autoinitarraylist.java

来自「struts+spring+hibernate自创框架」· Java 代码 · 共 27 行

package com.pegasus.framework.util;

import java.util.ArrayList;

public class AutoInitArrayList<E> extends ArrayList<E> {
	private static final long serialVersionUID = 1L ; 
    
    private Class<E> clz = null ;
   
    public AutoInitArrayList(Class<E> t)  {
        this.clz = t;
   } 
   
   @Override
   public E get(int index)  {
        try  {
            while (index >= size())  {
               add(clz.newInstance());
           } 
        } catch (Exception e)  {
           e.printStackTrace();
       } 
       return super.get(index);
   }    

}