:/>java test.ChildClassFatherClass CreateFatherClass CreateChildClass Create
