java 程序初始化过程

// Parent.java
package techlog;

/**
 *  
 * @author 龙泉居士
 * Environment Eclipse 3.7.2 JDK 7u2
 * CopyRight copy is promised if you keep this statement
 * Date 2012-2-2
 * 
 */
class Tip

{
        public Tip(String str)
        {
                System.out.println(str);

        }
}



public class Parent
{
        public Parrent()
        {
                System.out.println("I'm Parrent");
                say();
        }
        public void say()
        {
                System.out.println("Parrent.say "+i);
        }
        public int i=5;
        static Tip t=new Tip("Parrent.stcTip");
        public Tip t0=new Tip("Parrent.Tip");
}



class Son extends Parrent
{
        public Son()
        {
                System.out.println("I'm Son");
                System.out.println("i="+i);
                i=7;
        }

        public int i=3;
        static Tip t=new Tip("Son.stcTip");
        public Tip t0=new Tip("Son.Tip0");
        public Tip t1=new Tip("Son.Tip");
        public void say()
        {
                System.out.println("Son.say "+i);
         }
}



class Daughter extends Parrent
{
        public Daughter()
        {
                System.out.println("I'm Daughter");
        }
        static Tip t=new Tip("Daughter.stcTip");
        public Tip t0=new Tip("Daughter.Tip");
        static public void main (String [] args)
        {
                Son s=new Son();
                System.out.println(s.i);
        }
}